./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/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_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/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_65e5473f-e3ae-414b-822c-66baa2ce18fc/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 67a5f870249755b02192cafa5b1141561e5c0ebfbfae7faed4cfc72be0ad5c3d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:02:02,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:02:02,815 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:02:02,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:02:02,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:02:02,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:02:02,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:02:02,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:02:02,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:02:02,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:02:02,863 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:02:02,863 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:02:02,864 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:02:02,869 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:02:02,870 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:02:02,871 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:02:02,871 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:02:02,871 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:02:02,872 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:02:02,872 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:02:02,873 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:02:02,874 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:02:02,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:02:02,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:02:02,879 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:02:02,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:02:02,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:02:02,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:02:02,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:02:02,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:02:02,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:02:02,884 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:02:02,885 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:02:02,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:02:02,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:02:02,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:02:02,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:02:02,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:02:02,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:02:02,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:02:02,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:02:02,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:02:02,890 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:02:02,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:02:02,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:02:02,892 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:02:02,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:02:02,892 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_65e5473f-e3ae-414b-822c-66baa2ce18fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67a5f870249755b02192cafa5b1141561e5c0ebfbfae7faed4cfc72be0ad5c3d [2024-11-09 07:02:03,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:02:03,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:02:03,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:02:03,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:02:03,275 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:02:03,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec6_product32.cil.c Unable to find full path for "g++" [2024-11-09 07:02:05,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:02:06,466 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:02:06,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/sv-benchmarks/c/product-lines/email_spec6_product32.cil.c [2024-11-09 07:02:06,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/data/63dc5791e/efb89de8b09b4e37b1fc8d7eb0ccbfd0/FLAG8dd3b4c48 [2024-11-09 07:02:06,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/data/63dc5791e/efb89de8b09b4e37b1fc8d7eb0ccbfd0 [2024-11-09 07:02:06,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:02:06,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:02:06,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:02:06,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:02:06,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:02:06,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:02:06" (1/1) ... [2024-11-09 07:02:06,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40194653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:06, skipping insertion in model container [2024-11-09 07:02:06,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:02:06" (1/1) ... [2024-11-09 07:02:06,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:02:07,349 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_65e5473f-e3ae-414b-822c-66baa2ce18fc/sv-benchmarks/c/product-lines/email_spec6_product32.cil.c[40215,40228] [2024-11-09 07:02:07,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:02:07,662 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:02:07,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-11-09 07:02:07,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [277] [2024-11-09 07:02:07,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1357] [2024-11-09 07:02:07,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1769] [2024-11-09 07:02:07,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1778] [2024-11-09 07:02:07,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1796] [2024-11-09 07:02:07,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2162] [2024-11-09 07:02:07,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2586] [2024-11-09 07:02:07,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2624] [2024-11-09 07:02:07,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2670] [2024-11-09 07:02:07,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2958] [2024-11-09 07:02:07,831 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_65e5473f-e3ae-414b-822c-66baa2ce18fc/sv-benchmarks/c/product-lines/email_spec6_product32.cil.c[40215,40228] [2024-11-09 07:02:07,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:02:07,946 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:02:07,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07 WrapperNode [2024-11-09 07:02:07,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:02:07,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:02:07,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:02:07,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:02:07,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (1/1) ... [2024-11-09 07:02:07,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (1/1) ... [2024-11-09 07:02:08,068 INFO L138 Inliner]: procedures = 135, calls = 224, calls flagged for inlining = 62, calls inlined = 54, statements flattened = 1011 [2024-11-09 07:02:08,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:02:08,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:02:08,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:02:08,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:02:08,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (1/1) ... [2024-11-09 07:02:08,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (1/1) ... [2024-11-09 07:02:08,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (1/1) ... [2024-11-09 07:02:08,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (1/1) ... [2024-11-09 07:02:08,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (1/1) ... [2024-11-09 07:02:08,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (1/1) ... [2024-11-09 07:02:08,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (1/1) ... [2024-11-09 07:02:08,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (1/1) ... [2024-11-09 07:02:08,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:02:08,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:02:08,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:02:08,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:02:08,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (1/1) ... [2024-11-09 07:02:08,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:02:08,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:02:08,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:02:08,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:02:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 07:02:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 07:02:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 07:02:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 07:02:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 07:02:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 07:02:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 07:02:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 07:02:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 07:02:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 