./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6dc52251d8599495e3d1910510992bf3863620ce75312360a12a1bf3bdfb6242 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:46:06,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:46:06,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:46:06,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:46:06,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:46:06,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:46:06,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:46:06,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:46:06,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:46:06,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:46:06,887 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:46:06,887 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:46:06,887 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:46:06,888 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:46:06,888 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:46:06,889 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:46:06,889 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:46:06,890 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:46:06,890 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:46:06,890 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:46:06,891 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:46:06,891 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:46:06,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:46:06,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:46:06,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:46:06,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:46:06,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:46:06,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:46:06,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:46:06,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:46:06,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:46:06,895 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:46:06,895 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:46:06,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:46:06,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:46:06,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:46:06,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:46:06,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:46:06,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:46:06,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:46:06,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:46:06,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:46:06,904 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:46:06,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:46:06,905 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:46:06,905 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:46:06,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:46:06,906 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dc52251d8599495e3d1910510992bf3863620ce75312360a12a1bf3bdfb6242 [2024-11-09 04:46:07,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:46:07,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:46:07,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:46:07,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:46:07,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:46:07,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec9_product33.cil.c Unable to find full path for "g++" [2024-11-09 04:46:09,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:46:09,627 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:46:09,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/sv-benchmarks/c/product-lines/email_spec9_product33.cil.c [2024-11-09 04:46:09,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/data/99b51d39d/a82c8d5ef8d44234be5bf89ed2205901/FLAG167867a17 [2024-11-09 04:46:09,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/data/99b51d39d/a82c8d5ef8d44234be5bf89ed2205901 [2024-11-09 04:46:09,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:46:09,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:46:09,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:09,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:46:09,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:46:09,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:09" (1/1) ... [2024-11-09 04:46:09,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75fb7941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:09, skipping insertion in model container [2024-11-09 04:46:09,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:09" (1/1) ... [2024-11-09 04:46:09,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:46:10,327 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_759846f4-a2ad-408c-bed6-8a182d6efe16/sv-benchmarks/c/product-lines/email_spec9_product33.cil.c[33566,33579] [2024-11-09 04:46:10,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:10,481 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:46:10,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-09 04:46:10,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [208] [2024-11-09 04:46:10,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [523] [2024-11-09 04:46:10,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [742] [2024-11-09 04:46:10,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [785] [2024-11-09 04:46:10,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1187] [2024-11-09 04:46:10,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1553] [2024-11-09 04:46:10,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1562] [2024-11-09 04:46:10,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1579] [2024-11-09 04:46:10,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1974] [2024-11-09 04:46:10,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3039] [2024-11-09 04:46:10,556 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_759846f4-a2ad-408c-bed6-8a182d6efe16/sv-benchmarks/c/product-lines/email_spec9_product33.cil.c[33566,33579] [2024-11-09 04:46:10,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:10,681 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:46:10,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10 WrapperNode [2024-11-09 04:46:10,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:10,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:10,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:46:10,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:46:10,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ... [2024-11-09 04:46:10,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ... [2024-11-09 04:46:10,797 INFO L138 Inliner]: procedures = 135, calls = 215, calls flagged for inlining = 66, calls inlined = 61, statements flattened = 1092 [2024-11-09 04:46:10,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:10,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:46:10,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:46:10,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:46:10,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ... [2024-11-09 04:46:10,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ... [2024-11-09 04:46:10,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ... [2024-11-09 04:46:10,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ... [2024-11-09 04:46:10,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ... [2024-11-09 04:46:10,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ... [2024-11-09 04:46:10,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ... [2024-11-09 04:46:10,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ... [2024-11-09 04:46:10,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:46:10,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:46:10,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:46:10,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:46:10,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (1/1) ... [2024-11-09 04:46:10,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:46:10,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:46:10,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:46:10,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:46:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 04:46:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 04:46:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 04:46:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 04:46:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 04:46:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 04:46:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 04:46:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 04:46:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 04:46:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 04:46:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 04:46:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 