./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product31.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_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/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_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/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_0785ac95-8d19-4975-acd0-a0ea8b1e9013/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 28cb2c1915c61c386f3394fd53d16960f7cb856128220666f501d4f4a00b7894 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:38:34,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:38:34,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:38:34,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:38:34,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:38:34,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:38:34,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:38:34,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:38:34,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:38:34,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:38:34,594 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:38:34,595 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:38:34,595 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:38:34,595 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:38:34,596 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:38:34,596 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:38:34,597 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:38:34,597 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:38:34,598 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:38:34,598 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:38:34,599 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:38:34,599 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:38:34,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:38:34,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:38:34,601 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:38:34,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:38:34,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:38:34,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:38:34,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:38:34,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:38:34,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:38:34,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:38:34,604 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:38:34,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:38:34,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:38:34,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:38:34,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:38:34,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:38:34,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:38:34,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:38:34,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:38:34,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:38:34,607 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:38:34,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:38:34,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:38:34,608 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:38:34,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:38:34,609 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_0785ac95-8d19-4975-acd0-a0ea8b1e9013/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28cb2c1915c61c386f3394fd53d16960f7cb856128220666f501d4f4a00b7894 [2024-11-09 05:38:34,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:38:34,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:38:34,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:38:34,916 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:38:34,917 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:38:34,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec9_product31.cil.c Unable to find full path for "g++" [2024-11-09 05:38:37,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:38:37,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:38:37,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/sv-benchmarks/c/product-lines/email_spec9_product31.cil.c [2024-11-09 05:38:37,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/data/b685e228d/1cfc3a7377c941d6af1c944c625b79e0/FLAG700b54313 [2024-11-09 05:38:37,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/data/b685e228d/1cfc3a7377c941d6af1c944c625b79e0 [2024-11-09 05:38:37,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:38:37,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:38:37,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:38:37,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:38:37,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:38:37,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:38:37" (1/1) ... [2024-11-09 05:38:37,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16bcb004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:37, skipping insertion in model container [2024-11-09 05:38:37,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:38:37" (1/1) ... [2024-11-09 05:38:37,727 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:38:38,407 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_0785ac95-8d19-4975-acd0-a0ea8b1e9013/sv-benchmarks/c/product-lines/email_spec9_product31.cil.c[56976,56989] [2024-11-09 05:38:38,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:38:38,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:38:38,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-11-09 05:38:38,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [66] [2024-11-09 05:38:38,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [115] [2024-11-09 05:38:38,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [527] [2024-11-09 05:38:38,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [752] [2024-11-09 05:38:38,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1118] [2024-11-09 05:38:38,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2198] [2024-11-09 05:38:38,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2565] [2024-11-09 05:38:38,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2574] [2024-11-09 05:38:38,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [2849] [2024-11-09 05:38:38,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2891] [2024-11-09 05:38:38,608 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/sv-benchmarks/c/product-lines/email_spec9_product31.cil.c[56976,56989] [2024-11-09 05:38:38,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:38:38,660 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:38:38,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38 WrapperNode [2024-11-09 05:38:38,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:38:38,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:38:38,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:38:38,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:38:38,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,753 INFO L138 Inliner]: procedures = 132, calls = 207, calls flagged for inlining = 62, calls inlined = 57, statements flattened = 1042 [2024-11-09 05:38:38,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:38:38,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:38:38,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:38:38,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:38:38,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:38:38,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:38:38,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:38:38,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:38:38,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (1/1) ... [2024-11-09 05:38:38,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:38:38,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:38:38,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:38:38,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:38:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 05:38:38,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 05:38:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 05:38:38,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 05:38:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 05:38:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 05:38:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 05:38:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 05:38:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 05:38:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 05:38:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 05:38:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 05:38:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 