07:02:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 07:02:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 07:02:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 07:02:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 07:02:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 07:02:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 07:02:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 07:02:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 07:02:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 07:02:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 07:02:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 07:02:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 07:02:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 07:02:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 07:02:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 07:02:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 07:02:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 07:02:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 07:02:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 07:02:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 07:02:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:02:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 07:02:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 07:02:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 07:02:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 07:02:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 07:02:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 07:02:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 07:02:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 07:02:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 07:02:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 07:02:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 07:02:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 07:02:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 07:02:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 07:02:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 07:02:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 07:02:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 07:02:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 07:02:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 07:02:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 07:02:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 07:02:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 07:02:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:02:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 07:02:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 07:02:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 07:02:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 07:02:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:02:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:02:08,609 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:02:08,612 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:02:10,283 INFO L? ?]: Removed 541 outVars from TransFormulas that were not future-live. [2024-11-09 07:02:10,284 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:02:11,440 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:02:11,441 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:02:11,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:11 BoogieIcfgContainer [2024-11-09 07:02:11,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:02:11,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:02:11,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:02:11,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:02:11,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:02:06" (1/3) ... [2024-11-09 07:02:11,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48064caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:02:11, skipping insertion in model container [2024-11-09 07:02:11,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:02:07" (2/3) ... [2024-11-09 07:02:11,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48064caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:02:11, skipping insertion in model container [2024-11-09 07:02:11,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:02:11" (3/3) ... [2024-11-09 07:02:11,458 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product32.cil.c [2024-11-09 07:02:11,483 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:02:11,483 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:02:11,602 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:02:11,615 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;@2f19cdac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:02:11,615 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:02:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 131 states have internal predecessors, (164), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-09 07:02:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 07:02:11,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:02:11,649 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:11,649 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:02:11,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:11,657 INFO L85 PathProgramCache]: Analyzing trace with hash 932563184, now seen corresponding path program 1 times [2024-11-09 07:02:11,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:02:11,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414935051] [2024-11-09 07:02:11,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:11,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:02:12,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:02:12,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414935051] [2024-11-09 07:02:12,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414935051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:12,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:12,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:02:12,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671579659] [2024-11-09 07:02:12,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:12,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:02:12,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:02:12,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:02:12,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:02:12,370 INFO L87 Difference]: Start difference. First operand has 223 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 131 states have internal predecessors, (164), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 07:02:12,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:02:12,569 INFO L93 Difference]: Finished difference Result 354 states and 467 transitions. [2024-11-09 07:02:12,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:02:12,573 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 87 [2024-11-09 07:02:12,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:02:12,598 INFO L225 Difference]: With dead ends: 354 [2024-11-09 07:02:12,598 INFO L226 Difference]: Without dead ends: 220 [2024-11-09 07:02:12,606 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 07:02:12,611 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:02:12,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:02:12,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-09 07:02:12,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-09 07:02:12,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 128 states have internal predecessors, (158), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-09 07:02:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 291 transitions. [2024-11-09 07:02:12,712 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 291 transitions. Word has length 87 [2024-11-09 07:02:12,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:02:12,717 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 291 transitions. [2024-11-09 07:02:12,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 07:02:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 291 transitions. [2024-11-09 07:02:12,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 07:02:12,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:02:12,724 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:12,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:02:12,724 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:02:12,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:12,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1798775201, now seen corresponding path program 1 times [2024-11-09 07:02:12,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:02:12,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502531549] [2024-11-09 07:02:12,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:12,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:02:13,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:02:13,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502531549] [2024-11-09 07:02:13,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502531549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:13,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:13,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:02:13,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089371021] [2024-11-09 