./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/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_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/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_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/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 5ce5fd5bda0c8594f52541a2ff1031f1544bc9165bf7645718c7801e066263fc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:15:12,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:15:12,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:15:12,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:15:12,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:15:12,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:15:12,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:15:12,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:15:12,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:15:12,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:15:12,779 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:15:12,779 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:15:12,780 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:15:12,780 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:15:12,781 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:15:12,781 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:15:12,782 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:15:12,782 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:15:12,783 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:15:12,783 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:15:12,784 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:15:12,788 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:15:12,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:15:12,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:15:12,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:15:12,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:15:12,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:15:12,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:15:12,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:15:12,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:15:12,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:15:12,791 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:15:12,791 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:15:12,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:15:12,795 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:15:12,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:15:12,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:15:12,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:15:12,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:15:12,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:15:12,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:15:12,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:15:12,797 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:15:12,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:15:12,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:15:12,799 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:15:12,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:15:12,799 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_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ce5fd5bda0c8594f52541a2ff1031f1544bc9165bf7645718c7801e066263fc [2024-11-09 01:15:13,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:15:13,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:15:13,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:15:13,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:15:13,140 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:15:13,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec0_product16.cil.c Unable to find full path for "g++" [2024-11-09 01:15:15,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:15:15,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:15:15,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/sv-benchmarks/c/product-lines/email_spec0_product16.cil.c [2024-11-09 01:15:15,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/data/7c7d989f9/91707aeb1ac6417490ea1821a7e8f918/FLAG85cea4a06 [2024-11-09 01:15:15,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/data/7c7d989f9/91707aeb1ac6417490ea1821a7e8f918 [2024-11-09 01:15:15,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:15:15,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:15:15,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:15:15,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:15:15,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:15:15,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:15:15" (1/1) ... [2024-11-09 01:15:15,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7434db3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:15, skipping insertion in model container [2024-11-09 01:15:15,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:15:15" (1/1) ... [2024-11-09 01:15:15,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:15:16,088 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_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/sv-benchmarks/c/product-lines/email_spec0_product16.cil.c[7449,7462] [2024-11-09 01:15:16,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:15:16,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:15:16,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-11-09 01:15:16,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [97] [2024-11-09 01:15:16,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [398] [2024-11-09 01:15:16,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [407] [2024-11-09 01:15:16,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] [2024-11-09 01:15:16,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [735] [2024-11-09 01:15:16,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1101] [2024-11-09 01:15:16,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2173] [2024-11-09 01:15:16,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2578] [2024-11-09 01:15:16,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2597] [2024-11-09 01:15:16,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2614] [2024-11-09 01:15:16,593 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_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/sv-benchmarks/c/product-lines/email_spec0_product16.cil.c[7449,7462] [2024-11-09 01:15:16,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:15:16,769 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:15:16,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16 WrapperNode [2024-11-09 01:15:16,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:15:16,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:15:16,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:15:16,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:15:16,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (1/1) ... [2024-11-09 01:15:16,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (1/1) ... [2024-11-09 01:15:16,876 INFO L138 Inliner]: procedures = 125, calls = 181, calls flagged for inlining = 55, calls inlined = 50, statements flattened = 979 [2024-11-09 01:15:16,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:15:16,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:15:16,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:15:16,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:15:16,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (1/1) ... [2024-11-09 01:15:16,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (1/1) ... [2024-11-09 01:15:16,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (1/1) ... [2024-11-09 01:15:16,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (1/1) ... [2024-11-09 01:15:16,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (1/1) ... [2024-11-09 01:15:16,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (1/1) ... [2024-11-09 01:15:16,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (1/1) ... [2024-11-09 01:15:16,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (1/1) ... [2024-11-09 01:15:16,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:15:16,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:15:16,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:15:16,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:15:16,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (1/1) ... [2024-11-09 01:15:16,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:15:17,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:15:17,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:15:17,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:15:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 01:15:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 01:15:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 01:15:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 01:15:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 01:15:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 01:15:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 01:15:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 01:15:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 01:15:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 01:15:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 01:15:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 01:15:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 