05:38:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 05:38:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 05:38:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 05:38:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 05:38:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 05:38:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 05:38:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 05:38:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 05:38:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 05:38:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 05:38:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 05:38:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:38:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 05:38:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 05:38:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 05:38:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 05:38:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 05:38:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 05:38:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 05:38:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 05:38:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 05:38:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 05:38:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 05:38:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 05:38:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 05:38:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 05:38:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 05:38:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 05:38:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 05:38:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 05:38:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 05:38:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 05:38:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:38:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 05:38:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 05:38:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:38:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:38:39,168 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:38:39,170 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:38:40,217 INFO L? ?]: Removed 479 outVars from TransFormulas that were not future-live. [2024-11-09 05:38:40,217 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:38:40,870 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:38:40,870 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:38:40,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:38:40 BoogieIcfgContainer [2024-11-09 05:38:40,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:38:40,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:38:40,875 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:38:40,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:38:40,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:38:37" (1/3) ... [2024-11-09 05:38:40,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed5cc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:38:40, skipping insertion in model container [2024-11-09 05:38:40,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:38" (2/3) ... [2024-11-09 05:38:40,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed5cc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:38:40, skipping insertion in model container [2024-11-09 05:38:40,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:38:40" (3/3) ... [2024-11-09 05:38:40,884 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product31.cil.c [2024-11-09 05:38:40,904 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:38:40,905 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:38:40,993 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:38:41,000 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;@67624690, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:38:41,000 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:38:41,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 201 states, 117 states have (on average 1.3162393162393162) internal successors, (154), 121 states have internal predecessors, (154), 59 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-09 05:38:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 05:38:41,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:41,022 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 05:38:41,023 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:41,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:41,030 INFO L85 PathProgramCache]: Analyzing trace with hash 148971189, now seen corresponding path program 1 times [2024-11-09 05:38:41,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:41,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80966128] [2024-11-09 05:38:41,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:41,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:41,516 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 05:38:41,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:41,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80966128] [2024-11-09 05:38:41,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80966128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:41,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:41,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:38:41,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886165912] [2024-11-09 05:38:41,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:41,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:38:41,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:41,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:38:41,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:38:41,563 INFO L87 Difference]: Start difference. First operand has 201 states, 117 states have (on average 1.3162393162393162) internal successors, (154), 121 states have internal predecessors, (154), 59 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) 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 05:38:41,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:41,743 INFO L93 Difference]: Finished difference Result 319 states and 422 transitions. [2024-11-09 05:38:41,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:38:41,749 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 05:38:41,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:41,763 INFO L225 Difference]: With dead ends: 319 [2024-11-09 05:38:41,763 INFO L226 Difference]: Without dead ends: 198 [2024-11-09 05:38:41,768 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 05:38:41,773 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:41,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:38:41,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-09 05:38:41,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-09 05:38:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 115 states have (on average 1.2869565217391303) internal successors, (148), 118 states have internal predecessors, (148), 59 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-09 05:38:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 265 transitions. [2024-11-09 05:38:41,885 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 265 transitions. Word has length 64 [2024-11-09 05:38:41,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:41,887 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 265 transitions. [2024-11-09 05:38:41,887 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 05:38:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 265 transitions. [2024-11-09 05:38:41,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 05:38:41,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:41,892 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 05:38:41,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:38:41,893 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:41,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:41,894 INFO L85 PathProgramCache]: Analyzing trace with hash 2127708470, now seen corresponding path program 1 times [2024-11-09 05:38:41,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:41,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644321908] [2024-11-09 05:38:41,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:42,228 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 05:38:42,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:42,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644321908] [2024-11-09 05:38:42,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644321908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:42,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:42,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:38:42,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641076378] [2024-11-09 