07:02:13,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:13,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:13,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:02:13,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:13,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:13,168 INFO L87 Difference]: Start difference. First operand 220 states and 291 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 07:02:13,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:02:13,402 INFO L93 Difference]: Finished difference Result 350 states and 452 transitions. [2024-11-09 07:02:13,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:13,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 88 [2024-11-09 07:02:13,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:02:13,409 INFO L225 Difference]: With dead ends: 350 [2024-11-09 07:02:13,409 INFO L226 Difference]: Without dead ends: 222 [2024-11-09 07:02:13,411 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 07:02:13,413 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 0 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:02:13,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:02:13,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-09 07:02:13,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-09 07:02:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 126 states have (on average 1.2698412698412698) internal successors, (160), 130 states have internal predecessors, (160), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-09 07:02:13,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 293 transitions. [2024-11-09 07:02:13,441 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 293 transitions. Word has length 88 [2024-11-09 07:02:13,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:02:13,441 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 293 transitions. [2024-11-09 07:02:13,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 07:02:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 293 transitions. [2024-11-09 07:02:13,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 07:02:13,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:02:13,446 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:13,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:02:13,447 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:02:13,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:13,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1210157719, now seen corresponding path program 1 times [2024-11-09 07:02:13,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:02:13,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837642973] [2024-11-09 07:02:13,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:13,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:13,723 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:02:13,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:02:13,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837642973] [2024-11-09 07:02:13,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837642973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:02:13,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:02:13,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:02:13,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456963385] [2024-11-09 07:02:13,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:02:13,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:02:13,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:02:13,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:02:13,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:02:13,731 INFO L87 Difference]: Start difference. First operand 222 states and 293 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 07:02:13,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:02:13,949 INFO L93 Difference]: Finished difference Result 479 states and 653 transitions. [2024-11-09 07:02:13,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:02:13,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 93 [2024-11-09 07:02:13,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:02:13,954 INFO L225 Difference]: With dead ends: 479 [2024-11-09 07:02:13,956 INFO L226 Difference]: Without dead ends: 275 [2024-11-09 07:02:13,959 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 07:02:13,960 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 59 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:02:13,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 506 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:02:13,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-09 07:02:13,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 270. [2024-11-09 07:02:13,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 160 states have (on average 1.34375) internal successors, (215), 164 states have internal predecessors, (215), 81 states have call successors, (81), 28 states have call predecessors, (81), 28 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 07:02:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 376 transitions. [2024-11-09 07:02:13,988 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 376 transitions. Word has length 93 [2024-11-09 07:02:13,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:02:13,989 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 376 transitions. [2024-11-09 07:02:13,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 07:02:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 376 transitions. [2024-11-09 07:02:13,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 07:02:13,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:02:13,993 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:02:13,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:02:13,994 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:02:13,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:02:13,995 INFO L85 PathProgramCache]: Analyzing trace with hash -396659596, now seen corresponding path program 1 times [2024-11-09 07:02:13,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:02:13,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246401318] [2024-11-09 07:02:13,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:13,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:02:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:02:14,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:02:14,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246401318] [2024-11-09 07:02:14,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246401318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:02:14,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138604261] [2024-11-09 07:02:14,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:02:14,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:02:14,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:02:14,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:02:14,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:02:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:02:15,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:02:15,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:02:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:02:15,152 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:02:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:02:15,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138604261] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:02:15,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1136755483] [2024-11-09 07:02:15,373 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2024-11-09 07:02:15,373 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:02:15,378 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:02:15,385 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:02:15,386 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:02:56,940 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2024-11-09 07:02:57,178 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 07:02:57,439 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:04:08,178 WARN L286 SmtUtils]: Spent 11.89s on a formula simplification. DAG size of input: 469 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:04:21,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1136755483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:04:21,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:04:21,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 07:04:21,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173701584] [2024-11-09 07:04:21,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:04:21,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 07:04:21,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:04:21,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 07:04:21,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 07:04:21,683 INFO L87 Difference]: Start difference. First operand 270 states and 376 transitions. Second operand has 23 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 07:04:36,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:04:36,604 INFO L93 Difference]: Finished difference Result 555 states and 790 transitions. [2024-11-09 07:04:36,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 