./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/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_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/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_762d7a4a-1322-4d0c-b094-8178c7174658/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 9dc54d5213c4407313cf4404e06f4e3ced3af047edaa52f6d33441570abdeda7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:05:33,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:05:33,724 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:05:33,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:05:33,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:05:33,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:05:33,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:05:33,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:05:33,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:05:33,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:05:33,757 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:05:33,757 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:05:33,758 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:05:33,758 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:05:33,759 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:05:33,759 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:05:33,760 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:05:33,760 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:05:33,761 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:05:33,762 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:05:33,762 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:05:33,766 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:05:33,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:05:33,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:05:33,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:05:33,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:05:33,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:05:33,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:05:33,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:05:33,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:05:33,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:05:33,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:05:33,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:05:33,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:05:33,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:05:33,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:05:33,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:05:33,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:05:33,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:05:33,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:05:33,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:05:33,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:05:33,775 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:05:33,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:05:33,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:05:33,777 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:05:33,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:05:33,778 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_762d7a4a-1322-4d0c-b094-8178c7174658/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dc54d5213c4407313cf4404e06f4e3ced3af047edaa52f6d33441570abdeda7 [2024-11-09 07:05:34,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:05:34,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:05:34,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:05:34,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:05:34,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:05:34,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec0_product37.cil.c Unable to find full path for "g++" [2024-11-09 07:05:36,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:05:36,490 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:05:36,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c [2024-11-09 07:05:36,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/data/5a0e4b966/847b5d44ac034fea84d810b12fd5570b/FLAGe840af8e5 [2024-11-09 07:05:36,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/data/5a0e4b966/847b5d44ac034fea84d810b12fd5570b [2024-11-09 07:05:36,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:05:36,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:05:36,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:05:36,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:05:36,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:05:36,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:05:36" (1/1) ... [2024-11-09 07:05:36,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4807bd68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:36, skipping insertion in model container [2024-11-09 07:05:36,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:05:36" (1/1) ... [2024-11-09 07:05:36,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:05:36,872 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_762d7a4a-1322-4d0c-b094-8178c7174658/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c[1542,1555] [2024-11-09 07:05:37,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:05:37,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:05:37,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-09 07:05:37,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [57] [2024-11-09 07:05:37,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [384] [2024-11-09 07:05:37,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1455] [2024-11-09 07:05:37,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1686] [2024-11-09 07:05:37,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1721] [2024-11-09 07:05:37,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1738] [2024-11-09 07:05:37,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2146] [2024-11-09 07:05:37,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2512] [2024-11-09 07:05:37,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2576] [2024-11-09 07:05:37,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2595] [2024-11-09 07:05:37,448 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_762d7a4a-1322-4d0c-b094-8178c7174658/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c[1542,1555] [2024-11-09 07:05:37,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:05:37,656 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:05:37,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37 WrapperNode [2024-11-09 07:05:37,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:05:37,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:05:37,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:05:37,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:05:37,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (1/1) ... [2024-11-09 07:05:37,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (1/1) ... [2024-11-09 07:05:37,752 INFO L138 Inliner]: procedures = 124, calls = 170, calls flagged for inlining = 51, calls inlined = 46, statements flattened = 833 [2024-11-09 07:05:37,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:05:37,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:05:37,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:05:37,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:05:37,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (1/1) ... [2024-11-09 07:05:37,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (1/1) ... [2024-11-09 07:05:37,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (1/1) ... [2024-11-09 07:05:37,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (1/1) ... [2024-11-09 07:05:37,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (1/1) ... [2024-11-09 07:05:37,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (1/1) ... [2024-11-09 07:05:37,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (1/1) ... [2024-11-09 07:05:37,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (1/1) ... [2024-11-09 07:05:37,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:05:37,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:05:37,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:05:37,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:05:37,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (1/1) ... [2024-11-09 07:05:37,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:05:37,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:05:37,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:05:37,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:05:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 07:05:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 