04:46:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 04:46:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 04:46:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 04:46:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 04:46:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 04:46:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 04:46:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 04:46:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 04:46:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 04:46:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 04:46:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-09 04:46:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-09 04:46:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 04:46:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 04:46:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:46:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 04:46:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 04:46:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 04:46:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 04:46:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 04:46:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 04:46:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 04:46:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 04:46:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 04:46:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 04:46:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 04:46:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 04:46:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 04:46:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 04:46:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 04:46:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 04:46:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 04:46:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 04:46:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 04:46:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 04:46:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:46:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 04:46:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 04:46:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:46:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:46:11,257 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:46:11,259 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:46:12,473 INFO L? ?]: Removed 503 outVars from TransFormulas that were not future-live. [2024-11-09 04:46:12,476 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:46:13,207 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:46:13,207 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:46:13,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:13 BoogieIcfgContainer [2024-11-09 04:46:13,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:46:13,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:46:13,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:46:13,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:46:13,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:46:09" (1/3) ... [2024-11-09 04:46:13,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da2a922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:13, skipping insertion in model container [2024-11-09 04:46:13,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:10" (2/3) ... [2024-11-09 04:46:13,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da2a922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:13, skipping insertion in model container [2024-11-09 04:46:13,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:13" (3/3) ... [2024-11-09 04:46:13,221 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product33.cil.c [2024-11-09 04:46:13,240 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:46:13,240 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:46:13,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:46:13,337 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;@1b3f24fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:46:13,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:46:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 123 states have (on average 1.3089430894308942) internal successors, (161), 127 states have internal predecessors, (161), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 04:46:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 04:46:13,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:13,359 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] [2024-11-09 04:46:13,359 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:13,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:13,368 INFO L85 PathProgramCache]: Analyzing trace with hash -510118452, now seen corresponding path program 1 times [2024-11-09 04:46:13,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:13,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369963193] [2024-11-09 04:46:13,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:13,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:13,833 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:13,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:13,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369963193] [2024-11-09 04:46:13,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369963193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:13,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:13,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:46:13,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161733634] [2024-11-09 04:46:13,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:13,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:46:13,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:13,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:46:13,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:46:13,874 INFO L87 Difference]: Start difference. First operand has 212 states, 123 states have (on average 1.3089430894308942) internal successors, (161), 127 states have internal predecessors, (161), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:46:14,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:14,036 INFO L93 Difference]: Finished difference Result 341 states and 452 transitions. [2024-11-09 04:46:14,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:46:14,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 64 [2024-11-09 04:46:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:14,058 INFO L225 Difference]: With dead ends: 341 [2024-11-09 04:46:14,059 INFO L226 Difference]: Without dead ends: 209 [2024-11-09 04:46:14,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:46:14,070 INFO L432 NwaCegarLoop]: 243 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, 243 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 [2024-11-09 04:46:14,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:46:14,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-09 04:46:14,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-09 04:46:14,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 121 states have (on average 1.28099173553719) internal successors, (155), 124 states have internal predecessors, (155), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 04:46:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 280 transitions. [2024-11-09 04:46:14,151 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 280 transitions. Word has length 64 [2024-11-09 04:46:14,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:14,155 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 280 transitions. [2024-11-09 04:46:14,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:46:14,156 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 280 transitions. [2024-11-09 04:46:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 04:46:14,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:14,161 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] [2024-11-09 04:46:14,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:46:14,162 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:14,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:14,163 INFO L85 PathProgramCache]: Analyzing trace with hash -811394074, now seen corresponding path program 1 times [2024-11-09 04:46:14,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:14,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682505402] [2024-11-09 04:46:14,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:14,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:14,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:14,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682505402] [2024-11-09 04:46:14,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682505402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:14,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:14,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:46:14,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199012216] [2024-11-09 