07:04:36,606 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 94 [2024-11-09 07:04:36,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:04:36,610 INFO L225 Difference]: With dead ends: 555 [2024-11-09 07:04:36,610 INFO L226 Difference]: Without dead ends: 303 [2024-11-09 07:04:36,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 87.8s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-09 07:04:36,614 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 26 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 2098 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:04:36,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3233 Invalid, 2108 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2098 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2024-11-09 07:04:36,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-09 07:04:36,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 293. [2024-11-09 07:04:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 182 states have (on average 1.3626373626373627) internal successors, (248), 186 states have internal predecessors, (248), 81 states have call successors, (81), 29 states have call predecessors, (81), 29 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 07:04:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 409 transitions. [2024-11-09 07:04:36,724 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 409 transitions. Word has length 94 [2024-11-09 07:04:36,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:04:36,725 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 409 transitions. [2024-11-09 07:04:36,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 07:04:36,726 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 409 transitions. [2024-11-09 07:04:36,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 07:04:36,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:04:36,729 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:04:36,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:04:36,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:04:36,930 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:04:36,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:04:36,931 INFO L85 PathProgramCache]: Analyzing trace with hash -552126273, now seen corresponding path program 1 times [2024-11-09 07:04:36,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:04:36,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459227242] [2024-11-09 07:04:36,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:36,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:04:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:04:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 07:04:37,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:04:37,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459227242] [2024-11-09 07:04:37,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459227242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:04:37,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:04:37,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:04:37,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887655219] [2024-11-09 07:04:37,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:04:37,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:04:37,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:04:37,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:04:37,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:04:37,094 INFO L87 Difference]: Start difference. First operand 293 states and 409 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 07:04:37,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:04:37,372 INFO L93 Difference]: Finished difference Result 689 states and 998 transitions. [2024-11-09 07:04:37,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:04:37,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 110 [2024-11-09 07:04:37,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:04:37,377 INFO L225 Difference]: With dead ends: 689 [2024-11-09 07:04:37,377 INFO L226 Difference]: Without dead ends: 420 [2024-11-09 07:04:37,379 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 07:04:37,380 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 57 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:04:37,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 511 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:04:37,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-09 07:04:37,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 415. [2024-11-09 07:04:37,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 273 states have (on average 1.4212454212454213) internal successors, (388), 277 states have internal predecessors, (388), 112 states have call successors, (112), 29 states have call predecessors, (112), 29 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-09 07:04:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 611 transitions. [2024-11-09 07:04:37,519 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 611 transitions. Word has length 110 [2024-11-09 07:04:37,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:04:37,519 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 611 transitions. [2024-11-09 07:04:37,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 07:04:37,520 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 611 transitions. [2024-11-09 07:04:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 07:04:37,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:04:37,525 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:04:37,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:04:37,526 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:04:37,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:04:37,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1536913302, now seen corresponding path program 1 times [2024-11-09 07:04:37,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:04:37,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23431569] [2024-11-09 07:04:37,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:37,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:04:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:04:37,754 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 07:04:37,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:04:37,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23431569] [2024-11-09 07:04:37,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23431569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:04:37,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755854160] [2024-11-09 07:04:37,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:37,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:04:37,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:04:37,758 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:04:37,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 07:04:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:04:38,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:04:38,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:04:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 07:04:38,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:04:38,494 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 07:04:38,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755854160] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:04:38,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1872108050] [2024-11-09 07:04:38,500 INFO L159 IcfgInterpreter]: Started Sifa with 83 locations of interest [2024-11-09 07:04:38,500 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:04:38,501 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:04:38,501 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:04:38,502 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:05:22,159 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2024-11-09 07:05:22,335 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 453 for LOIs [2024-11-09 07:05:24,049 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:05:53,452 WARN L286 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 453 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:06:07,157 WARN L286 SmtUtils]: Spent 13.34s on a formula simplification. DAG size of input: 477 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:06:55,038 WARN L286 SmtUtils]: Spent 11.62s on a formula simplification. DAG size of input: 470 DAG size of output: 470 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:07:15,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1872108050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:07:15,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:07:15,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 07:07:15,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679138549] [2024-11-09 07:07:15,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:07:15,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 07:07:15,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:07:15,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 07:07:15,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=886, Unknown=0, NotChecked=0, Total=992 [2024-11-09 07:07:15,988 INFO L87 Difference]: Start difference. First operand 415 states and 611 transitions. Second