01:15:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 01:15:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 01:15:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 01:15:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 01:15:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 01:15:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:15:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 01:15:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 01:15:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 01:15:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 01:15:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 01:15:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 01:15:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 01:15:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 01:15:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 01:15:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 01:15:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 01:15:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 01:15:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 01:15:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 01:15:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:15:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 01:15:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 01:15:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:15:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:15:17,334 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:15:17,339 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:15:18,452 INFO L? ?]: Removed 408 outVars from TransFormulas that were not future-live. [2024-11-09 01:15:18,453 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:15:19,083 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:15:19,084 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:15:19,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:15:19 BoogieIcfgContainer [2024-11-09 01:15:19,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:15:19,090 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:15:19,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:15:19,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:15:19,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:15:15" (1/3) ... [2024-11-09 01:15:19,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5ff48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:15:19, skipping insertion in model container [2024-11-09 01:15:19,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:16" (2/3) ... [2024-11-09 01:15:19,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5ff48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:15:19, skipping insertion in model container [2024-11-09 01:15:19,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:15:19" (3/3) ... [2024-11-09 01:15:19,100 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product16.cil.c [2024-11-09 01:15:19,120 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:15:19,120 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:15:19,221 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:15:19,229 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;@62a0994e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:15:19,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:15:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 92 states have (on average 1.358695652173913) internal successors, (125), 96 states have internal predecessors, (125), 45 states have call successors, (45), 17 states have call predecessors, (45), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 01:15:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 01:15:19,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:15:19,255 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:15:19,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:15:19,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:15:19,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1042282507, now seen corresponding path program 1 times [2024-11-09 01:15:19,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:15:19,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268488167] [2024-11-09 01:15:19,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:19,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:15:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:15:19,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:15:19,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268488167] [2024-11-09 01:15:19,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268488167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:15:19,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:15:19,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:15:19,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677886452] [2024-11-09 01:15:19,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:15:19,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:15:19,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:15:19,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:15:19,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:15:19,767 INFO L87 Difference]: Start difference. First operand has 156 states, 92 states have (on average 1.358695652173913) internal successors, (125), 96 states have internal predecessors, (125), 45 states have call successors, (45), 17 states have call predecessors, (45), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 01:15:19,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:15:19,892 INFO L93 Difference]: Finished difference Result 229 states and 308 transitions. [2024-11-09 01:15:19,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:15:19,895 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 70 [2024-11-09 01:15:19,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:15:19,909 INFO L225 Difference]: With dead ends: 229 [2024-11-09 01:15:19,909 INFO L226 Difference]: Without dead ends: 153 [2024-11-09 01:15:19,914 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 01:15:19,918 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:15:19,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:15:19,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-09 01:15:19,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-09 01:15:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 93 states have internal predecessors, (119), 45 states have call successors, (45), 17 states have call predecessors, (45), 17 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 01:15:19,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 208 transitions. [2024-11-09 01:15:19,995 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 208 transitions. Word has length 70 [2024-11-09 01:15:19,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:15:19,997 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 208 transitions. [2024-11-09 01:15:19,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 01:15:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 208 transitions. [2024-11-09 01:15:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 01:15:20,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:15:20,003 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:15:20,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:15:20,004 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:15:20,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:15:20,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2117248118, now seen corresponding path program 1 times [2024-11-09 01:15:20,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:15:20,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797335277] [2024-11-09 01:15:20,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:20,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:15:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:15:20,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:15:20,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797335277] [2024-11-09 01:15:20,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797335277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:15:20,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:15:20,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:15:20,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492575328] [2024-11-09 01:15:20,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:15:20,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:15:20,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:15:20,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:15:20,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:15:20,362 INFO L87 Difference]: Start difference. First operand 153 states and 208 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 01:15:20,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:15:20,542 INFO L93 Difference]: Finished difference Result 225 states and 296 transitions. [2024-11-09 01:15:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:15:20,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 71 [2024-11-09 01:15:20,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:15:20,547 INFO L225 Difference]: With dead ends: 225 [2024-11-09 01:15:20,550 INFO L226 Difference]: Without dead ends: 155 [2024-11-09 01:15:20,551 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 01:15:20,552 