07:05:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 07:05:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 07:05:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 07:05:37,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 07:05:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 07:05:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 07:05:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 07:05:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 07:05:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 07:05:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 07:05:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-09 07:05:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-09 07:05:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 07:05:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 07:05:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:05:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 07:05:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 07:05:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 07:05:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 07:05:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 07:05:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 07:05:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 07:05:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 07:05:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 07:05:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 07:05:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 07:05:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 07:05:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:05:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 07:05:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 07:05:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:05:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:05:38,145 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:05:38,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:05:38,942 INFO L? ?]: Removed 326 outVars from TransFormulas that were not future-live. [2024-11-09 07:05:38,942 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:05:39,454 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:05:39,454 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:05:39,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:05:39 BoogieIcfgContainer [2024-11-09 07:05:39,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:05:39,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:05:39,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:05:39,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:05:39,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:05:36" (1/3) ... [2024-11-09 07:05:39,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606c1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:05:39, skipping insertion in model container [2024-11-09 07:05:39,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:05:37" (2/3) ... [2024-11-09 07:05:39,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606c1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:05:39, skipping insertion in model container [2024-11-09 07:05:39,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:05:39" (3/3) ... [2024-11-09 07:05:39,466 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product37.cil.c [2024-11-09 07:05:39,485 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:05:39,485 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:05:39,554 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:05:39,561 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;@3c072733, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:05:39,561 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:05:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 86 states have internal predecessors, (114), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 07:05:39,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 07:05:39,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:05:39,579 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:05:39,579 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:05:39,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:05:39,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1687820372, now seen corresponding path program 1 times [2024-11-09 07:05:39,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:05:39,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602245415] [2024-11-09 07:05:39,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:39,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:05:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:05:40,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:05:40,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602245415] [2024-11-09 07:05:40,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602245415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:05:40,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:05:40,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:05:40,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225095741] [2024-11-09 07:05:40,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:05:40,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:05:40,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:05:40,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:05:40,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:05:40,082 INFO L87 Difference]: Start difference. First operand has 141 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 86 states have internal predecessors, (114), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 07:05:40,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:05:40,205 INFO L93 Difference]: Finished difference Result 199 states and 266 transitions. [2024-11-09 07:05:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:05:40,210 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 60 [2024-11-09 07:05:40,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:05:40,222 INFO L225 Difference]: With dead ends: 199 [2024-11-09 07:05:40,222 INFO L226 Difference]: Without dead ends: 138 [2024-11-09 07:05:40,228 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 07:05:40,234 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:05:40,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:05:40,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-09 07:05:40,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-09 07:05:40,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 82 states have (on average 1.3170731707317074) internal successors, (108), 83 states have internal predecessors, (108), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 07:05:40,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 187 transitions. [2024-11-09 07:05:40,308 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 187 transitions. Word has length 60 [2024-11-09 07:05:40,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:05:40,314 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 187 transitions. [2024-11-09 07:05:40,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 07:05:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 187 transitions. [2024-11-09 07:05:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 07:05:40,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:05:40,319 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:05:40,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:05:40,320 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:05:40,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:05:40,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1414371358, now seen corresponding path program 1 times [2024-11-09 07:05:40,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:05:40,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33022890] [2024-11-09 07:05:40,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:40,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:05:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:05:40,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:05:40,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33022890] [2024-11-09 07:05:40,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33022890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:05:40,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:05:40,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:05:40,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715666323] [2024-11-09 07:05:40,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:05:40,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:05:40,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:05:40,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:05:40,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:05:40,608 