operand has 27 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 17 states have internal predecessors, (50), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-09 07:07:32,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:07:32,600 INFO L93 Difference]: Finished difference Result 842 states and 1267 transitions. [2024-11-09 07:07:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 07:07:32,601 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 17 states have internal predecessors, (50), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) Word has length 100 [2024-11-09 07:07:32,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:07:32,605 INFO L225 Difference]: With dead ends: 842 [2024-11-09 07:07:32,605 INFO L226 Difference]: Without dead ends: 490 [2024-11-09 07:07:32,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 116.4s TimeCoverageRelationStatistics Valid=114, Invalid=942, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 07:07:32,608 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 110 mSDsluCounter, 3233 mSDsCounter, 0 mSdLazyCounter, 2376 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 3468 SdHoareTripleChecker+Invalid, 2390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-11-09 07:07:32,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 3468 Invalid, 2390 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 2376 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2024-11-09 07:07:32,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-09 07:07:32,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 429. [2024-11-09 07:07:32,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 285 states have (on average 1.4210526315789473) internal successors, (405), 289 states have internal predecessors, (405), 113 states have call successors, (113), 30 states have call predecessors, (113), 30 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-09 07:07:32,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 630 transitions. [2024-11-09 07:07:32,761 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 630 transitions. Word has length 100 [2024-11-09 07:07:32,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:07:32,762 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 630 transitions. [2024-11-09 07:07:32,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 17 states have internal predecessors, (50), 8 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-09 07:07:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 630 transitions. [2024-11-09 07:07:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 07:07:32,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:07:32,766 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:07:32,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 07:07:32,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:07:32,967 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:07:32,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:07:32,968 INFO L85 PathProgramCache]: Analyzing trace with hash 410321721, now seen corresponding path program 1 times [2024-11-09 07:07:32,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:07:32,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821042186] [2024-11-09 07:07:32,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:07:32,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:07:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:07:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:07:33,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:07:33,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821042186] [2024-11-09 07:07:33,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821042186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:07:33,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745017662] [2024-11-09 07:07:33,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:07:33,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:07:33,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:07:33,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:07:33,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 07:07:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:07:33,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:07:33,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:07:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:07:33,712 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:07:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:07:33,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745017662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:07:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1153013972] [2024-11-09 07:07:33,831 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2024-11-09 07:07:33,831 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:07:33,832 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:07:33,832 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:07:33,832 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:08:45,130 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2024-11-09 07:08:45,267 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 499 for LOIs [2024-11-09 07:08:46,348 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 508 for LOIs [2024-11-09 07:08:47,645 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 221 for LOIs [2024-11-09 07:08:47,793 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 07:08:47,979 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:10:03,541 WARN L286 SmtUtils]: Spent 16.59s on a formula simplification. DAG size of input: 528 DAG size of output: 523 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:10:20,824 WARN L286 SmtUtils]: Spent 6.97s on a formula simplification. DAG size of input: 514 DAG size of output: 510 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:10:28,017 WARN L286 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 508 DAG size of output: 504 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:10:35,024 WARN L286 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 508 DAG size of output: 504 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:10:42,488 WARN L286 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 504 DAG size of output: 500 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:10:49,582 WARN L286 SmtUtils]: Spent 6.41s on a formula simplification. DAG size of input: 499 DAG size of output: 495 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:10:56,924 WARN L286 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 499 DAG size of output: 495 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:11:04,299 WARN L286 SmtUtils]: Spent 6.55s on a formula simplification. DAG size of input: 495 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:11:04,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1153013972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:11:04,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:11:04,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 07:11:04,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583010657] [2024-11-09 07:11:04,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:11:04,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 07:11:04,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:11:04,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 07:11:04,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1287, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:11:04,307 INFO L87 Difference]: Start difference. First operand 429 states and 630 transitions. Second operand has 33 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 10 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-09 07:11:21,897 WARN L286 SmtUtils]: Spent 6.78s on a formula simplification. DAG size of input: 531 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:11:40,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:11:40,452 INFO L93 Difference]: Finished difference Result 873 states and 1312 transitions. [2024-11-09 07:11:40,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-09 07:11:40,453 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 10 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) Word has length 103 [2024-11-09 07:11:40,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:11:40,459 INFO L225 Difference]: With dead ends: 873 [2024-11-09 07:11:40,459 INFO L226 Difference]: Without dead ends: 521 [2024-11-09 07:11:40,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 147.8s TimeCoverageRelationStatistics Valid=130, Invalid=1430, Unknown=0, NotChecked=0, Total=1560 [2024-11-09 07:11:40,462 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 84 mSDsluCounter, 3693 mSDsCounter, 0 mSdLazyCounter, 3780 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 3929 SdHoareTripleChecker+Invalid, 3792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 3780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:11:40,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 3929 Invalid, 3792 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 3780 Invalid, 0 Unknown, 0 Unchecked, 24.2s Time] [2024-11-09 07:11:40,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-09 07:11:40,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 465. [2024-11-09 07:11:40,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 