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:15:20,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:15:20,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-09 01:15:20,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-09 01:15:20,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 92 states have (on average 1.315217391304348) internal successors, (121), 95 states have internal predecessors, (121), 45 states have call successors, (45), 17 states have call predecessors, (45), 17 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 01:15:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 210 transitions. [2024-11-09 01:15:20,597 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 210 transitions. Word has length 71 [2024-11-09 01:15:20,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:15:20,598 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 210 transitions. [2024-11-09 01:15:20,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 01:15:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 210 transitions. [2024-11-09 01:15:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 01:15:20,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:15:20,605 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:15:20,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:15:20,606 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:15:20,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:15:20,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1778176338, now seen corresponding path program 1 times [2024-11-09 01:15:20,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:15:20,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957238049] [2024-11-09 01:15:20,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:20,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:15:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:20,781 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:15:20,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:15:20,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957238049] [2024-11-09 01:15:20,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957238049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:15:20,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:15:20,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:15:20,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423023864] [2024-11-09 01:15:20,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:15:20,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:15:20,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:15:20,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:15:20,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:15:20,789 INFO L87 Difference]: Start difference. First operand 155 states and 210 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 01:15:20,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:15:20,913 INFO L93 Difference]: Finished difference Result 340 states and 479 transitions. [2024-11-09 01:15:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:15:20,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 01:15:20,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:15:20,916 INFO L225 Difference]: With dead ends: 340 [2024-11-09 01:15:20,916 INFO L226 Difference]: Without dead ends: 203 [2024-11-09 01:15:20,917 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 01:15:20,919 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 57 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:15:20,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 352 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:15:20,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-09 01:15:20,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 198. [2024-11-09 01:15:20,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 124 states have (on average 1.403225806451613) internal successors, (174), 127 states have internal predecessors, (174), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 01:15:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 285 transitions. [2024-11-09 01:15:20,961 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 285 transitions. Word has length 76 [2024-11-09 01:15:20,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:15:20,961 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 285 transitions. [2024-11-09 01:15:20,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 01:15:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 285 transitions. [2024-11-09 01:15:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 01:15:20,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:15:20,968 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:15:20,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 01:15:20,969 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:15:20,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:15:20,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1409149227, now seen corresponding path program 1 times [2024-11-09 01:15:20,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:15:20,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929388068] [2024-11-09 01:15:20,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:20,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:15:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:21,252 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:15:21,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:15:21,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929388068] [2024-11-09 01:15:21,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929388068] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:15:21,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548396815] [2024-11-09 01:15:21,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:21,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:15:21,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:15:21,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:15:21,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:15:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:21,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:15:21,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:15:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:15:21,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:15:21,928 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:15:21,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548396815] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:15:21,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [300183620] [2024-11-09 01:15:21,953 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2024-11-09 01:15:21,953 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:15:21,957 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:15:21,963 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:15:21,964 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:15:56,301 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 01:15:56,460 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 01:15:56,589 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:17:00,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [300183620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:00,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:17:00,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 01:17:00,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141777177] [2024-11-09 01:17:00,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:00,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 01:17:00,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:17:00,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 01:17:00,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 01:17:00,061 INFO L87 Difference]: Start difference. First operand 198 states and 285 transitions. Second operand has 23 states, 15 states have (on average 2.6) internal successors, (39), 14 states have internal predecessors, (39), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 01:17:07,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:07,563 INFO L93 Difference]: Finished difference Result 410 states and 606 transitions. [2024-11-09 01:17:07,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 01:17:07,564 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.6) internal successors, (39), 14 states have internal predecessors, (39), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 77 [2024-11-09 01:17:07,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:07,567 INFO L225 Difference]: With dead ends: 410 [2024-11-09 01:17:07,568 INFO L226 Difference]: Without dead ends: 230 [2024-11-09 01:17:07,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 63.5s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 01:17:07,571 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 25 mSDsluCounter, 2109 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2266 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:07,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2266 Invalid, 1558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1549 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-11-09 01:17:07,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-09 01:17:07,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 221. [2024-11-09 01:17:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 146 states have (on average 1.417808219178082) internal successors, (207), 149 states have internal predecessors, (207), 56 states have call successors, (56), 