INFO L87 Difference]: Start difference. First operand 138 states and 187 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 07:05:40,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:05:40,738 INFO L93 Difference]: Finished difference Result 195 states and 254 transitions. [2024-11-09 07:05:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:05:40,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 61 [2024-11-09 07:05:40,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:05:40,744 INFO L225 Difference]: With dead ends: 195 [2024-11-09 07:05:40,744 INFO L226 Difference]: Without dead ends: 140 [2024-11-09 07:05:40,745 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 07:05:40,746 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:05:40,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 321 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:05:40,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-09 07:05:40,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-09 07:05:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 85 states have internal predecessors, (110), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 07:05:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 189 transitions. [2024-11-09 07:05:40,775 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 189 transitions. Word has length 61 [2024-11-09 07:05:40,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:05:40,775 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 189 transitions. [2024-11-09 07:05:40,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 07:05:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 189 transitions. [2024-11-09 07:05:40,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 07:05:40,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:05:40,782 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] [2024-11-09 07:05:40,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:05:40,785 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:05:40,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:05:40,787 INFO L85 PathProgramCache]: Analyzing trace with hash -2083006059, now seen corresponding path program 1 times [2024-11-09 07:05:40,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:05:40,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30453713] [2024-11-09 07:05:40,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:40,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:05:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:05:40,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:05:40,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30453713] [2024-11-09 07:05:40,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30453713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:05:40,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:05:40,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:05:40,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351789483] [2024-11-09 07:05:40,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:05:40,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:05:40,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:05:40,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:05:40,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:05:40,991 INFO L87 Difference]: Start difference. First operand 140 states and 189 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 07:05:41,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:05:41,140 INFO L93 Difference]: Finished difference Result 310 states and 437 transitions. [2024-11-09 07:05:41,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:05:41,143 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 66 [2024-11-09 07:05:41,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:05:41,145 INFO L225 Difference]: With dead ends: 310 [2024-11-09 07:05:41,145 INFO L226 Difference]: Without dead ends: 188 [2024-11-09 07:05:41,146 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 07:05:41,150 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 57 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:05:41,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 323 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:05:41,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-09 07:05:41,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 183. [2024-11-09 07:05:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 116 states have (on average 1.4051724137931034) internal successors, (163), 117 states have internal predecessors, (163), 51 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-09 07:05:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 264 transitions. [2024-11-09 07:05:41,182 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 264 transitions. Word has length 66 [2024-11-09 07:05:41,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:05:41,183 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 264 transitions. [2024-11-09 07:05:41,183 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 07:05:41,183 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 264 transitions. [2024-11-09 07:05:41,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 07:05:41,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:05:41,189 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] [2024-11-09 07:05:41,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:05:41,190 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:05:41,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:05:41,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2106940249, now seen corresponding path program 1 times [2024-11-09 07:05:41,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:05:41,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679130524] [2024-11-09 07:05:41,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:41,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:05:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:41,430 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:05:41,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:05:41,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679130524] [2024-11-09 07:05:41,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679130524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:05:41,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557420961] [2024-11-09 07:05:41,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:41,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:05:41,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:05:41,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:05:41,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:05:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:41,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:05:41,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:05:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:05:41,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:05:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:05:42,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557420961] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:05:42,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1040650827] [2024-11-09 07:05:42,109 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2024-11-09 07:05:42,109 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:05:42,113 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:05:42,119 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:05:42,119 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:06:14,225 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 07:06:14,448 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 07:06:14,627 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:07:18,711 WARN L286 SmtUtils]: Spent 12.54s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:07:32,107 WARN L286 SmtUtils]: Spent 12.10s on a formula simplification. DAG size of input: 438 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:07:44,670 WARN L286 SmtUtils]: Spent 11.01s on a formula simplification. DAG size of input: 442 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:07:50,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1040650827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:07:50,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:07:50,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 07:07:50,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244367062] [2024-11-09 07:07:50,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:07:50,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 