315 states have (on average 1.4190476190476191) internal successors, (447), 319 states have internal predecessors, (447), 116 states have call successors, (116), 33 states have call predecessors, (116), 33 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-09 07:11:40,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 678 transitions. [2024-11-09 07:11:40,634 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 678 transitions. Word has length 103 [2024-11-09 07:11:40,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:11:40,635 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 678 transitions. [2024-11-09 07:11:40,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 10 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-09 07:11:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 678 transitions. [2024-11-09 07:11:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 07:11:40,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:11:40,639 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:11:40,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 07:11:40,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:11:40,844 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:11:40,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:11:40,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1575604835, now seen corresponding path program 1 times [2024-11-09 07:11:40,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:11:40,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624514173] [2024-11-09 07:11:40,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:11:40,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:11:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:11:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:11:41,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:11:41,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624514173] [2024-11-09 07:11:41,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624514173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:11:41,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369968343] [2024-11-09 07:11:41,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:11:41,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:11:41,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:11:41,052 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:11:41,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 07:11:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:11:41,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:11:41,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:11:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:11:41,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:11:41,779 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:11:41,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369968343] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:11:41,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1633376762] [2024-11-09 07:11:41,787 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2024-11-09 07:11:41,788 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:11:41,789 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:11:41,789 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:11:41,790 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:12:34,760 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2024-11-09 07:12:34,916 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 240 for LOIs [2024-11-09 07:12:35,116 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:13:52,790 WARN L286 SmtUtils]: Spent 13.45s on a formula simplification. DAG size of input: 468 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:14:11,135 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 471 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:14:17,040 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 467 DAG size of output: 465 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:14:23,009 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 471 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:14:28,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1633376762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:14:28,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:14:28,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2024-11-09 07:14:28,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196977707] [2024-11-09 07:14:28,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:14:28,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 07:14:28,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:14:28,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 07:14:28,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=948, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 07:14:28,125 INFO L87 Difference]: Start difference. First operand 465 states and 678 transitions. Second operand has 28 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 07:14:40,193 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 473 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:14:46,273 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 473 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:14:52,757 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 473 DAG size of output: 469 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:15:00,314 WARN L286 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 472 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:15:08,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:15:08,724 INFO L93 Difference]: Finished difference Result 866 states and 1289 transitions. [2024-11-09 07:15:08,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 07:15:08,725 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 102 [2024-11-09 07:15:08,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:15:08,729 INFO L225 Difference]: With dead ends: 866 [2024-11-09 07:15:08,729 INFO L226 Difference]: Without dead ends: 514 [2024-11-09 07:15:08,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 275 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 140.4s TimeCoverageRelationStatistics Valid=140, Invalid=1266, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:15:08,732 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 43 mSDsluCounter, 3086 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3311 SdHoareTripleChecker+Invalid, 2478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-09 07:15:08,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3311 Invalid, 2478 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2024-11-09 07:15:08,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-09 07:15:08,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 485. [2024-11-09 07:15:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 335 states have (on average 1.4238805970149253) internal successors, (477), 339 states have internal predecessors, (477), 116 states have call successors, (116), 33 states have call predecessors, (116), 33 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-09 07:15:08,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 708 transitions. [2024-11-09 07:15:08,956 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 708 transitions. Word has length 102 [2024-11-09 07:15:08,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:15:08,957 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 708 transitions. [2024-11-09 07:15:08,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 20 states have (on average 2.75) internal successors, (55), 19 states have internal predecessors, (55), 7 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-09 07:15:08,958 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 708 transitions. [2024-11-09 07:15:08,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 07:15:08,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:15:08,968 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:15:08,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 07:15:09,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:15:09,169 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:15:09,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:15:09,169 INFO L85 PathProgramCache]: Analyzing trace with hash 859003730, now seen corresponding path program 1 times [2024-11-09 07:15:09,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:15:09,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005320854] [2024-11-09 07:15:09,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:09,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:15:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:09,961 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 07:15:09,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:15:09,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005320854] [2024-11-09 07:15:09,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005320854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:15:09,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:15:09,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 07:15:09,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518916341] [2024-11-09 07:15:09,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:15:09,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 