05:38:42,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:42,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:38:42,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:42,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:38:42,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:38:42,238 INFO L87 Difference]: Start difference. First operand 198 states and 265 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 05:38:42,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:42,427 INFO L93 Difference]: Finished difference Result 315 states and 410 transitions. [2024-11-09 05:38:42,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:38:42,427 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 05:38:42,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:42,430 INFO L225 Difference]: With dead ends: 315 [2024-11-09 05:38:42,430 INFO L226 Difference]: Without dead ends: 200 [2024-11-09 05:38:42,435 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 05:38:42,436 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 0 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:42,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 455 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:38:42,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-09 05:38:42,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-11-09 05:38:42,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 117 states have (on average 1.2820512820512822) internal successors, (150), 120 states have internal predecessors, (150), 59 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-09 05:38:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 267 transitions. [2024-11-09 05:38:42,477 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 267 transitions. Word has length 65 [2024-11-09 05:38:42,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:42,477 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 267 transitions. [2024-11-09 05:38:42,477 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 05:38:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 267 transitions. [2024-11-09 05:38:42,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 05:38:42,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:42,480 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 05:38:42,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:38:42,481 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:42,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:42,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1308006889, now seen corresponding path program 1 times [2024-11-09 05:38:42,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:42,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106276610] [2024-11-09 05:38:42,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:42,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:42,655 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 05:38:42,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:42,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106276610] [2024-11-09 05:38:42,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106276610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:42,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:42,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:38:42,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218074727] [2024-11-09 05:38:42,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:42,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:38:42,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:42,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:38:42,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:38:42,659 INFO L87 Difference]: Start difference. First operand 200 states and 267 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 05:38:42,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:42,829 INFO L93 Difference]: Finished difference Result 430 states and 593 transitions. [2024-11-09 05:38:42,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:38:42,831 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 05:38:42,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:42,834 INFO L225 Difference]: With dead ends: 430 [2024-11-09 05:38:42,834 INFO L226 Difference]: Without dead ends: 248 [2024-11-09 05:38:42,839 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 05:38:42,840 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 57 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:42,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 458 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:38:42,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-09 05:38:42,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 243. [2024-11-09 05:38:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 149 states have (on average 1.3624161073825503) internal successors, (203), 152 states have internal predecessors, (203), 70 states have call successors, (70), 23 states have call predecessors, (70), 23 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-09 05:38:42,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 342 transitions. [2024-11-09 05:38:42,880 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 342 transitions. Word has length 70 [2024-11-09 05:38:42,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:42,882 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 342 transitions. [2024-11-09 05:38:42,883 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 05:38:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 342 transitions. [2024-11-09 05:38:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 05:38:42,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:42,889 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 05:38:42,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:38:42,889 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:38:42,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:42,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1529739809, now seen corresponding path program 1 times [2024-11-09 05:38:42,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:42,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701511589] [2024-11-09 05:38:42,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:42,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:43,204 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 05:38:43,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:43,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701511589] [2024-11-09 05:38:43,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701511589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:38:43,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705186718] [2024-11-09 05:38:43,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:43,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:38:43,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:38:43,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:38:43,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:38:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:43,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:38:43,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:38:43,765 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 05:38:43,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:38:43,885 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:38:43,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705186718] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:38:43,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [531686583] [2024-11-09 05:38:43,915 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 05:38:43,915 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:38:43,919 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:38:43,925 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:38:43,925 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:39:17,515 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2024-11-09 05:39:17,738 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-09 05:39:17,952 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:40:20,391 WARN L286 SmtUtils]: Spent 10.95s on a formula simplification. DAG size of input: 467 DAG size of output: 467 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:40:33,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [531686583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:33,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:40:33,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 05:40:33,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934883538] [2024-11-09 