07:07:50,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:07:50,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 07:07:50,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 07:07:50,587 INFO L87 Difference]: Start difference. First operand 183 states and 264 transitions. Second operand has 23 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 14 states have internal predecessors, (34), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 07:08:00,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:08:00,120 INFO L93 Difference]: Finished difference Result 380 states and 564 transitions. [2024-11-09 07:08:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 07:08:00,122 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 14 states have internal predecessors, (34), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 67 [2024-11-09 07:08:00,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:08:00,126 INFO L225 Difference]: With dead ends: 380 [2024-11-09 07:08:00,126 INFO L226 Difference]: Without dead ends: 215 [2024-11-09 07:08:00,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 95.9s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 07:08:00,130 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 25 mSDsluCounter, 1989 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-11-09 07:08:00,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2130 Invalid, 1639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1630 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2024-11-09 07:08:00,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-09 07:08:00,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 206. [2024-11-09 07:08:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 138 states have (on average 1.4202898550724639) internal successors, (196), 139 states have internal predecessors, (196), 51 states have call successors, (51), 16 states have call predecessors, (51), 16 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-09 07:08:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 297 transitions. [2024-11-09 07:08:00,224 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 297 transitions. Word has length 67 [2024-11-09 07:08:00,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:08:00,225 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 297 transitions. [2024-11-09 07:08:00,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 14 states have internal predecessors, (34), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 07:08:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2024-11-09 07:08:00,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 07:08:00,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:00,228 INFO L215 NwaCegarLoop]: trace histogram [4, 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 07:08:00,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:08:00,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:08:00,430 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:08:00,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:00,431 INFO L85 PathProgramCache]: Analyzing trace with hash -733760543, now seen corresponding path program 1 times [2024-11-09 07:08:00,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:08:00,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570986885] [2024-11-09 07:08:00,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:00,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 07:08:00,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:08:00,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570986885] [2024-11-09 07:08:00,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570986885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:00,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:00,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:08:00,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865049152] [2024-11-09 07:08:00,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:00,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:08:00,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:08:00,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:08:00,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:08:00,572 INFO L87 Difference]: Start difference. First operand 206 states and 297 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 07:08:00,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:08:00,832 INFO L93 Difference]: Finished difference Result 505 states and 758 transitions. [2024-11-09 07:08:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:08:00,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 72 [2024-11-09 07:08:00,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:08:00,836 INFO L225 Difference]: With dead ends: 505 [2024-11-09 07:08:00,836 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 07:08:00,837 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 07:08:00,840 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 55 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:08:00,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 332 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:08:00,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 07:08:00,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2024-11-09 07:08:00,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 225 states have (on average 1.4755555555555555) internal successors, (332), 226 states have internal predecessors, (332), 76 states have call successors, (76), 16 states have call predecessors, (76), 16 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 07:08:00,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 483 transitions. [2024-11-09 07:08:00,995 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 483 transitions. Word has length 72 [2024-11-09 07:08:00,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:08:00,995 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 483 transitions. [2024-11-09 07:08:00,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 07:08:00,996 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 483 transitions. [2024-11-09 07:08:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 07:08:00,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:00,999 INFO L215 NwaCegarLoop]: trace histogram [4, 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, 1] [2024-11-09 07:08:00,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:08:01,000 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:08:01,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:01,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2107971586, now seen corresponding path program 1 times [2024-11-09 07:08:01,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:08:01,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968789333] [2024-11-09 07:08:01,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:01,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 07:08:01,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:08:01,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968789333] [2024-11-09 07:08:01,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968789333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:08:01,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656240038] [2024-11-09 07:08:01,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:01,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:08:01,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:08:01,229 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:08:01,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 07:08:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:01,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:08:01,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:08:01,653 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 07:08:01,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:08:01,753 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 07:08:01,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656240038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:08:01,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1242026894] [2024-11-09 07:08:01,758 INFO L159 IcfgInterpreter]: Started Sifa with 58 locations of interest [2024-11-09 07:08:01,758 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:08:01,759 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:08:01,759 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:08:01,759 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:08:47,400 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 07:08:47,630 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 417 for LOIs [2024-11-09 07:08:49,127 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:09:11,627 WARN L286 SmtUtils]: Spent 7.03s on a formula