18 states have call predecessors, (56), 18 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 01:17:07,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 318 transitions. [2024-11-09 01:17:07,670 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 318 transitions. Word has length 77 [2024-11-09 01:17:07,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:07,671 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 318 transitions. [2024-11-09 01:17:07,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.6) internal successors, (39), 14 states have internal predecessors, (39), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 01:17:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 318 transitions. [2024-11-09 01:17:07,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 01:17:07,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:07,678 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:17:07,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 01:17:07,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-09 01:17:07,880 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:17:07,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:07,880 INFO L85 PathProgramCache]: Analyzing trace with hash 138045100, now seen corresponding path program 1 times [2024-11-09 01:17:07,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:17:07,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845949641] [2024-11-09 01:17:07,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:07,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:17:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:08,047 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:17:08,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:17:08,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845949641] [2024-11-09 01:17:08,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845949641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:08,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:17:08,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:17:08,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471688314] [2024-11-09 01:17:08,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:08,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:17:08,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:17:08,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:17:08,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:17:08,050 INFO L87 Difference]: Start difference. First operand 221 states and 318 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 01:17:08,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:08,265 INFO L93 Difference]: Finished difference Result 535 states and 800 transitions. [2024-11-09 01:17:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:17:08,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 82 [2024-11-09 01:17:08,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:08,269 INFO L225 Difference]: With dead ends: 535 [2024-11-09 01:17:08,270 INFO L226 Difference]: Without dead ends: 338 [2024-11-09 01:17:08,271 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 01:17:08,272 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 55 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:08,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 367 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:17:08,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-09 01:17:08,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 333. [2024-11-09 01:17:08,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 233 states have (on average 1.4721030042918455) internal successors, (343), 236 states have internal predecessors, (343), 81 states have call successors, (81), 18 states have call predecessors, (81), 18 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 01:17:08,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 504 transitions. [2024-11-09 01:17:08,387 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 504 transitions. Word has length 82 [2024-11-09 01:17:08,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:08,388 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 504 transitions. [2024-11-09 01:17:08,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 01:17:08,389 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 504 transitions. [2024-11-09 01:17:08,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 01:17:08,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:08,393 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:17:08,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 01:17:08,393 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:17:08,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:08,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1296321200, now seen corresponding path program 1 times [2024-11-09 01:17:08,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:17:08,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256446547] [2024-11-09 01:17:08,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:08,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:17:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:17:08,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:17:08,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256446547] [2024-11-09 01:17:08,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256446547] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:17:08,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158019356] [2024-11-09 01:17:08,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:08,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:17:08,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:17:08,579 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:17:08,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 01:17:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:08,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:17:08,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:17:09,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:17:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:17:09,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158019356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:17:09,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [559106550] [2024-11-09 01:17:09,166 INFO L159 IcfgInterpreter]: Started Sifa with 66 locations of interest [2024-11-09 01:17:09,166 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:17:09,167 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:17:09,167 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:17:09,168 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:17:53,256 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 01:17:53,394 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 426 for LOIs [2024-11-09 01:17:54,840 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:18:20,337 WARN L286 SmtUtils]: Spent 8.77s on a formula simplification. DAG size of input: 426 DAG size of output: 427 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:18:33,541 WARN L286 SmtUtils]: Spent 12.73s on a formula simplification. DAG size of input: 450 DAG size of output: 445 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:19:20,800 WARN L286 SmtUtils]: Spent 10.93s on a formula simplification. DAG size of input: 443 DAG size of output: 443 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:19:32,386 WARN L286 SmtUtils]: Spent 10.63s on a formula simplification. DAG size of input: 444 DAG size of output: 443 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:19:44,786 WARN L286 SmtUtils]: Spent 11.10s on a formula simplification. DAG size of input: 448 DAG size of output: 447 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:19:58,496 WARN L286 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 448 DAG size of output: 447 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:20:12,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [559106550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:20:12,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:20:12,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 01:20:12,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778625511] [2024-11-09 01:20:12,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:20:12,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 01:20:12,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:20:12,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 01:20:12,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 01:20:12,004 INFO L87 Difference]: Start difference. First operand 333 states and 504 transitions. Second operand has 26 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 16 states have internal predecessors, (42), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-09 01:20:24,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:20:24,474 INFO L93 Difference]: Finished difference Result 674 states and 1047 transitions. [2024-11-09 01:20:24,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 01:20:24,475 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 16 states have internal predecessors, (42), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 83 [2024-11-09 01:20:24,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:20:24,479 INFO L225 Difference]: With dead ends: 674 [2024-11-09 01:20:24,479 INFO L226 Difference]: Without dead ends: 404 [2024-11-09 01:20:24,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 