04:46:14,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:14,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:46:14,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:14,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:46:14,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:46:14,516 INFO L87 Difference]: Start difference. First operand 209 states and 280 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:46:14,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:14,723 INFO L93 Difference]: Finished difference Result 337 states and 440 transitions. [2024-11-09 04:46:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:46:14,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 65 [2024-11-09 04:46:14,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:14,730 INFO L225 Difference]: With dead ends: 337 [2024-11-09 04:46:14,730 INFO L226 Difference]: Without dead ends: 211 [2024-11-09 04:46:14,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:46:14,734 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 0 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 479 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 [2024-11-09 04:46:14,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 479 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 04:46:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-09 04:46:14,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2024-11-09 04:46:14,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 123 states have (on average 1.2764227642276422) internal successors, (157), 126 states have internal predecessors, (157), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 04:46:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 282 transitions. [2024-11-09 04:46:14,772 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 282 transitions. Word has length 65 [2024-11-09 04:46:14,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:14,773 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 282 transitions. [2024-11-09 04:46:14,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:46:14,773 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2024-11-09 04:46:14,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 04:46:14,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:14,778 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] [2024-11-09 04:46:14,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:46:14,779 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:14,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:14,780 INFO L85 PathProgramCache]: Analyzing trace with hash 729138393, now seen corresponding path program 1 times [2024-11-09 04:46:14,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:14,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090047772] [2024-11-09 04:46:14,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:14,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:14,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:14,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090047772] [2024-11-09 04:46:14,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090047772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:14,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:14,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:46:14,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755010850] [2024-11-09 04:46:14,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:14,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:46:14,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:15,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:46:15,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:46:15,000 INFO L87 Difference]: Start difference. First operand 211 states and 282 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:46:15,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:15,172 INFO L93 Difference]: Finished difference Result 452 states and 623 transitions. [2024-11-09 04:46:15,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:46:15,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 70 [2024-11-09 04:46:15,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:15,179 INFO L225 Difference]: With dead ends: 452 [2024-11-09 04:46:15,179 INFO L226 Difference]: Without dead ends: 259 [2024-11-09 04:46:15,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:46:15,182 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 57 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 489 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 [2024-11-09 04:46:15,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 489 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:46:15,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-09 04:46:15,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 254. [2024-11-09 04:46:15,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 155 states have (on average 1.3548387096774193) internal successors, (210), 158 states have internal predecessors, (210), 74 states have call successors, (74), 24 states have call predecessors, (74), 24 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 04:46:15,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 357 transitions. [2024-11-09 04:46:15,228 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 357 transitions. Word has length 70 [2024-11-09 04:46:15,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:15,228 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 357 transitions. [2024-11-09 04:46:15,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:46:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 357 transitions. [2024-11-09 04:46:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 04:46:15,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:15,236 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] [2024-11-09 04:46:15,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:46:15,237 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:15,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:15,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1509492543, now seen corresponding path program 1 times [2024-11-09 04:46:15,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:15,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982700216] [2024-11-09 04:46:15,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:15,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:15,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:15,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982700216] [2024-11-09 04:46:15,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982700216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:46:15,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874775451] [2024-11-09 04:46:15,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:15,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:46:15,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:46:15,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:46:15,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:46:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:15,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:46:15,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:46:16,132 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:16,161 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:46:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:46:16,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874775451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:46:16,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [319568405] [2024-11-09 04:46:16,331 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 04:46:16,332 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:46:16,336 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:46:16,342 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:46:16,345 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:46:51,491 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 237 for LOIs [2024-11-09 04:46:51,777 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-09 04:46:51,897 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:47:54,229 WARN L286 SmtUtils]: Spent 10.64s on a formula simplification. DAG size of input: 468 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:48:07,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [319568405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:48:07,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:48:07,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 04:48:07,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483630104] [2024-11-09 04:48:07,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:48:07,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 04:48:07,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:48:07,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 04:48:07,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2024-11-09 04:48:07,011 