simplification. DAG size of input: 417 DAG size of output: 418 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:09:22,603 WARN L286 SmtUtils]: Spent 10.50s on a formula simplification. DAG size of input: 441 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:10:03,795 WARN L286 SmtUtils]: Spent 9.65s on a formula simplification. DAG size of input: 438 DAG size of output: 438 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:10:14,439 WARN L286 SmtUtils]: Spent 9.71s on a formula simplification. DAG size of input: 439 DAG size of output: 438 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:10:25,242 WARN L286 SmtUtils]: Spent 9.78s 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 07:10:40,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1242026894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:10:40,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:10:40,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 07:10:40,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154044742] [2024-11-09 07:10:40,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:10:40,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 07:10:40,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:10:40,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 07:10:40,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=887, Unknown=0, NotChecked=0, Total=992 [2024-11-09 07:10:40,556 INFO L87 Difference]: Start difference. First operand 318 states and 483 transitions. Second operand has 27 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 17 states have internal predecessors, (37), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 07:10:57,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:10:57,415 INFO L93 Difference]: Finished difference Result 646 states and 1007 transitions. [2024-11-09 07:10:57,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 07:10:57,416 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 17 states have internal predecessors, (37), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 73 [2024-11-09 07:10:57,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:10:57,419 INFO L225 Difference]: With dead ends: 646 [2024-11-09 07:10:57,419 INFO L226 Difference]: Without dead ends: 391 [2024-11-09 07:10:57,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 119.0s TimeCoverageRelationStatistics Valid=119, Invalid=1003, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 07:10:57,421 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 44 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:10:57,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 2268 Invalid, 2060 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-11-09 07:10:57,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-09 07:10:57,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 332. [2024-11-09 07:10:57,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 237 states have (on average 1.4725738396624473) internal successors, (349), 238 states have internal predecessors, (349), 77 states have call successors, (77), 17 states have call predecessors, (77), 17 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-09 07:10:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 502 transitions. [2024-11-09 07:10:57,515 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 502 transitions. Word has length 73 [2024-11-09 07:10:57,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:10:57,515 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 502 transitions. [2024-11-09 07:10:57,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 17 states have internal predecessors, (37), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 07:10:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 502 transitions. [2024-11-09 07:10:57,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 07:10:57,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:10:57,518 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, 1, 1, 1, 1, 1] [2024-11-09 07:10:57,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 07:10:57,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:10:57,719 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:10:57,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:10:57,720 INFO L85 PathProgramCache]: Analyzing trace with hash -833285318, now seen corresponding path program 1 times [2024-11-09 07:10:57,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:10:57,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865733235] [2024-11-09 07:10:57,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:10:57,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:10:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:10:57,863 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:10:57,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:10:57,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865733235] [2024-11-09 07:10:57,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865733235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:10:57,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564793601] [2024-11-09 07:10:57,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:10:57,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:10:57,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:10:57,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:10:57,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 07:10:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:10:58,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:10:58,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:10:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:10:58,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:10:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:10:58,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564793601] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:10:58,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [578039333] [2024-11-09 07:10:58,301 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2024-11-09 07:10:58,302 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:10:58,302 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:10:58,302 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:10:58,302 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:11:53,334 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 07:11:53,466 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 463 for LOIs [2024-11-09 07:11:54,572 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 419 for LOIs [2024-11-09 07:11:55,133 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 07:11:55,278 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 472 for LOIs [2024-11-09 07:11:56,320 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:12:53,182 WARN L286 SmtUtils]: Spent 11.54s on a formula simplification. DAG size of input: 496 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:13:05,775 WARN L286 SmtUtils]: Spent 11.73s on a formula simplification. DAG size of input: 497 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:13:29,964 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 482 DAG size of output: 478 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:13:35,822 WARN L286 SmtUtils]: Spent 5.35s 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 07:13:41,585 WARN L286 SmtUtils]: Spent 5.26s 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 07:13:47,420 WARN L286 SmtUtils]: Spent 5.24s 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 07:14:03,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [578039333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:14:03,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:14:03,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 07:14:03,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631499996] [2024-11-09 07:14:03,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:14:03,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 07:14:03,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:14:03,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 07:14:03,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1287, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:14:03,915 INFO L87 Difference]: Start difference. First operand 332 states and 502 transitions. Second operand has 33 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 10 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-09 07:14:20,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:14:20,049 INFO L93 Difference]: Finished difference Result 673 states and 1046 transitions. [2024-11-09 07:14:20,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 07:14:20,051 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 10 