220 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 137.2s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 01:20:24,481 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 61 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 2719 SdHoareTripleChecker+Invalid, 2263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:20:24,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 2719 Invalid, 2263 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2024-11-09 01:20:24,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-09 01:20:24,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 347. [2024-11-09 01:20:24,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 245 states have (on average 1.469387755102041) internal successors, (360), 248 states have internal predecessors, (360), 82 states have call successors, (82), 19 states have call predecessors, (82), 19 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-09 01:20:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 523 transitions. [2024-11-09 01:20:24,607 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 523 transitions. Word has length 83 [2024-11-09 01:20:24,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:20:24,607 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 523 transitions. [2024-11-09 01:20:24,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 16 states have internal predecessors, (42), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-09 01:20:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 523 transitions. [2024-11-09 01:20:24,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 01:20:24,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:20:24,611 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:20:24,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 01:20:24,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 01:20:24,811 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:20:24,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:20:24,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1150881816, now seen corresponding path program 1 times [2024-11-09 01:20:24,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:20:24,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703427427] [2024-11-09 01:20:24,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:20:24,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:20:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:20:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:20:24,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:20:24,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703427427] [2024-11-09 01:20:24,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703427427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:20:24,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230241334] [2024-11-09 01:20:24,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:20:24,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:20:24,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:20:24,976 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:20:24,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 01:20:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:20:25,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:20:25,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:20:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:20:25,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:20:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:20:25,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230241334] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:20:25,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1618016651] [2024-11-09 01:20:25,570 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2024-11-09 01:20:25,570 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:20:25,571 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:20:25,571 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:20:25,571 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:21:34,867 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 01:21:35,018 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 472 for LOIs [2024-11-09 01:21:36,205 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 481 for LOIs [2024-11-09 01:21:37,331 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 417 for LOIs [2024-11-09 01:21:37,757 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 01:21:37,919 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:22:43,170 WARN L286 SmtUtils]: Spent 13.60s on a formula simplification. DAG size of input: 501 DAG size of output: 496 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:22:57,491 WARN L286 SmtUtils]: Spent 13.46s on a formula simplification. DAG size of input: 502 DAG size of output: 496 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:23:19,664 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 482 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:23:25,956 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification. DAG size of input: 487 DAG size of output: 483 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:23:32,109 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 481 DAG size of output: 477 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:23:38,444 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 481 DAG size of output: 477 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:23:44,898 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 477 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:23:51,175 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 472 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:23:57,553 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 472 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:24:03,835 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 468 DAG size of output: 464 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:24:03,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1618016651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:24:03,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:24:03,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 01:24:03,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074957787] [2024-11-09 01:24:03,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:24:03,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 01:24:03,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:24:03,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 01:24:03,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 01:24:03,844 INFO L87 Difference]: Start difference. First operand 347 states and 523 transitions. Second operand has 33 states, 19 states have (on average 2.210526315789474) internal successors, (42), 18 states have internal predecessors, (42), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-09 01:24:21,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:24:21,946 INFO L93 Difference]: Finished difference Result 699 states and 1082 transitions. [2024-11-09 01:24:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 01:24:21,947 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.210526315789474) internal successors, (42), 18 states have internal predecessors, (42), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) Word has length 86 [2024-11-09 01:24:21,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:24:21,951 INFO L225 Difference]: With dead ends: 699 [2024-11-09 01:24:21,951 INFO L226 Difference]: Without dead ends: 429 [2024-11-09 01:24:21,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 145.9s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 01:24:21,953 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 100 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 2895 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 2917 SdHoareTripleChecker+Invalid, 2904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2024-11-09 01:24:21,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 2917 Invalid, 2904 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2895 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2024-11-09 01:24:21,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-09 01:24:22,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 383. [2024-11-09 01:24:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 275 states have (on average 1.461818181818182) internal successors, (402), 278 states have internal predecessors, (402), 85 states have call successors, (85), 22 states have call predecessors, (85), 22 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-09 01:24:22,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 571 transitions. [2024-11-09 01:24:22,142 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 571 transitions. Word has length 86 [2024-11-09 01:24:22,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:24:22,143 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 571 transitions. [2024-11-09 01:24:22,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.210526315789474) internal successors, (42), 18 states have internal predecessors, (42), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-09 01:24:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 571 transitions. [2024-11-09 01:24:22,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 01:24:22,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:22,146 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:22,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 