05:40:33,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:33,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:40:33,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:33,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:40:33,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:40:33,977 INFO L87 Difference]: Start difference. First operand 243 states and 342 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 05:40:40,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:40,813 INFO L93 Difference]: Finished difference Result 500 states and 720 transitions. [2024-11-09 05:40:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 05:40:40,814 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 05:40:40,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:40,816 INFO L225 Difference]: With dead ends: 500 [2024-11-09 05:40:40,816 INFO L226 Difference]: Without dead ends: 275 [2024-11-09 05:40:40,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 187 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 76.0s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:40:40,818 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 25 mSDsluCounter, 2753 mSDsCounter, 0 mSdLazyCounter, 1617 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2960 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:40,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2960 Invalid, 1626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1617 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-09 05:40:40,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-09 05:40:40,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 266. [2024-11-09 05:40:40,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 171 states have (on average 1.3801169590643274) internal successors, (236), 174 states have internal predecessors, (236), 70 states have call successors, (70), 24 states have call predecessors, (70), 24 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-09 05:40:40,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 375 transitions. [2024-11-09 05:40:40,907 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 375 transitions. Word has length 71 [2024-11-09 05:40:40,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:40,907 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 375 transitions. [2024-11-09 05:40:40,908 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 05:40:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 375 transitions. [2024-11-09 05:40:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 05:40:40,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:40,910 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 05:40:40,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:40:41,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:40:41,115 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:40:41,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:41,116 INFO L85 PathProgramCache]: Analyzing trace with hash 776177268, now seen corresponding path program 1 times [2024-11-09 05:40:41,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:41,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805654900] [2024-11-09 05:40:41,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:41,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:41,227 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 05:40:41,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:41,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805654900] [2024-11-09 05:40:41,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805654900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:40:41,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:40:41,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:40:41,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731412825] [2024-11-09 05:40:41,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:40:41,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:40:41,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:40:41,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:40:41,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:40:41,232 INFO L87 Difference]: Start difference. First operand 266 states and 375 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 05:40:41,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:40:41,430 INFO L93 Difference]: Finished difference Result 625 states and 914 transitions. [2024-11-09 05:40:41,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:40:41,431 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 05:40:41,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:40:41,434 INFO L225 Difference]: With dead ends: 625 [2024-11-09 05:40:41,434 INFO L226 Difference]: Without dead ends: 383 [2024-11-09 05:40:41,435 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 05:40:41,436 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 55 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:40:41,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 457 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:40:41,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-09 05:40:41,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 378. [2024-11-09 05:40:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 258 states have (on average 1.441860465116279) internal successors, (372), 261 states have internal predecessors, (372), 95 states have call successors, (95), 24 states have call predecessors, (95), 24 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-09 05:40:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 561 transitions. [2024-11-09 05:40:41,532 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 561 transitions. Word has length 76 [2024-11-09 05:40:41,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:40:41,532 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 561 transitions. [2024-11-09 05:40:41,532 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 05:40:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 561 transitions. [2024-11-09 05:40:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 05:40:41,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:40:41,535 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 05:40:41,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:40:41,535 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:40:41,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:40:41,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1021229531, now seen corresponding path program 1 times [2024-11-09 05:40:41,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:40:41,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275474153] [2024-11-09 05:40:41,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:41,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:40:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:41,680 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 05:40:41,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:40:41,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275474153] [2024-11-09 05:40:41,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275474153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:40:41,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025281484] [2024-11-09 05:40:41,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:40:41,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:40:41,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:40:41,683 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:40:41,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:40:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:40:42,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:40:42,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:40:42,063 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 05:40:42,063 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:40:42,146 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 05:40:42,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025281484] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:40:42,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [188096795] [2024-11-09 05:40:42,150 INFO L159 IcfgInterpreter]: Started Sifa with 64 locations of interest [2024-11-09 05:40:42,150 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:40:42,151 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:40:42,151 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:40:42,151 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:41:25,197 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2024-11-09 05:41:25,399 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 226 for LOIs [2024-11-09 05:41:25,537 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:42:27,779 WARN L286 SmtUtils]: Spent 10.83s 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 