INFO L87 Difference]: Start difference. First operand 254 states and 357 transitions. Second operand has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 04:48:20,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:48:20,122 INFO L93 Difference]: Finished difference Result 522 states and 750 transitions. [2024-11-09 04:48:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 04:48:20,123 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 71 [2024-11-09 04:48:20,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:48:20,126 INFO L225 Difference]: With dead ends: 522 [2024-11-09 04:48:20,126 INFO L226 Difference]: Without dead ends: 286 [2024-11-09 04:48:20,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 78.5s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-09 04:48:20,129 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 25 mSDsluCounter, 3001 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 2129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:48:20,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3221 Invalid, 2129 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2119 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-11-09 04:48:20,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-09 04:48:20,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 277. [2024-11-09 04:48:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 177 states have (on average 1.3728813559322033) internal successors, (243), 180 states have internal predecessors, (243), 74 states have call successors, (74), 25 states have call predecessors, (74), 25 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 04:48:20,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 390 transitions. [2024-11-09 04:48:20,199 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 390 transitions. Word has length 71 [2024-11-09 04:48:20,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:48:20,200 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 390 transitions. [2024-11-09 04:48:20,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 04:48:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 390 transitions. [2024-11-09 04:48:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 04:48:20,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:48:20,203 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] [2024-11-09 04:48:20,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:48:20,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:48:20,404 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:48:20,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:48:20,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1994966599, now seen corresponding path program 1 times [2024-11-09 04:48:20,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:48:20,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352309329] [2024-11-09 04:48:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:48:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:48:20,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:48:20,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352309329] [2024-11-09 04:48:20,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352309329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:48:20,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:48:20,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:48:20,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218805756] [2024-11-09 04:48:20,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:48:20,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:48:20,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:48:20,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:48:20,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:48:20,537 INFO L87 Difference]: Start difference. First operand 277 states and 390 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 04:48:20,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:48:20,742 INFO L93 Difference]: Finished difference Result 647 states and 944 transitions. [2024-11-09 04:48:20,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:48:20,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 76 [2024-11-09 04:48:20,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:48:20,747 INFO L225 Difference]: With dead ends: 647 [2024-11-09 04:48:20,748 INFO L226 Difference]: Without dead ends: 394 [2024-11-09 04:48:20,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:48:20,750 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 55 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 491 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 [2024-11-09 04:48:20,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 491 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:48:20,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-09 04:48:20,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 389. [2024-11-09 04:48:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 264 states have (on average 1.4356060606060606) internal successors, (379), 267 states have internal predecessors, (379), 99 states have call successors, (99), 25 states have call predecessors, (99), 25 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-09 04:48:20,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 576 transitions. [2024-11-09 04:48:20,871 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 576 transitions. Word has length 76 [2024-11-09 04:48:20,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:48:20,872 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 576 transitions. [2024-11-09 04:48:20,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 04:48:20,872 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 576 transitions. [2024-11-09 04:48:20,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 04:48:20,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:48:20,875 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] [2024-11-09 04:48:20,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:48:20,875 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:48:20,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:48:20,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1956285686, now seen corresponding path program 1 times [2024-11-09 04:48:20,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:48:20,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297420602] [2024-11-09 04:48:20,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:20,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:48:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:48:21,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:48:21,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297420602] [2024-11-09 04:48:21,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297420602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:48:21,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168867480] [2024-11-09 04:48:21,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:21,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:48:21,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:48:21,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:48:21,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 04:48:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:21,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:48:21,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:48:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:48:21,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:48:21,527 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 04:48:21,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168867480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:48:21,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [226392585] [2024-11-09 04:48:21,531 INFO L159 IcfgInterpreter]: Started Sifa with 64 locations of interest [2024-11-09 04:48:21,531 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:48:21,531 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:48:21,532 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:48:21,532 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:49:05,985 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 237 for LOIs [2024-11-09 04:49:06,221 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 452 for LOIs [2024-11-09 04:49:07,837 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:49:32,143 WARN L286 SmtUtils]: Spent 7.57s on a formula simplification. DAG size of input: 452 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:49:43,395 WARN L286 SmtUtils]: Spent 10.86s on a formula simplification. DAG size of input: 476 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:50:26,757 WARN L286 SmtUtils]: Spent 10.70s on a formula simplification. DAG size of input: 469 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:50:38,812 WARN L286 SmtUtils]: Spent 10.90s on a formula simplification. DAG size of input: 469 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:50:50,922 WARN L286 SmtUtils]: Spent 