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) Word has length 76 [2024-11-09 07:14:20,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:14:20,055 INFO L225 Difference]: With dead ends: 673 [2024-11-09 07:14:20,056 INFO L226 Difference]: Without dead ends: 418 [2024-11-09 07:14:20,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 127.6s TimeCoverageRelationStatistics Valid=119, Invalid=1287, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:14:20,059 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 77 mSDsluCounter, 2366 mSDsCounter, 0 mSdLazyCounter, 2644 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 2511 SdHoareTripleChecker+Invalid, 2656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2024-11-09 07:14:20,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 2511 Invalid, 2656 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 2644 Invalid, 0 Unknown, 0 Unchecked, 15.8s Time] [2024-11-09 07:14:20,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-09 07:14:20,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 368. [2024-11-09 07:14:20,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 267 states have (on average 1.4644194756554307) internal successors, (391), 268 states have internal predecessors, (391), 80 states have call successors, (80), 20 states have call predecessors, (80), 20 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 07:14:20,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 550 transitions. [2024-11-09 07:14:20,257 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 550 transitions. Word has length 76 [2024-11-09 07:14:20,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:14:20,257 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 550 transitions. [2024-11-09 07:14:20,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 10 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-09 07:14:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 550 transitions. [2024-11-09 07:14:20,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 07:14:20,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:14:20,261 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, 1, 1, 1, 1] [2024-11-09 07:14:20,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 07:14:20,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-09 07:14:20,462 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:14:20,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:14:20,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1119031868, now seen corresponding path program 1 times [2024-11-09 07:14:20,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:14:20,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510632624] [2024-11-09 07:14:20,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:14:20,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:14:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:14:20,623 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:14:20,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:14:20,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510632624] [2024-11-09 07:14:20,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510632624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:14:20,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748209691] [2024-11-09 07:14:20,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:14:20,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:14:20,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:14:20,627 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:14:20,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 07:14:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:14:20,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:14:20,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:14:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:14:21,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:14:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:14:21,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748209691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:14:21,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1406851644] [2024-11-09 07:14:21,134 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2024-11-09 07:14:21,135 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:14:21,135 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:14:21,135 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:14:21,136 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:15:07,018 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 07:15:07,153 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 07:15:07,287 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:16:11,261 WARN L286 SmtUtils]: Spent 10.97s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:16:22,324 WARN L286 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 438 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:16:33,595 WARN L286 SmtUtils]: Spent 9.84s on a formula simplification. DAG size of input: 442 DAG size of output: 441 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:16:55,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1406851644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:16:55,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:16:55,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2024-11-09 07:16:55,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239981590] [2024-11-09 07:16:55,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:16:55,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 07:16:55,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:16:55,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 07:16:55,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 07:16:55,699 INFO L87 Difference]: Start difference. First operand 368 states and 550 transitions. Second operand has 28 states, 20 states have (on average 2.1) internal successors, (42), 19 states have internal predecessors, (42), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 07:17:11,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:17:11,866 INFO L93 Difference]: Finished difference Result 671 states and 1031 transitions. [2024-11-09 07:17:11,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 07:17:11,867 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 20 states have (on average 2.1) internal successors, (42), 19 states have internal predecessors, (42), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 75 [2024-11-09 07:17:11,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:17:11,870 INFO L225 Difference]: With dead ends: 671 [2024-11-09 07:17:11,871 INFO L226 Difference]: Without dead ends: 416 [2024-11-09 07:17:11,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 192 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 116.4s TimeCoverageRelationStatistics Valid=124, Invalid=1066, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 07:17:11,873 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 20 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 1800 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1973 SdHoareTripleChecker+Invalid, 1809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:17:11,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 1973 Invalid, 1809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1800 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2024-11-09 07:17:11,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-09 07:17:12,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 388. [2024-11-09 07:17:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 287 states have (on average 1.4668989547038327) internal successors, (421), 288 states have internal predecessors, (421), 80 states have call successors, (80), 20 states have call predecessors, (80), 20 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 07:17:12,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 580 transitions. [2024-11-09 07:17:12,019 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 580 transitions. Word has length 75 [2024-11-09 07:17:12,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:17:12,020 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 580 transitions. [2024-11-09 07:17:12,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 20 states have (on average 2.1) internal successors, (42), 19 states have internal predecessors, (42), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 07:17:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 580 transitions. [2024-11-09 07:17:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 07:17:12,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:17:12,022 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:17:12,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 