05:42:54,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [188096795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:54,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:42:54,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 05:42:54,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077253890] [2024-11-09 05:42:54,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:54,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:42:54,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:54,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:42:54,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:42:54,350 INFO L87 Difference]: Start difference. First operand 378 states and 561 transitions. Second operand has 26 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 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 05:43:03,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:03,335 INFO L93 Difference]: Finished difference Result 764 states and 1161 transitions. [2024-11-09 05:43:03,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 05:43:03,336 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 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 05:43:03,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:03,339 INFO L225 Difference]: With dead ends: 764 [2024-11-09 05:43:03,339 INFO L226 Difference]: Without dead ends: 449 [2024-11-09 05:43:03,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 202 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 88.8s TimeCoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:43:03,342 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 61 mSDsluCounter, 3588 mSDsCounter, 0 mSdLazyCounter, 2202 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 3795 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:03,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 3795 Invalid, 2210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2202 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2024-11-09 05:43:03,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-09 05:43:03,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 392. [2024-11-09 05:43:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 270 states have (on average 1.4407407407407407) internal successors, (389), 273 states have internal predecessors, (389), 96 states have call successors, (96), 25 states have call predecessors, (96), 25 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-09 05:43:03,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 580 transitions. [2024-11-09 05:43:03,452 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 580 transitions. Word has length 77 [2024-11-09 05:43:03,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:03,453 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 580 transitions. [2024-11-09 05:43:03,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 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 05:43:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 580 transitions. [2024-11-09 05:43:03,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 05:43:03,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:03,456 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 05:43:03,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:43:03,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:43:03,657 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:43:03,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:03,657 INFO L85 PathProgramCache]: Analyzing trace with hash -375006220, now seen corresponding path program 1 times [2024-11-09 05:43:03,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:03,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481103225] [2024-11-09 05:43:03,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:03,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:03,840 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 05:43:03,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:03,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481103225] [2024-11-09 05:43:03,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481103225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:43:03,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413898057] [2024-11-09 05:43:03,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:03,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:43:03,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:43:03,843 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:43:03,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:43:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:04,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:43:04,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:04,270 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 05:43:04,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:43:04,345 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 05:43:04,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413898057] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:43:04,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [926063465] [2024-11-09 05:43:04,349 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2024-11-09 05:43:04,349 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:43:04,349 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:43:04,349 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:43:04,350 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:44:24,836 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2024-11-09 05:44:24,958 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 498 for LOIs [2024-11-09 05:44:26,007 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 507 for LOIs [2024-11-09 05:44:27,183 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 443 for LOIs [2024-11-09 05:44:27,603 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-09 05:44:27,725 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:45:33,278 WARN L286 SmtUtils]: Spent 13.87s 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 05:45:40,149 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 529 DAG size of output: 520 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:46:02,252 WARN L286 SmtUtils]: Spent 5.66s 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 05:46:09,044 WARN L286 SmtUtils]: Spent 6.11s 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 05:46:15,281 WARN L286 SmtUtils]: Spent 5.74s 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 05:46:21,418 WARN L286 SmtUtils]: Spent 5.65s 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 05:46:27,814 WARN L286 SmtUtils]: Spent 5.83s 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 05:46:33,943 WARN L286 SmtUtils]: Spent 5.58s 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 05:46:40,043 WARN L286 SmtUtils]: Spent 5.56s 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 05:46:46,186 WARN L286 SmtUtils]: Spent 5.49s 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 05:46:46,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [926063465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:46,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:46:46,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 05:46:46,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256615328] [2024-11-09 05:46:46,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:46,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:46:46,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:46,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:46:46,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:46:46,567 INFO L87 Difference]: Start difference. First operand 392 states and 580 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 05:47:05,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:05,706 INFO L93 Difference]: Finished difference Result 789 states and 1196 transitions. [2024-11-09 05:47:05,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 05:47:05,706 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 05:47:05,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:05,709 INFO L225 Difference]: With dead ends: 789 [2024-11-09 05:47:05,710 INFO L226 Difference]: Without dead ends: 474 [2024-11-09 05:47:05,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 204 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 138.8s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:47:05,712 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 75 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 3380 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 3941 SdHoareTripleChecker+Invalid, 3389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:05,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 3941 Invalid, 3389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3380 