10.77s on a formula simplification. DAG size of input: 473 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:51:04,589 WARN L286 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 473 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:51:16,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [226392585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:51:16,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:51:16,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 04:51:16,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984083604] [2024-11-09 04:51:16,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:51:16,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 04:51:16,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:51:16,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 04:51:16,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2024-11-09 04:51:16,104 INFO L87 Difference]: Start difference. First operand 389 states and 576 transitions. Second operand has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-09 04:51:41,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:51:41,973 INFO L93 Difference]: Finished difference Result 786 states and 1191 transitions. [2024-11-09 04:51:41,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 04:51:41,976 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 77 [2024-11-09 04:51:41,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:51:41,979 INFO L225 Difference]: With dead ends: 786 [2024-11-09 04:51:41,979 INFO L226 Difference]: Without dead ends: 460 [2024-11-09 04:51:41,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 140.3s TimeCoverageRelationStatistics Valid=123, Invalid=1067, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 04:51:41,982 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 64 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 2646 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 3225 SdHoareTripleChecker+Invalid, 2657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:51:41,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 3225 Invalid, 2657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 2646 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2024-11-09 04:51:41,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-09 04:51:42,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 403. [2024-11-09 04:51:42,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 276 states have (on average 1.434782608695652) internal successors, (396), 279 states have internal predecessors, (396), 100 states have call successors, (100), 26 states have call predecessors, (100), 26 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-09 04:51:42,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 595 transitions. [2024-11-09 04:51:42,103 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 595 transitions. Word has length 77 [2024-11-09 04:51:42,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:51:42,104 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 595 transitions. [2024-11-09 04:51:42,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-09 04:51:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 595 transitions. [2024-11-09 04:51:42,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 04:51:42,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:51:42,107 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] [2024-11-09 04:51:42,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 04:51:42,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:51:42,311 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:51:42,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:51:42,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1252215497, now seen corresponding path program 1 times [2024-11-09 04:51:42,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:51:42,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84846905] [2024-11-09 04:51:42,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:42,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:51:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:51:42,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:51:42,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84846905] [2024-11-09 04:51:42,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84846905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:51:42,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950127937] [2024-11-09 04:51:42,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:42,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:51:42,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:51:42,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:51:42,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 04:51:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:42,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:51:42,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:42,931 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:51:42,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:51:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:51:43,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950127937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:51:43,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1043720747] [2024-11-09 04:51:43,014 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2024-11-09 04:51:43,014 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:51:43,014 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:51:43,015 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:51:43,015 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:52:46,851 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 237 for LOIs [2024-11-09 04:52:47,010 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 498 for LOIs [2024-11-09 04:52:48,080 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 507 for LOIs [2024-11-09 04:52:49,112 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 443 for LOIs [2024-11-09 04:52:49,423 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-09 04:52:49,541 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:53:53,456 WARN L286 SmtUtils]: Spent 13.47s on a formula simplification. DAG size of input: 527 DAG size of output: 522 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:54:07,636 WARN L286 SmtUtils]: Spent 13.36s on a formula simplification. DAG size of input: 527 DAG size of output: 522 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:54:28,975 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 508 DAG size of output: 508 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:54:35,250 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 513 DAG size of output: 509 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:54:41,414 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 507 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:54:47,567 WARN L286 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 507 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:54:53,537 WARN L286 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 503 DAG size of output: 499 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:54:59,434 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 498 DAG size of output: 494 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:55:05,300 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 498 DAG size of output: 494 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:55:11,101 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 494 DAG size of output: 490 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:55:11,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1043720747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:55:11,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:55:11,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 04:55:11,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362185687] [2024-11-09 04:55:11,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:55:11,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 04:55:11,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:55:11,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 04:55:11,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 04:55:11,108 INFO L87 Difference]: Start difference. First operand 403 states and 595 transitions. Second operand has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2024-11-09 04:55:36,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:55:36,572 INFO L93 Difference]: Finished difference Result 811 states and 1226 transitions. [2024-11-09 04:55:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 04:55:36,573 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) Word has length 80 [2024-11-09 04:55:36,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:55:36,577 INFO L225 Difference]: With dead ends: 811 [2024-11-09 04:55:36,577 INFO L226 Difference]: Without dead ends: 485 [2024-11-09 04:55:36,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 