07:15:09,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:15:09,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 07:15:09,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-09 07:15:09,965 INFO L87 Difference]: Start difference. First operand 485 states and 708 transitions. Second operand has 12 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 5 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-09 07:15:11,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:15:11,716 INFO L93 Difference]: Finished difference Result 948 states and 1368 transitions. [2024-11-09 07:15:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 07:15:11,717 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 5 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 116 [2024-11-09 07:15:11,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:15:11,724 INFO L225 Difference]: With dead ends: 948 [2024-11-09 07:15:11,724 INFO L226 Difference]: Without dead ends: 825 [2024-11-09 07:15:11,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-09 07:15:11,727 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 400 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1698 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:15:11,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1698 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 07:15:11,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-11-09 07:15:11,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 818. [2024-11-09 07:15:11,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 546 states have (on average 1.434065934065934) internal successors, (783), 554 states have internal predecessors, (783), 213 states have call successors, (213), 59 states have call predecessors, (213), 58 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2024-11-09 07:15:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1205 transitions. [2024-11-09 07:15:11,998 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1205 transitions. Word has length 116 [2024-11-09 07:15:11,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:15:11,998 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1205 transitions. [2024-11-09 07:15:11,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 5 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-09 07:15:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1205 transitions. [2024-11-09 07:15:12,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 07:15:12,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:15:12,003 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:15:12,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 07:15:12,004 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:15:12,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:15:12,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1795901335, now seen corresponding path program 1 times [2024-11-09 07:15:12,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:15:12,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893817707] [2024-11-09 07:15:12,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:12,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:15:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:13,053 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 07:15:13,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:15:13,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893817707] [2024-11-09 07:15:13,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893817707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:15:13,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:15:13,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-09 07:15:13,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052100513] [2024-11-09 07:15:13,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:15:13,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 07:15:13,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:15:13,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 07:15:13,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-09 07:15:13,057 INFO L87 Difference]: Start difference. First operand 818 states and 1205 transitions. Second operand has 16 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 10 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (19), 9 states have call predecessors, (19), 9 states have call successors, (19) [2024-11-09 07:15:15,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:15:15,659 INFO L93 Difference]: Finished difference Result 1809 states and 2481 transitions. [2024-11-09 07:15:15,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 07:15:15,660 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 10 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (19), 9 states have call predecessors, (19), 9 states have call successors, (19) Word has length 105 [2024-11-09 07:15:15,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:15:15,674 INFO L225 Difference]: With dead ends: 1809 [2024-11-09 07:15:15,674 INFO L226 Difference]: Without dead ends: 1565 [2024-11-09 07:15:15,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=791, Unknown=0, NotChecked=0, Total=930 [2024-11-09 07:15:15,680 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 508 mSDsluCounter, 2698 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 2987 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 07:15:15,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 2987 Invalid, 2720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 07:15:15,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2024-11-09 07:15:16,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1541. [2024-11-09 07:15:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 947 states have (on average 1.3273495248152059) internal successors, (1257), 972 states have internal predecessors, (1257), 429 states have call successors, (429), 162 states have call predecessors, (429), 164 states have return successors, (439), 414 states have call predecessors, (439), 411 states have call successors, (439) [2024-11-09 07:15:16,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2125 transitions. [2024-11-09 07:15:16,052 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2125 transitions. Word has length 105 [2024-11-09 07:15:16,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:15:16,053 INFO L471 AbstractCegarLoop]: Abstraction has 1541 states and 2125 transitions. [2024-11-09 07:15:16,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 10 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (19), 9 states have call predecessors, (19), 9 states have call successors, (19) [2024-11-09 07:15:16,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2125 transitions. [2024-11-09 07:15:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 07:15:16,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:15:16,058 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:15:16,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 07:15:16,059 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:15:16,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:15:16,059 INFO L85 PathProgramCache]: Analyzing trace with hash -45956111, now seen corresponding path program 1 times [2024-11-09 07:15:16,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:15:16,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026286625] [2024-11-09 07:15:16,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:16,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:15:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 07:15:16,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:15:16,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026286625] [2024-11-09 07:15:16,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026286625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:15:16,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630399964] [2024-11-09 07:15:16,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:16,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:15:16,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:15:16,382 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:15:16,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e5473f-e3ae-414b-822c-66baa2ce18fc/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 07:15:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:16,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:15:16,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:15:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 07:15:17,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:15:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 07:15:17,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630399964] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:15:17,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1210237895] [2024-11-09 07:15:17,139 INFO L159 IcfgInterpreter]: Started Sifa with 89 locations of interest [2024-11-09 07:15:17,140 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:15:17,140 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:15:17,140 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:15:17,141 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:16:08,536 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2024-11-09 07:16:08,695 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 455 for LOIs