Invalid, 0 Unknown, 0 Unchecked, 18.8s Time] [2024-11-09 05:47:05,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-09 05:47:05,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 428. [2024-11-09 05:47:05,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 300 states have (on average 1.4366666666666668) internal successors, (431), 303 states have internal predecessors, (431), 99 states have call successors, (99), 28 states have call predecessors, (99), 28 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-09 05:47:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 628 transitions. [2024-11-09 05:47:05,844 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 628 transitions. Word has length 80 [2024-11-09 05:47:05,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:05,844 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 628 transitions. [2024-11-09 05:47:05,845 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 05:47:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 628 transitions. [2024-11-09 05:47:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 05:47:05,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:05,847 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 05:47:05,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:47:06,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:06,048 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:47:06,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:06,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1214231611, now seen corresponding path program 1 times [2024-11-09 05:47:06,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:06,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027937608] [2024-11-09 05:47:06,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:06,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:06,223 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 05:47:06,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:06,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027937608] [2024-11-09 05:47:06,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027937608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:06,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377578502] [2024-11-09 05:47:06,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:06,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:06,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:06,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:06,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:47:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:06,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:47:06,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:06,619 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 05:47:06,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:47:06,707 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 05:47:06,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377578502] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:47:06,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [138877484] [2024-11-09 05:47:06,712 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-09 05:47:06,712 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:47:06,713 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:47:06,713 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:47:06,714 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:47:47,230 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2024-11-09 05:47:47,351 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2024-11-09 05:47:47,472 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:50,200 WARN L286 SmtUtils]: Spent 10.93s 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 05:49:24,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [138877484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:24,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:49:24,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 05:49:24,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845922462] [2024-11-09 05:49:24,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:24,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 05:49:24,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:24,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 05:49:24,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:49:24,366 INFO L87 Difference]: Start difference. First operand 428 states and 628 transitions. Second operand has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 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 05:49:34,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:34,580 INFO L93 Difference]: Finished difference Result 791 states and 1187 transitions. [2024-11-09 05:49:34,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 05:49:34,581 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 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 05:49:34,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:34,584 INFO L225 Difference]: With dead ends: 791 [2024-11-09 05:49:34,584 INFO L226 Difference]: Without dead ends: 476 [2024-11-09 05:49:34,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 207 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 96.9s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:49:34,587 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 17 mSDsluCounter, 3376 mSDsCounter, 0 mSdLazyCounter, 2328 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3577 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:34,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3577 Invalid, 2336 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2328 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-09 05:49:34,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-09 05:49:34,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 448. [2024-11-09 05:49:34,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 320 states have (on average 1.440625) internal successors, (461), 323 states have internal predecessors, (461), 99 states have call successors, (99), 28 states have call predecessors, (99), 28 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-09 05:49:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 658 transitions. [2024-11-09 05:49:34,742 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 658 transitions. Word has length 79 [2024-11-09 05:49:34,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:34,743 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 658 transitions. [2024-11-09 05:49:34,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 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 05:49:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 658 transitions. [2024-11-09 05:49:34,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 05:49:34,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:34,746 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 05:49:34,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:49:34,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:49:34,946 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:34,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:34,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1509399721, now seen corresponding path program 1 times [2024-11-09 05:49:34,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:34,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868171968] [2024-11-09 05:49:34,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:34,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:35,162 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 05:49:35,163 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:35,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868171968] [2024-11-09 05:49:35,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868171968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:35,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:35,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:49:35,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556928908] [2024-11-09 05:49:35,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:35,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:49:35,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:35,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:49:35,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:49:35,166 INFO L87 Difference]: Start difference. First operand 448 states and 658 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 05:49:35,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:35,479 INFO L93 Difference]: Finished difference Result 591 states and 828 transitions. [2024-11-09 05:49:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:49:35,479 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 05:49:35,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:35,482 INFO L225 Difference]: With dead ends: 591 [2024-11-09 05:49:35,483 INFO L226 Difference]: Without dead ends: 478 [2024-11-09 05:49:35,484 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 05:49:35,484 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 123 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:35,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 332 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:49:35,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-09 05:49:35,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2024-11-09 05:49:35,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 336 states have (on average 1.4196428571428572) internal successors, (477), 339 states have internal predecessors, (477), 105 states have call successors, (105), 37 states have call predecessors, (105), 36 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 05:49:35,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 686 transitions. [2024-11-09 05:49:35,696 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 686 transitions. Word has length 82 [2024-11-09 05:49:35,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:35,697 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 686 transitions. [2024-11-09 05:49:35,697 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 05:49:35,697 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 686 transitions. [2024-11-09 05:49:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 05:49:35,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:35,702 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] [2024-11-09 05:49:35,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:49:35,703 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:35,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:35,703 INFO L85 PathProgramCache]: Analyzing trace with hash -597019439, now seen corresponding path program 1 times [2024-11-09 05:49:35,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:35,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899706342] [2024-11-09 05:49:35,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:35,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:36,097 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 05:49:36,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:36,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899706342] [2024-11-09 05:49:36,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899706342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:36,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:36,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:49:36,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080032131] [2024-11-09 05:49:36,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:36,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:49:36,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:36,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:49:36,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:49:36,100 INFO L87 Difference]: Start difference. First operand 478 states and 686 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 05:49:36,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:36,912 INFO L93 Difference]: Finished difference Result 678 states and 921 transitions. [2024-11-09 05:49:36,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:49:36,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 135 [2024-11-09 05:49:36,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:36,917 INFO L225 Difference]: With dead ends: 678 [2024-11-09 05:49:36,917 INFO L226 Difference]: Without dead ends: 490 [2024-11-09 05:49:36,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:49:36,919 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 240 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:36,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 425 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 05:49:36,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-09 05:49:37,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2024-11-09 05:49:37,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 342 states have (on average 1.4064327485380117) internal successors, (481), 345 states have internal predecessors, (481), 105 states have call successors, (105), 43 states have call predecessors, (105), 42 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 05:49:37,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 690 transitions. [2024-11-09 05:49:37,139 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 690 transitions. Word has length 135 [2024-11-09 05:49:37,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:37,140 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 690 transitions. [2024-11-09 05:49:37,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 05:49:37,140 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 690 transitions. [2024-11-09 05:49:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 05:49:37,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:37,144 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:37,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:49:37,144 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:49:37,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:37,146 INFO L85 PathProgramCache]: Analyzing trace with hash -144532116, now seen corresponding path program 1 times [2024-11-09 05:49:37,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:37,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806305410] [2024-11-09 05:49:37,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:37,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-09 05:49:38,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:38,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806305410] [2024-11-09 05:49:38,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806305410] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:49:38,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817600223] [2024-11-09 05:49:38,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:38,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:49:38,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:49:38,249 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:49:38,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0785ac95-8d19-4975-acd0-a0ea8b1e9013/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:49:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:38,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:49:38,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:49:38,827 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-09 05:49:38,827 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:49:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-09 05:49:39,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817600223] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:49:39,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1721652921] [2024-11-09 05:49:39,161 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2024-11-09 05:49:39,161 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:49:39,162 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:49:39,162 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:49:39,162 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:50:21,265 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2024-11-09 05:50:21,396 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 269 for LOIs [2024-11-09 05:50:26,916 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 226 for LOIs [2024-11-09 05:50:27,044 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 350 for LOIs [2024-11-09 05:50:47,691 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 203 for LOIs [2024-11-09 05:50:48,765 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 359 for LOIs [2024-11-09 05:50:51,009 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 206 for LOIs [2024-11-09 05:50:51,256 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 280 for LOIs [2024-11-09 05:50:52,085 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 288 for LOIs [2024-11-09 05:50:52,943 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 235 for LOIs [2024-11-09 05:50:53,055 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 203 for LOIs [2024-11-09 05:50:53,148 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:52:36,652 WARN L286 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 350 DAG size of output: 337 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:52:44,454 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification. DAG size of input: 358 DAG size of output: 345 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)