01:24:22,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-09 01:24:22,347 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:22,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:22,348 INFO L85 PathProgramCache]: Analyzing trace with hash -892748530, now seen corresponding path program 1 times [2024-11-09 01:24:22,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:24:22,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290834554] [2024-11-09 01:24:22,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:22,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:24:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:24:22,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:24:22,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290834554] [2024-11-09 01:24:22,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290834554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:24:22,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827332959] [2024-11-09 01:24:22,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:22,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:24:22,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:24:22,567 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:24:22,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 01:24:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:22,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:24:22,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:24:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:24:23,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:24:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:24:23,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827332959] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:24:23,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [62526419] [2024-11-09 01:24:23,108 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2024-11-09 01:24:23,108 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:24:23,109 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:24:23,109 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:24:23,109 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:25:23,089 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 01:25:23,240 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 01:25:23,400 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:26:29,565 WARN L286 SmtUtils]: Spent 10.97s on a formula simplification. DAG size of input: 442 DAG size of output: 442 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:26:41,998 WARN L286 SmtUtils]: Spent 11.31s on a formula simplification. DAG size of input: 443 DAG size of output: 442 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:26:54,384 WARN L286 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 447 DAG size of output: 446 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:27:08,096 WARN L286 SmtUtils]: Spent 10.99s on a formula simplification. DAG size of input: 447 DAG size of output: 446 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:27:21,379 WARN L286 SmtUtils]: Spent 10.53s on a formula simplification. DAG size of input: 447 DAG size of output: 446 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:27:31,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [62526419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:27:31,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:27:31,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2024-11-09 01:27:31,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107874] [2024-11-09 01:27:31,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:27:31,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 01:27:31,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:27:31,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 01:27:31,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=947, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 01:27:31,086 INFO L87 Difference]: Start difference. First operand 383 states and 571 transitions. Second operand has 28 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 01:27:56,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:27:56,208 INFO L93 Difference]: Finished difference Result 701 states and 1073 transitions. [2024-11-09 01:27:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 01:27:56,209 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 85 [2024-11-09 01:27:56,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:27:56,216 INFO L225 Difference]: With dead ends: 701 [2024-11-09 01:27:56,218 INFO L226 Difference]: Without dead ends: 431 [2024-11-09 01:27:56,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 223 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 142.0s TimeCoverageRelationStatistics Valid=130, Invalid=1130, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 01:27:56,221 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 22 mSDsluCounter, 2498 mSDsCounter, 0 mSdLazyCounter, 2165 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2652 SdHoareTripleChecker+Invalid, 2174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:27:56,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2652 Invalid, 2174 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2165 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2024-11-09 01:27:56,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-09 01:27:56,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 403. [2024-11-09 01:27:56,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 295 states have (on average 1.464406779661017) internal successors, (432), 298 states have internal predecessors, (432), 85 states have call successors, (85), 22 states have call predecessors, (85), 22 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-09 01:27:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 601 transitions. [2024-11-09 01:27:56,438 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 601 transitions. Word has length 85 [2024-11-09 01:27:56,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:27:56,438 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 601 transitions. [2024-11-09 01:27:56,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 01:27:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 601 transitions. [2024-11-09 01:27:56,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 01:27:56,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:27:56,441 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2024-11-09 01:27:56,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 01:27:56,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 01:27:56,642 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:27:56,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:27:56,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1771836141, now seen corresponding path program 1 times [2024-11-09 01:27:56,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:27:56,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606784575] [2024-11-09 01:27:56,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:27:56,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:27:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:27:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 01:27:57,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:27:57,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606784575] [2024-11-09 01:27:57,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606784575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:27:57,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066702772] [2024-11-09 01:27:57,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:27:57,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:27:57,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:27:57,767 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:27:57,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a45ab8d-b1a6-4234-a913-a42c2fe63c07/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 01:27:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:27:58,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:27:58,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:27:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:27:58,353 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:27:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:27:58,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066702772] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:27:58,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [579323378] [2024-11-09 01:27:58,515 INFO L159 IcfgInterpreter]: Started Sifa with 66 locations of interest [2024-11-09 01:27:58,515 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:27:58,515 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:27:58,515 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:27:58,516 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:28:52,620 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 01:28:52,761 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 426 for LOIs [2024-11-09 01:28:54,551 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:29:22,894 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 426 DAG size of output: 427 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:29:36,783 WARN L286 SmtUtils]: Spent 12.40s on a formula simplification. DAG size of input: 450 DAG size of output: 445 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)