145.0s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 04:55:36,579 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 50 mSDsluCounter, 3822 mSDsCounter, 0 mSdLazyCounter, 3940 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 4040 SdHoareTripleChecker+Invalid, 3950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:55:36,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 4040 Invalid, 3950 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3940 Invalid, 0 Unknown, 0 Unchecked, 21.6s Time] [2024-11-09 04:55:36,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-09 04:55:36,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 439. [2024-11-09 04:55:36,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 306 states have (on average 1.4313725490196079) internal successors, (438), 309 states have internal predecessors, (438), 103 states have call successors, (103), 29 states have call predecessors, (103), 29 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 04:55:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 643 transitions. [2024-11-09 04:55:36,730 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 643 transitions. Word has length 80 [2024-11-09 04:55:36,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:55:36,731 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 643 transitions. [2024-11-09 04:55:36,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2024-11-09 04:55:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 643 transitions. [2024-11-09 04:55:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 04:55:36,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:55:36,734 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] [2024-11-09 04:55:36,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 04:55:36,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:55:36,935 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:55:36,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:55:36,935 INFO L85 PathProgramCache]: Analyzing trace with hash -887101784, now seen corresponding path program 1 times [2024-11-09 04:55:36,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:55:36,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444945434] [2024-11-09 04:55:36,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:36,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:55:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:55:37,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:55:37,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444945434] [2024-11-09 04:55:37,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444945434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:55:37,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154875785] [2024-11-09 04:55:37,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:55:37,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:55:37,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:55:37,064 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:55:37,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 04:55:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:37,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:55:37,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:55:37,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:55:37,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 04:55:37,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154875785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:55:37,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1557396414] [2024-11-09 04:55:37,541 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-09 04:55:37,542 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:55:37,542 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:55:37,542 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:55:37,542 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:56:22,159 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 237 for LOIs [2024-11-09 04:56:22,331 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-09 04:56:22,446 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:57:24,403 WARN L286 SmtUtils]: Spent 11.03s on a formula simplification. DAG size of input: 468 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:57:36,655 WARN L286 SmtUtils]: Spent 11.12s on a formula simplification. DAG size of input: 468 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:57:48,973 WARN L286 SmtUtils]: Spent 10.90s on a formula simplification. DAG size of input: 472 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:58:02,405 WARN L286 SmtUtils]: Spent 10.92s on a formula simplification. DAG size of input: 472 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:58:20,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1557396414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:58:20,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:58:20,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2024-11-09 04:58:20,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870628904] [2024-11-09 04:58:20,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:58:20,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 04:58:20,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:58:20,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 04:58:20,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=949, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 04:58:20,586 INFO L87 Difference]: Start difference. First operand 439 states and 643 transitions. Second operand has 28 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 04:58:53,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:58:53,095 INFO L93 Difference]: Finished difference Result 813 states and 1217 transitions. [2024-11-09 04:58:53,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 04:58:53,095 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 79 [2024-11-09 04:58:53,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:58:53,100 INFO L225 Difference]: With dead ends: 813 [2024-11-09 04:58:53,100 INFO L226 Difference]: Without dead ends: 487 [2024-11-09 04:58:53,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 205 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 140.6s TimeCoverageRelationStatistics Valid=140, Invalid=1266, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 04:58:53,102 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 42 mSDsluCounter, 2625 mSDsCounter, 0 mSdLazyCounter, 2152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 2841 SdHoareTripleChecker+Invalid, 2162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:58:53,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 2841 Invalid, 2162 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2152 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-11-09 04:58:53,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-09 04:58:53,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 459. [2024-11-09 04:58:53,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 326 states have (on average 1.4355828220858895) internal successors, (468), 329 states have internal predecessors, (468), 103 states have call successors, (103), 29 states have call predecessors, (103), 29 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 04:58:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 673 transitions. [2024-11-09 04:58:53,255 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 673 transitions. Word has length 79 [2024-11-09 04:58:53,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:58:53,256 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 673 transitions. [2024-11-09 04:58:53,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 04:58:53,257 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 673 transitions. [2024-11-09 04:58:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 04:58:53,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:58:53,259 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] [2024-11-09 04:58:53,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 04:58:53,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:58:53,460 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:58:53,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:58:53,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1426356558, now seen corresponding path program 1 times [2024-11-09 04:58:53,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:58:53,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762890925] [2024-11-09 04:58:53,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:53,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:58:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:53,677 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 04:58:53,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:58:53,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762890925] [2024-11-09 04:58:53,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762890925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:58:53,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:58:53,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:58:53,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900757219] [2024-11-09 04:58:53,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:58:53,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:58:53,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:58:53,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:58:53,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:58:53,681 INFO L87 Difference]: Start difference. First operand 459 states and 673 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 04:58:54,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:58:54,026 INFO L93 Difference]: Finished difference Result 613 states and 858 transitions. [2024-11-09 04:58:54,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:58:54,027 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 82 [2024-11-09 04:58:54,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:58:54,031 INFO L225 Difference]: With dead ends: 613 [2024-11-09 04:58:54,031 INFO L226 Difference]: Without dead ends: 489 [2024-11-09 04:58:54,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:58:54,033 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 123 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:58:54,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 357 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:58:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-09 04:58:54,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-11-09 04:58:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 342 states have (on average 1.4152046783625731) internal successors, (484), 345 states have internal predecessors, (484), 109 states have call successors, (109), 38 states have call predecessors, (109), 37 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-09 04:58:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 701 transitions. [2024-11-09 04:58:54,222 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 701 transitions. Word has length 82 [2024-11-09 04:58:54,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:58:54,222 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 701 transitions. [2024-11-09 04:58:54,223 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 04:58:54,223 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 701 transitions. [2024-11-09 04:58:54,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 04:58:54,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:58:54,226 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:58:54,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 04:58:54,227 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:58:54,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:58:54,227 INFO L85 PathProgramCache]: Analyzing trace with hash -2051446796, now seen corresponding path program 1 times [2024-11-09 04:58:54,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:58:54,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656184489] [2024-11-09 04:58:54,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:54,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:58:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-09 04:58:54,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:58:54,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656184489] [2024-11-09 04:58:54,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656184489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:58:54,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:58:54,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:58:54,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721506876] [2024-11-09 04:58:54,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:58:54,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:58:54,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:58:54,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:58:54,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:58:54,633 INFO L87 Difference]: Start difference. First operand 489 states and 701 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 04:58:55,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:58:55,603 INFO L93 Difference]: Finished difference Result 727 states and 993 transitions. [2024-11-09 04:58:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:58:55,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 137 [2024-11-09 04:58:55,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:58:55,607 INFO L225 Difference]: With dead ends: 727 [2024-11-09 04:58:55,607 INFO L226 Difference]: Without dead ends: 535 [2024-11-09 04:58:55,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:58:55,609 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 251 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:58:55,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 613 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 04:58:55,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-09 04:58:55,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 532. [2024-11-09 04:58:55,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 364 states have (on average 1.3873626373626373) internal successors, (505), 368 states have internal predecessors, (505), 118 states have call successors, (118), 50 states have call predecessors, (118), 49 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-09 04:58:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 740 transitions. [2024-11-09 04:58:55,871 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 740 transitions. Word has length 137 [2024-11-09 04:58:55,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:58:55,872 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 740 transitions. [2024-11-09 04:58:55,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 04:58:55,872 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 740 transitions. [2024-11-09 04:58:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-09 04:58:55,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:58:55,876 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:58:55,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 04:58:55,876 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:58:55,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:58:55,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2070484253, now seen corresponding path program 1 times [2024-11-09 04:58:55,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:58:55,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624518345] [2024-11-09 04:58:55,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:55,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:58:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-09 04:58:56,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:58:56,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624518345] [2024-11-09 04:58:56,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624518345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:58:56,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936835336] [2024-11-09 04:58:56,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:56,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:58:56,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:58:56,877 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:58:56,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_759846f4-a2ad-408c-bed6-8a182d6efe16/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 04:58:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:57,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 1287 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:58:57,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:58:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-09 04:58:57,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:58:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 04:58:57,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936835336] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:58:57,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1726757261] [2024-11-09 04:58:57,733 INFO L159 IcfgInterpreter]: Started Sifa with 100 locations of interest [2024-11-09 04:58:57,735 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:58:57,736 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:58:57,736 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:58:57,736 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:59:43,501 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 237 for LOIs [2024-11-09 04:59:43,669 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 454 for LOIs [2024-11-09 04:59:45,085 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:00:11,289 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification. DAG size of input: 454 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:00:23,596 WARN L286 SmtUtils]: Spent 11.53s on a formula simplification. DAG size of input: 478 DAG size of output: 474 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)