07:17:12,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:17:12,223 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:17:12,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:17:12,224 INFO L85 PathProgramCache]: Analyzing trace with hash -8049210, now seen corresponding path program 1 times [2024-11-09 07:17:12,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:17:12,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16761612] [2024-11-09 07:17:12,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:17:12,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:17:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:17:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 07:17:12,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:17:12,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16761612] [2024-11-09 07:17:12,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16761612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:17:12,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977660088] [2024-11-09 07:17:12,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:17:12,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:17:12,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:17:12,453 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:17:12,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 07:17:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:17:12,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:17:12,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:17:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 07:17:12,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:17:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 07:17:12,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977660088] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:17:12,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [567055969] [2024-11-09 07:17:12,916 INFO L159 IcfgInterpreter]: Started Sifa with 58 locations of interest [2024-11-09 07:17:12,917 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:17:12,917 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:17:12,918 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:17:12,918 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:17:51,321 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 07:17:51,522 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 419 for LOIs [2024-11-09 07:17:52,871 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:18:15,287 WARN L286 SmtUtils]: Spent 7.05s on a formula simplification. DAG size of input: 419 DAG size of output: 420 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:18:25,857 WARN L286 SmtUtils]: Spent 9.96s on a formula simplification. DAG size of input: 443 DAG size of output: 439 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:19:15,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [567055969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:15,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:19:15,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [6, 5, 5] total 35 [2024-11-09 07:19:15,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497745748] [2024-11-09 07:19:15,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:15,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 07:19:15,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:15,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 07:19:15,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1081, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 07:19:15,803 INFO L87 Difference]: Start difference. First operand 388 states and 580 transitions. Second operand has 27 states, 18 states have (on average 2.111111111111111) internal successors, (38), 17 states have internal predecessors, (38), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 07:19:29,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:29,644 INFO L93 Difference]: Finished difference Result 755 states and 1163 transitions. [2024-11-09 07:19:29,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 07:19:29,645 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.111111111111111) internal successors, (38), 17 states have internal predecessors, (38), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 78 [2024-11-09 07:19:29,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:29,647 INFO L225 Difference]: With dead ends: 755 [2024-11-09 07:19:29,648 INFO L226 Difference]: Without dead ends: 460 [2024-11-09 07:19:29,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 204 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 87.7s TimeCoverageRelationStatistics Valid=138, Invalid=1268, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:19:29,650 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 112 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 2301 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 2355 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:29,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 2355 Invalid, 2322 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 2301 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2024-11-09 07:19:29,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-09 07:19:29,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 397. [2024-11-09 07:19:29,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 294 states have (on average 1.4557823129251701) internal successors, (428), 295 states have internal predecessors, (428), 81 states have call successors, (81), 21 states have call predecessors, (81), 21 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 07:19:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 589 transitions. [2024-11-09 07:19:29,817 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 589 transitions. Word has length 78 [2024-11-09 07:19:29,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:29,818 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 589 transitions. [2024-11-09 07:19:29,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.111111111111111) internal successors, (38), 17 states have internal predecessors, (38), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 07:19:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 589 transitions. [2024-11-09 07:19:29,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 07:19:29,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:29,820 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:29,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 07:19:30,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:19:30,022 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:19:30,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:30,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1242361849, now seen corresponding path program 1 times [2024-11-09 07:19:30,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:30,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392373320] [2024-11-09 07:19:30,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:30,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:19:30,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:30,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392373320] [2024-11-09 07:19:30,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392373320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:19:30,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128538974] [2024-11-09 07:19:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:30,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:19:30,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:19:30,239 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:19:30,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_762d7a4a-1322-4d0c-b094-8178c7174658/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 07:19:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:30,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:19:30,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:19:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:19:30,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:19:30,748 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 07:19:30,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128538974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:19:30,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [814809443] [2024-11-09 07:19:30,754 INFO L159 IcfgInterpreter]: Started Sifa with 65 locations of interest [2024-11-09 07:19:30,754 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:19:30,754 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:19:30,754 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:19:30,755 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs