./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b54f48e5606af61de5b12570bc2e15a173e4036917e2e3bdec28cef1386724b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:19:15,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:19:15,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:19:15,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:19:15,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:19:15,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:19:15,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:19:15,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:19:15,604 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:19:15,604 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:19:15,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:19:15,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:19:15,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:19:15,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:19:15,605 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:19:15,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:19:15,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:19:15,606 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:19:15,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:19:15,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:19:15,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:19:15,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:19:15,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:19:15,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:19:15,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:19:15,607 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:19:15,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:19:15,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:19:15,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:19:15,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:19:15,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:19:15,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:19:15,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:19:15,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:19:15,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:19:15,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:19:15,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:19:15,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:19:15,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:19:15,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:19:15,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:19:15,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:19:15,609 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 -> 6b54f48e5606af61de5b12570bc2e15a173e4036917e2e3bdec28cef1386724b [2024-11-13 14:19:15,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:19:15,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:19:16,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:19:16,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:19:16,003 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:19:16,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/email_spec27_product32.cil.c Unable to find full path for "g++" [2024-11-13 14:19:18,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:19:18,974 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:19:18,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/sv-benchmarks/c/product-lines/email_spec27_product32.cil.c [2024-11-13 14:19:19,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/data/998c9c36b/b4abf91959a54293a1cc4f2ca7f8a2d4/FLAG0357e7676 [2024-11-13 14:19:19,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/data/998c9c36b/b4abf91959a54293a1cc4f2ca7f8a2d4 [2024-11-13 14:19:19,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:19:19,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:19:19,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:19:19,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:19:19,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:19:19,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:19:19" (1/1) ... [2024-11-13 14:19:19,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6671a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:19, skipping insertion in model container [2024-11-13 14:19:19,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:19:19" (1/1) ... [2024-11-13 14:19:19,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:19:19,625 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_65e14519-24cf-4d7b-b04f-bd8b63d54d16/sv-benchmarks/c/product-lines/email_spec27_product32.cil.c[27975,27988] [2024-11-13 14:19:20,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:19:20,040 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:19:20,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2024-11-13 14:19:20,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [1128] [2024-11-13 14:19:20,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1174] [2024-11-13 14:19:20,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1183] [2024-11-13 14:19:20,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1201] [2024-11-13 14:19:20,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1567] [2024-11-13 14:19:20,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1875] [2024-11-13 14:19:20,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2287] [2024-11-13 14:19:20,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2685] [2024-11-13 14:19:20,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2720] [2024-11-13 14:19:20,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2856] [2024-11-13 14:19:20,151 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_65e14519-24cf-4d7b-b04f-bd8b63d54d16/sv-benchmarks/c/product-lines/email_spec27_product32.cil.c[27975,27988] [2024-11-13 14:19:20,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:19:20,297 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:19:20,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20 WrapperNode [2024-11-13 14:19:20,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:19:20,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:19:20,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:19:20,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:19:20,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,403 INFO L138 Inliner]: procedures = 134, calls = 220, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 991 [2024-11-13 14:19:20,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:19:20,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:19:20,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:19:20,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:19:20,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,440 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,474 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-13 14:19:20,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:19:20,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:19:20,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:19:20,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:19:20,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (1/1) ... [2024-11-13 14:19:20,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:19:20,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:20,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:20,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:19:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-13 14:19:20,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-13 14:19:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-13 14:19:20,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-13 14:19:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-13 14:19:20,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-13 14:19:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-13 14:19:20,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-13 14:19:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-13 14:19:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-13 14:19:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-13 14:19:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-13 14:19:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-13 14:19:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-13 14:19:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-13 14:19:20,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-13 14:19:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-13 14:19:20,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-13 14:19:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-13 14:19:20,655 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-13 14:19:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-13 14:19:20,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-13 14:19:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-13 14:19:20,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-13 14:19:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-13 14:19:20,658 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-13 14:19:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-13 14:19:20,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-13 14:19:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-13 14:19:20,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-13 14:19:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:19:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-13 14:19:20,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-13 14:19:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-13 14:19:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-13 14:19:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-13 14:19:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-13 14:19:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-13 14:19:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-13 14:19:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-13 14:19:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-13 14:19:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-13 14:19:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-13 14:19:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-13 14:19:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-13 14:19:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-13 14:19:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-13 14:19:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-13 14:19:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-13 14:19:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-13 14:19:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-13 14:19:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-13 14:19:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-13 14:19:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-13 14:19:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-13 14:19:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:19:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:19:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:19:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:19:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-13 14:19:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-13 14:19:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-13 14:19:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-13 14:19:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:19:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:19:20,996 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:19:21,001 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:19:22,778 INFO L? ?]: Removed 544 outVars from TransFormulas that were not future-live. [2024-11-13 14:19:22,778 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:19:22,823 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:19:22,823 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:19:22,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:19:22 BoogieIcfgContainer [2024-11-13 14:19:22,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:19:22,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:19:22,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:19:22,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:19:22,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:19:19" (1/3) ... [2024-11-13 14:19:22,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5522c7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:19:22, skipping insertion in model container [2024-11-13 14:19:22,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:20" (2/3) ... [2024-11-13 14:19:22,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5522c7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:19:22, skipping insertion in model container [2024-11-13 14:19:22,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:19:22" (3/3) ... [2024-11-13 14:19:22,842 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product32.cil.c [2024-11-13 14:19:22,867 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:19:22,870 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec27_product32.cil.c that has 30 procedures, 432 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:19:22,994 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:19:23,015 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=PETRI_NET, 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;@76c4e2c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:19:23,015 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:19:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 432 states, 335 states have (on average 1.5492537313432835) internal successors, (519), 340 states have internal predecessors, (519), 66 states have call successors, (66), 29 states have call predecessors, (66), 29 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-13 14:19:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-13 14:19:23,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:23,080 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:23,080 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:23,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:23,088 INFO L85 PathProgramCache]: Analyzing trace with hash 884444555, now seen corresponding path program 1 times [2024-11-13 14:19:23,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:23,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660714898] [2024-11-13 14:19:23,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:23,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:19:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:19:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:19:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:19:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 14:19:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 14:19:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 14:19:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:19:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:19:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:19:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:19:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:19:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:19:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:19:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:19:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:19:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:19:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:19:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 14:19:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 14:19:24,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:24,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660714898] [2024-11-13 14:19:24,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660714898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:19:24,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539965071] [2024-11-13 14:19:24,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:24,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:24,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:24,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:19:24,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:19:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:25,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:19:25,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-13 14:19:25,472 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:19:25,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539965071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:25,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:19:25,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-13 14:19:25,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792140101] [2024-11-13 14:19:25,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:25,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:19:25,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:25,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:19:25,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:19:25,530 INFO L87 Difference]: Start difference. First operand has 432 states, 335 states have (on average 1.5492537313432835) internal successors, (519), 340 states have internal predecessors, (519), 66 states have call successors, (66), 29 states have call predecessors, (66), 29 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:19:25,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:25,658 INFO L93 Difference]: Finished difference Result 671 states and 992 transitions. [2024-11-13 14:19:25,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:19:25,661 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 170 [2024-11-13 14:19:25,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:25,678 INFO L225 Difference]: With dead ends: 671 [2024-11-13 14:19:25,678 INFO L226 Difference]: Without dead ends: 425 [2024-11-13 14:19:25,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:19:25,694 INFO L432 NwaCegarLoop]: 647 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:25,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:19:25,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-13 14:19:25,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2024-11-13 14:19:25,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 329 states have (on average 1.5440729483282676) internal successors, (508), 333 states have internal predecessors, (508), 66 states have call successors, (66), 29 states have call predecessors, (66), 29 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-13 14:19:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 639 transitions. [2024-11-13 14:19:25,795 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 639 transitions. Word has length 170 [2024-11-13 14:19:25,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:25,797 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 639 transitions. [2024-11-13 14:19:25,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:19:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 639 transitions. [2024-11-13 14:19:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-13 14:19:25,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:25,808 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:25,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:19:26,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 14:19:26,013 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:26,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:26,014 INFO L85 PathProgramCache]: Analyzing trace with hash 538331520, now seen corresponding path program 1 times [2024-11-13 14:19:26,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:26,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903263465] [2024-11-13 14:19:26,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:26,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:19:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:19:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:19:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 14:19:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:19:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 14:19:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:19:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 14:19:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-13 14:19:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:19:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:19:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:19:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 14:19:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:19:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:19:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:19:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:19:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:19:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 14:19:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 14:19:26,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:26,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903263465] [2024-11-13 14:19:26,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903263465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:19:26,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114385504] [2024-11-13 14:19:26,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:26,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:26,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:26,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:19:26,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:19:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:27,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:19:27,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:27,398 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-13 14:19:27,398 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:19:27,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114385504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:27,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:19:27,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-13 14:19:27,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201153397] [2024-11-13 14:19:27,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:27,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:27,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:27,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:27,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:19:27,402 INFO L87 Difference]: Start difference. First operand 425 states and 639 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:19:27,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:27,480 INFO L93 Difference]: Finished difference Result 661 states and 970 transitions. [2024-11-13 14:19:27,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:27,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 171 [2024-11-13 14:19:27,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:27,490 INFO L225 Difference]: With dead ends: 661 [2024-11-13 14:19:27,494 INFO L226 Difference]: Without dead ends: 428 [2024-11-13 14:19:27,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:19:27,497 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 1 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:27,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1272 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:19:27,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-13 14:19:27,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 427. [2024-11-13 14:19:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 331 states have (on average 1.540785498489426) internal successors, (510), 335 states have internal predecessors, (510), 66 states have call successors, (66), 29 states have call predecessors, (66), 29 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-13 14:19:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 641 transitions. [2024-11-13 14:19:27,556 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 641 transitions. Word has length 171 [2024-11-13 14:19:27,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:27,556 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 641 transitions. [2024-11-13 14:19:27,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:19:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 641 transitions. [2024-11-13 14:19:27,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 14:19:27,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:27,562 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:27,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:19:27,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:27,763 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:27,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:27,764 INFO L85 PathProgramCache]: Analyzing trace with hash -2010607146, now seen corresponding path program 1 times [2024-11-13 14:19:27,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:27,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780269158] [2024-11-13 14:19:27,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:27,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:19:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:19:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:19:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 14:19:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 14:19:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:19:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 14:19:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 14:19:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:19:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 14:19:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:19:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:19:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 14:19:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:19:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 14:19:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:19:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 14:19:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 14:19:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:19:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 14:19:28,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:28,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780269158] [2024-11-13 14:19:28,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780269158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:19:28,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72294512] [2024-11-13 14:19:28,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:28,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:28,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:28,437 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:19:28,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:19:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:28,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 1369 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:19:28,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:29,013 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-13 14:19:29,014 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:19:29,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72294512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:29,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:19:29,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-13 14:19:29,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432736594] [2024-11-13 14:19:29,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:29,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:29,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:29,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:29,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:19:29,017 INFO L87 Difference]: Start difference. First operand 427 states and 641 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:19:29,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:29,068 INFO L93 Difference]: Finished difference Result 902 states and 1374 transitions. [2024-11-13 14:19:29,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:29,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2024-11-13 14:19:29,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:29,074 INFO L225 Difference]: With dead ends: 902 [2024-11-13 14:19:29,074 INFO L226 Difference]: Without dead ends: 502 [2024-11-13 14:19:29,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:19:29,078 INFO L432 NwaCegarLoop]: 658 mSDtfsCounter, 134 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:29,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1251 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:19:29,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-13 14:19:29,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 494. [2024-11-13 14:19:29,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 384 states have (on average 1.5598958333333333) internal successors, (599), 388 states have internal predecessors, (599), 80 states have call successors, (80), 29 states have call predecessors, (80), 29 states have return successors, (79), 78 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-13 14:19:29,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 758 transitions. [2024-11-13 14:19:29,126 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 758 transitions. Word has length 180 [2024-11-13 14:19:29,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:29,127 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 758 transitions. [2024-11-13 14:19:29,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:19:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 758 transitions. [2024-11-13 14:19:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 14:19:29,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:29,138 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:29,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 14:19:29,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:29,343 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:29,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:29,343 INFO L85 PathProgramCache]: Analyzing trace with hash 168834643, now seen corresponding path program 1 times [2024-11-13 14:19:29,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:29,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399916686] [2024-11-13 14:19:29,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:29,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:19:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:19:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:19:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 14:19:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 14:19:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:19:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 14:19:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:19:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 14:19:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:19:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:19:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:19:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:19:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:19:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:19:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:19:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:19:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 14:19:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:19:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 14:19:29,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:29,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399916686] [2024-11-13 14:19:29,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399916686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:19:29,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059775447] [2024-11-13 14:19:29,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:29,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:29,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:29,837 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:19:29,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:19:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:30,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:19:30,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 14:19:30,519 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:19:30,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059775447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:30,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:19:30,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-13 14:19:30,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422538081] [2024-11-13 14:19:30,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:30,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:19:30,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:30,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:19:30,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:19:30,521 INFO L87 Difference]: Start difference. First operand 494 states and 758 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-13 14:19:30,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:30,653 INFO L93 Difference]: Finished difference Result 979 states and 1506 transitions. [2024-11-13 14:19:30,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:19:30,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 181 [2024-11-13 14:19:30,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:30,660 INFO L225 Difference]: With dead ends: 979 [2024-11-13 14:19:30,660 INFO L226 Difference]: Without dead ends: 496 [2024-11-13 14:19:30,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:19:30,668 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 2 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2513 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:30,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2513 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:19:30,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-13 14:19:30,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2024-11-13 14:19:30,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 385 states have (on average 1.5584415584415585) internal successors, (600), 390 states have internal predecessors, (600), 80 states have call successors, (80), 29 states have call predecessors, (80), 30 states have return successors, (81), 78 states have call predecessors, (81), 79 states have call successors, (81) [2024-11-13 14:19:30,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 761 transitions. [2024-11-13 14:19:30,716 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 761 transitions. Word has length 181 [2024-11-13 14:19:30,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:30,717 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 761 transitions. [2024-11-13 14:19:30,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-13 14:19:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 761 transitions. [2024-11-13 14:19:30,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-13 14:19:30,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:30,723 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:30,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 14:19:30,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-13 14:19:30,924 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:30,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:30,924 INFO L85 PathProgramCache]: Analyzing trace with hash 451143960, now seen corresponding path program 1 times [2024-11-13 14:19:30,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:30,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496947281] [2024-11-13 14:19:30,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:30,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:19:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 14:19:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:19:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:19:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 14:19:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:19:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 14:19:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:19:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:19:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 14:19:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 14:19:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 14:19:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:19:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:19:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-13 14:19:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:19:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 14:19:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:19:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:19:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 14:19:31,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:31,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496947281] [2024-11-13 14:19:31,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496947281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:19:31,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650533596] [2024-11-13 14:19:31,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:31,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:31,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:31,471 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:19:31,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:19:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:31,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 1375 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:19:31,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 14:19:32,078 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:19:32,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650533596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:32,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:19:32,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-13 14:19:32,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617185127] [2024-11-13 14:19:32,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:32,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:19:32,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:32,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:19:32,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:19:32,081 INFO L87 Difference]: Start difference. First operand 496 states and 761 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-13 14:19:32,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:32,187 INFO L93 Difference]: Finished difference Result 981 states and 1511 transitions. [2024-11-13 14:19:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:19:32,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 182 [2024-11-13 14:19:32,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:32,192 INFO L225 Difference]: With dead ends: 981 [2024-11-13 14:19:32,192 INFO L226 Difference]: Without dead ends: 498 [2024-11-13 14:19:32,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:19:32,196 INFO L432 NwaCegarLoop]: 629 mSDtfsCounter, 2 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2499 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:32,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2499 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:19:32,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-13 14:19:32,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2024-11-13 14:19:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 386 states have (on average 1.5569948186528497) internal successors, (601), 392 states have internal predecessors, (601), 80 states have call successors, (80), 29 states have call predecessors, (80), 31 states have return successors, (86), 78 states have call predecessors, (86), 79 states have call successors, (86) [2024-11-13 14:19:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 767 transitions. [2024-11-13 14:19:32,233 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 767 transitions. Word has length 182 [2024-11-13 14:19:32,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:32,233 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 767 transitions. [2024-11-13 14:19:32,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-13 14:19:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 767 transitions. [2024-11-13 14:19:32,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 14:19:32,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:32,238 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:32,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 14:19:32,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:32,443 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:32,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:32,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1708965354, now seen corresponding path program 1 times [2024-11-13 14:19:32,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:32,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189816335] [2024-11-13 14:19:32,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:32,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:19:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:19:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 14:19:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:19:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:19:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:19:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:19:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:19:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:19:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:19:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:19:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:19:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:19:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:19:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:19:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:19:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 14:19:32,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:32,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189816335] [2024-11-13 14:19:32,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189816335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:32,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:32,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:19:32,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815013947] [2024-11-13 14:19:32,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:32,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:19:32,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:32,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:19:32,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:19:32,866 INFO L87 Difference]: Start difference. First operand 498 states and 767 transitions. Second operand has 9 states, 8 states have (on average 12.5) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 14:19:36,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:36,470 INFO L93 Difference]: Finished difference Result 1109 states and 1730 transitions. [2024-11-13 14:19:36,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:19:36,471 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.5) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 164 [2024-11-13 14:19:36,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:36,477 INFO L225 Difference]: With dead ends: 1109 [2024-11-13 14:19:36,477 INFO L226 Difference]: Without dead ends: 634 [2024-11-13 14:19:36,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:19:36,480 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1535 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2646 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 3144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 2646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:36,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1536 Valid, 1338 Invalid, 3144 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [498 Valid, 2646 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-13 14:19:36,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-11-13 14:19:36,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 498. [2024-11-13 14:19:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 386 states have (on average 1.5569948186528497) internal successors, (601), 392 states have internal predecessors, (601), 80 states have call successors, (80), 29 states have call predecessors, (80), 31 states have return successors, (85), 78 states have call predecessors, (85), 79 states have call successors, (85) [2024-11-13 14:19:36,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 766 transitions. [2024-11-13 14:19:36,545 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 766 transitions. Word has length 164 [2024-11-13 14:19:36,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:36,546 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 766 transitions. [2024-11-13 14:19:36,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.5) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 14:19:36,546 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 766 transitions. [2024-11-13 14:19:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-13 14:19:36,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:36,551 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:36,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:19:36,552 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:36,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:36,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1375948492, now seen corresponding path program 1 times [2024-11-13 14:19:36,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:36,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169626090] [2024-11-13 14:19:36,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:36,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:19:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:19:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:19:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 14:19:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:19:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:19:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:19:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:19:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:19:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:19:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:19:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:19:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:19:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:19:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 14:19:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:19:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 14:19:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:19:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 14:19:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 14:19:36,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:36,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169626090] [2024-11-13 14:19:36,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169626090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:36,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:36,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:19:36,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327811705] [2024-11-13 14:19:36,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:36,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:19:36,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:36,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:19:36,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:19:36,939 INFO L87 Difference]: Start difference. First operand 498 states and 766 transitions. Second operand has 9 states, 8 states have (on average 13.5) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-13 14:19:40,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:40,288 INFO L93 Difference]: Finished difference Result 1111 states and 1733 transitions. [2024-11-13 14:19:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:19:40,288 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.5) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 184 [2024-11-13 14:19:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:40,294 INFO L225 Difference]: With dead ends: 1111 [2024-11-13 14:19:40,295 INFO L226 Difference]: Without dead ends: 636 [2024-11-13 14:19:40,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:19:40,298 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1591 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2550 mSolverCounterSat, 531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 3081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 2550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:40,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1592 Valid, 1338 Invalid, 3081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 2550 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-13 14:19:40,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-13 14:19:40,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 500. [2024-11-13 14:19:40,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 387 states have (on average 1.5555555555555556) internal successors, (602), 394 states have internal predecessors, (602), 80 states have call successors, (80), 29 states have call predecessors, (80), 32 states have return successors, (87), 78 states have call predecessors, (87), 79 states have call successors, (87) [2024-11-13 14:19:40,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 769 transitions. [2024-11-13 14:19:40,382 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 769 transitions. Word has length 184 [2024-11-13 14:19:40,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:40,382 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 769 transitions. [2024-11-13 14:19:40,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.5) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-13 14:19:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 769 transitions. [2024-11-13 14:19:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-13 14:19:40,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:40,387 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:40,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:19:40,387 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:40,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:40,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1741544997, now seen corresponding path program 1 times [2024-11-13 14:19:40,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:40,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971010030] [2024-11-13 14:19:40,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:40,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:19:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:19:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:19:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 14:19:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:19:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:19:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-13 14:19:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:19:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:19:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:19:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 14:19:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:19:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:19:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:19:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:19:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:19:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 14:19:40,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:40,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971010030] [2024-11-13 14:19:40,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971010030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:40,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:40,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:19:40,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425959834] [2024-11-13 14:19:40,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:40,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:19:40,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:40,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:19:40,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:19:40,754 INFO L87 Difference]: Start difference. First operand 500 states and 769 transitions. Second operand has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-13 14:19:45,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:45,014 INFO L93 Difference]: Finished difference Result 1109 states and 1728 transitions. [2024-11-13 14:19:45,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:19:45,015 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 166 [2024-11-13 14:19:45,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:45,024 INFO L225 Difference]: With dead ends: 1109 [2024-11-13 14:19:45,024 INFO L226 Difference]: Without dead ends: 636 [2024-11-13 14:19:45,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:19:45,027 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1519 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4553 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 1856 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 4553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:45,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1520 Valid, 1856 Invalid, 5044 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [491 Valid, 4553 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-13 14:19:45,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-13 14:19:45,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 500. [2024-11-13 14:19:45,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 387 states have (on average 1.5555555555555556) internal successors, (602), 394 states have internal predecessors, (602), 80 states have call successors, (80), 29 states have call predecessors, (80), 32 states have return successors, (86), 78 states have call predecessors, (86), 79 states have call successors, (86) [2024-11-13 14:19:45,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 768 transitions. [2024-11-13 14:19:45,104 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 768 transitions. Word has length 166 [2024-11-13 14:19:45,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:45,105 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 768 transitions. [2024-11-13 14:19:45,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-13 14:19:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 768 transitions. [2024-11-13 14:19:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-13 14:19:45,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:45,111 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:45,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:19:45,112 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:45,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:45,112 INFO L85 PathProgramCache]: Analyzing trace with hash 575522697, now seen corresponding path program 1 times [2024-11-13 14:19:45,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:45,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624301536] [2024-11-13 14:19:45,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:45,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:19:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:19:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:19:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 14:19:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 14:19:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:19:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:19:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:19:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:19:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:19:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:19:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:19:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:19:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 14:19:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:19:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:19:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:19:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:19:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:19:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,639 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 14:19:45,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:45,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624301536] [2024-11-13 14:19:45,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624301536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:45,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:45,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:19:45,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081129430] [2024-11-13 14:19:45,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:45,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:19:45,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:45,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:19:45,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:19:45,645 INFO L87 Difference]: Start difference. First operand 500 states and 768 transitions. Second operand has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 8 states have internal predecessors, (113), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-13 14:19:49,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:49,421 INFO L93 Difference]: Finished difference Result 1111 states and 1734 transitions. [2024-11-13 14:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:19:49,422 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 8 states have internal predecessors, (113), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 186 [2024-11-13 14:19:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:49,427 INFO L225 Difference]: With dead ends: 1111 [2024-11-13 14:19:49,428 INFO L226 Difference]: Without dead ends: 638 [2024-11-13 14:19:49,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:19:49,430 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1540 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4496 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 1855 SdHoareTripleChecker+Invalid, 4991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 4496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:49,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 1855 Invalid, 4991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 4496 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-13 14:19:49,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-13 14:19:49,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 502. [2024-11-13 14:19:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 388 states have (on average 1.5541237113402062) internal successors, (603), 396 states have internal predecessors, (603), 80 states have call successors, (80), 29 states have call predecessors, (80), 33 states have return successors, (91), 78 states have call predecessors, (91), 79 states have call successors, (91) [2024-11-13 14:19:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 774 transitions. [2024-11-13 14:19:49,486 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 774 transitions. Word has length 186 [2024-11-13 14:19:49,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:49,487 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 774 transitions. [2024-11-13 14:19:49,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 8 states have internal predecessors, (113), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-13 14:19:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 774 transitions. [2024-11-13 14:19:49,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-13 14:19:49,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:49,491 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:49,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:19:49,491 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:49,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:49,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1238417248, now seen corresponding path program 1 times [2024-11-13 14:19:49,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:49,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729716490] [2024-11-13 14:19:49,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:49,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:19:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:19:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:19:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 14:19:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 14:19:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 14:19:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:19:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:19:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:19:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:19:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:19:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 14:19:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:19:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:19:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:19:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:19:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:49,835 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 14:19:49,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:49,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729716490] [2024-11-13 14:19:49,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729716490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:19:49,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570503721] [2024-11-13 14:19:49,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:49,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:49,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:49,839 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:19:49,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 14:19:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:50,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:19:50,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 14:19:50,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:19:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 14:19:50,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570503721] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:19:50,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:19:50,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-13 14:19:50,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327302156] [2024-11-13 14:19:50,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:19:50,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 14:19:50,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:50,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 14:19:50,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:19:50,552 INFO L87 Difference]: Start difference. First operand 502 states and 774 transitions. Second operand has 15 states, 14 states have (on average 12.357142857142858) internal successors, (173), 11 states have internal predecessors, (173), 4 states have call successors, (46), 6 states have call predecessors, (46), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-13 14:19:54,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:54,905 INFO L93 Difference]: Finished difference Result 1551 states and 2531 transitions. [2024-11-13 14:19:54,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 14:19:54,906 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 12.357142857142858) internal successors, (173), 11 states have internal predecessors, (173), 4 states have call successors, (46), 6 states have call predecessors, (46), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) Word has length 168 [2024-11-13 14:19:54,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:54,914 INFO L225 Difference]: With dead ends: 1551 [2024-11-13 14:19:54,914 INFO L226 Difference]: Without dead ends: 1080 [2024-11-13 14:19:54,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-13 14:19:54,917 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 2793 mSDsluCounter, 2118 mSDsCounter, 0 mSdLazyCounter, 5710 mSolverCounterSat, 912 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2813 SdHoareTripleChecker+Valid, 2336 SdHoareTripleChecker+Invalid, 6622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 912 IncrementalHoareTripleChecker+Valid, 5710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:54,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2813 Valid, 2336 Invalid, 6622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [912 Valid, 5710 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-13 14:19:54,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2024-11-13 14:19:54,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 920. [2024-11-13 14:19:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 727 states have (on average 1.607977991746905) internal successors, (1169), 735 states have internal predecessors, (1169), 159 states have call successors, (159), 29 states have call predecessors, (159), 33 states have return successors, (180), 157 states have call predecessors, (180), 158 states have call successors, (180) [2024-11-13 14:19:54,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1508 transitions. [2024-11-13 14:19:55,000 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1508 transitions. Word has length 168 [2024-11-13 14:19:55,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:55,001 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1508 transitions. [2024-11-13 14:19:55,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 12.357142857142858) internal successors, (173), 11 states have internal predecessors, (173), 4 states have call successors, (46), 6 states have call predecessors, (46), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-13 14:19:55,002 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1508 transitions. [2024-11-13 14:19:55,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-13 14:19:55,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:55,010 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:55,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 14:19:55,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 14:19:55,210 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:55,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:55,213 INFO L85 PathProgramCache]: Analyzing trace with hash 663733621, now seen corresponding path program 1 times [2024-11-13 14:19:55,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:55,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773969331] [2024-11-13 14:19:55,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:55,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:19:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:19:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:19:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:19:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:19:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 14:19:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:19:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:19:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:19:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:19:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:19:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:19:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:19:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 14:19:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:19:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:19:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 14:19:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 14:19:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 14:19:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 14:19:55,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:55,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773969331] [2024-11-13 14:19:55,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773969331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:55,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:55,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:19:55,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342587020] [2024-11-13 14:19:55,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:55,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:19:55,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:55,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:19:55,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:19:55,403 INFO L87 Difference]: Start difference. First operand 920 states and 1508 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:19:57,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:57,465 INFO L93 Difference]: Finished difference Result 2296 states and 3860 transitions. [2024-11-13 14:19:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:19:57,466 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2024-11-13 14:19:57,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:57,476 INFO L225 Difference]: With dead ends: 2296 [2024-11-13 14:19:57,476 INFO L226 Difference]: Without dead ends: 1454 [2024-11-13 14:19:57,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:19:57,480 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1709 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:57,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 1036 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [601 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 14:19:57,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1454 states. [2024-11-13 14:19:57,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1454 to 1310. [2024-11-13 14:19:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 1038 states have (on average 1.6271676300578035) internal successors, (1689), 1046 states have internal predecessors, (1689), 238 states have call successors, (238), 29 states have call predecessors, (238), 33 states have return successors, (269), 236 states have call predecessors, (269), 237 states have call successors, (269) [2024-11-13 14:19:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 2196 transitions. [2024-11-13 14:19:57,581 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 2196 transitions. Word has length 190 [2024-11-13 14:19:57,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:57,581 INFO L471 AbstractCegarLoop]: Abstraction has 1310 states and 2196 transitions. [2024-11-13 14:19:57,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:19:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 2196 transitions. [2024-11-13 14:19:57,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-13 14:19:57,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:57,591 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:57,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:19:57,591 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:57,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:57,592 INFO L85 PathProgramCache]: Analyzing trace with hash -216408801, now seen corresponding path program 1 times [2024-11-13 14:19:57,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:57,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108113170] [2024-11-13 14:19:57,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:57,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:19:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:19:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:19:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:19:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:19:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:19:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 14:19:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:19:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:19:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:19:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:19:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:19:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:19:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:19:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 14:19:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:19:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:19:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:19:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:19:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:19:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:19:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 14:19:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-13 14:19:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,770 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 14:19:57,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:57,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108113170] [2024-11-13 14:19:57,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108113170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:57,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:57,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:19:57,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849283925] [2024-11-13 14:19:57,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:57,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:19:57,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:57,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:19:57,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:19:57,772 INFO L87 Difference]: Start difference. First operand 1310 states and 2196 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:00,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:00,016 INFO L93 Difference]: Finished difference Result 3270 states and 5569 transitions. [2024-11-13 14:20:00,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:20:00,017 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-13 14:20:00,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:00,030 INFO L225 Difference]: With dead ends: 3270 [2024-11-13 14:20:00,030 INFO L226 Difference]: Without dead ends: 2091 [2024-11-13 14:20:00,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:20:00,036 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1678 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 578 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1698 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 2037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 578 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:00,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1698 Valid, 977 Invalid, 2037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [578 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 14:20:00,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2024-11-13 14:20:00,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1947. [2024-11-13 14:20:00,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1556 states have (on average 1.6368894601542416) internal successors, (2547), 1564 states have internal predecessors, (2547), 357 states have call successors, (357), 29 states have call predecessors, (357), 33 states have return successors, (388), 355 states have call predecessors, (388), 356 states have call successors, (388) [2024-11-13 14:20:00,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 3292 transitions. [2024-11-13 14:20:00,211 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 3292 transitions. Word has length 191 [2024-11-13 14:20:00,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:00,211 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 3292 transitions. [2024-11-13 14:20:00,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:00,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 3292 transitions. [2024-11-13 14:20:00,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-13 14:20:00,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:00,226 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:00,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:20:00,226 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:00,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:00,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1391769817, now seen corresponding path program 1 times [2024-11-13 14:20:00,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:00,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319582047] [2024-11-13 14:20:00,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:00,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:20:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:20:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:20:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:20:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:20:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 14:20:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:20:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:20:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:20:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:20:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:20:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:20:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:20:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:20:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 14:20:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:20:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:20:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:20:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:20:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:20:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-13 14:20:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 14:20:00,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:00,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319582047] [2024-11-13 14:20:00,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319582047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:00,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:00,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:20:00,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131271194] [2024-11-13 14:20:00,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:00,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:20:00,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:00,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:20:00,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:20:00,446 INFO L87 Difference]: Start difference. First operand 1947 states and 3292 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:02,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:02,434 INFO L93 Difference]: Finished difference Result 4750 states and 8180 transitions. [2024-11-13 14:20:02,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:20:02,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-13 14:20:02,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:02,451 INFO L225 Difference]: With dead ends: 4750 [2024-11-13 14:20:02,452 INFO L226 Difference]: Without dead ends: 3069 [2024-11-13 14:20:02,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:20:02,459 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1604 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:02,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 974 Invalid, 2060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 1539 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 14:20:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3069 states. [2024-11-13 14:20:02,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3069 to 2925. [2024-11-13 14:20:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2372 states have (on average 1.6446037099494097) internal successors, (3901), 2380 states have internal predecessors, (3901), 519 states have call successors, (519), 29 states have call predecessors, (519), 33 states have return successors, (566), 517 states have call predecessors, (566), 518 states have call successors, (566) [2024-11-13 14:20:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 4986 transitions. [2024-11-13 14:20:02,665 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 4986 transitions. Word has length 192 [2024-11-13 14:20:02,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:02,666 INFO L471 AbstractCegarLoop]: Abstraction has 2925 states and 4986 transitions. [2024-11-13 14:20:02,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:02,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 4986 transitions. [2024-11-13 14:20:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-13 14:20:02,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:02,685 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:02,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:20:02,686 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:02,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:02,686 INFO L85 PathProgramCache]: Analyzing trace with hash -289787746, now seen corresponding path program 1 times [2024-11-13 14:20:02,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:02,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391674854] [2024-11-13 14:20:02,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:02,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:20:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:20:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:20:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:20:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:20:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:20:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:20:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-13 14:20:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 14:20:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 14:20:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:20:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:20:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:20:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:20:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:20:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:20:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:20:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:20:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:20:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-13 14:20:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-13 14:20:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,877 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 14:20:02,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:02,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391674854] [2024-11-13 14:20:02,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391674854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:02,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:02,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:20:02,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283331925] [2024-11-13 14:20:02,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:02,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:20:02,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:02,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:20:02,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:20:02,881 INFO L87 Difference]: Start difference. First operand 2925 states and 4986 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:05,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:05,055 INFO L93 Difference]: Finished difference Result 7089 states and 12315 transitions. [2024-11-13 14:20:05,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:20:05,056 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 193 [2024-11-13 14:20:05,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:05,080 INFO L225 Difference]: With dead ends: 7089 [2024-11-13 14:20:05,080 INFO L226 Difference]: Without dead ends: 4649 [2024-11-13 14:20:05,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:20:05,088 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1572 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 536 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:05,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 974 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [536 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 14:20:05,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2024-11-13 14:20:05,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 4505. [2024-11-13 14:20:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4505 states, 3707 states have (on average 1.6501213919611546) internal successors, (6117), 3715 states have internal predecessors, (6117), 764 states have call successors, (764), 29 states have call predecessors, (764), 33 states have return successors, (837), 762 states have call predecessors, (837), 763 states have call successors, (837) [2024-11-13 14:20:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4505 states to 4505 states and 7718 transitions. [2024-11-13 14:20:05,354 INFO L78 Accepts]: Start accepts. Automaton has 4505 states and 7718 transitions. Word has length 193 [2024-11-13 14:20:05,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:05,355 INFO L471 AbstractCegarLoop]: Abstraction has 4505 states and 7718 transitions. [2024-11-13 14:20:05,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 4505 states and 7718 transitions. [2024-11-13 14:20:05,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-13 14:20:05,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:05,391 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:05,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:20:05,392 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:05,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:05,392 INFO L85 PathProgramCache]: Analyzing trace with hash 630012304, now seen corresponding path program 1 times [2024-11-13 14:20:05,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:05,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374810340] [2024-11-13 14:20:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:05,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:20:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:20:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:20:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:20:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:20:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:20:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:20:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:20:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:20:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 14:20:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:20:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:20:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:20:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:20:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 14:20:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:20:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 14:20:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 14:20:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:05,563 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 14:20:05,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:05,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374810340] [2024-11-13 14:20:05,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374810340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:05,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:05,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:20:05,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019188615] [2024-11-13 14:20:05,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:05,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:20:05,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:05,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:20:05,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:20:05,565 INFO L87 Difference]: Start difference. First operand 4505 states and 7718 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 14:20:07,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:07,790 INFO L93 Difference]: Finished difference Result 11260 states and 19644 transitions. [2024-11-13 14:20:07,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:20:07,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 175 [2024-11-13 14:20:07,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:07,826 INFO L225 Difference]: With dead ends: 11260 [2024-11-13 14:20:07,827 INFO L226 Difference]: Without dead ends: 7492 [2024-11-13 14:20:07,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:20:07,837 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1641 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1660 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:07,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1660 Valid, 1008 Invalid, 2071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [576 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 14:20:07,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2024-11-13 14:20:08,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 7348. [2024-11-13 14:20:08,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7348 states, 6057 states have (on average 1.6470199768862472) internal successors, (9976), 6065 states have internal predecessors, (9976), 1257 states have call successors, (1257), 29 states have call predecessors, (1257), 33 states have return successors, (1374), 1255 states have call predecessors, (1374), 1256 states have call successors, (1374) [2024-11-13 14:20:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7348 states to 7348 states and 12607 transitions. [2024-11-13 14:20:08,336 INFO L78 Accepts]: Start accepts. Automaton has 7348 states and 12607 transitions. Word has length 175 [2024-11-13 14:20:08,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:08,337 INFO L471 AbstractCegarLoop]: Abstraction has 7348 states and 12607 transitions. [2024-11-13 14:20:08,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 14:20:08,337 INFO L276 IsEmpty]: Start isEmpty. Operand 7348 states and 12607 transitions. [2024-11-13 14:20:08,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-13 14:20:08,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:08,369 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:08,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:20:08,370 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:08,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:08,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1136743846, now seen corresponding path program 1 times [2024-11-13 14:20:08,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:08,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782504707] [2024-11-13 14:20:08,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:08,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:20:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:20:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:20:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:20:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:20:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:20:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:20:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:20:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 14:20:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 14:20:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:20:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 14:20:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:20:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:20:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 14:20:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:20:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:20:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:20:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:20:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-13 14:20:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 14:20:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 14:20:08,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:08,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782504707] [2024-11-13 14:20:08,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782504707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:08,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:08,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:20:08,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782876271] [2024-11-13 14:20:08,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:08,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:20:08,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:08,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:20:08,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:20:08,550 INFO L87 Difference]: Start difference. First operand 7348 states and 12607 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:10,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:10,978 INFO L93 Difference]: Finished difference Result 18680 states and 32608 transitions. [2024-11-13 14:20:10,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:20:10,979 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 195 [2024-11-13 14:20:10,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:11,067 INFO L225 Difference]: With dead ends: 18680 [2024-11-13 14:20:11,067 INFO L226 Difference]: Without dead ends: 12471 [2024-11-13 14:20:11,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:20:11,087 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 1680 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 1471 mSolverCounterSat, 585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1698 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 2056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 585 IncrementalHoareTripleChecker+Valid, 1471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:11,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1698 Valid, 990 Invalid, 2056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [585 Valid, 1471 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 14:20:11,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12471 states. [2024-11-13 14:20:11,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12471 to 12327. [2024-11-13 14:20:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12327 states, 10214 states have (on average 1.6474446837673782) internal successors, (16827), 10222 states have internal predecessors, (16827), 2079 states have call successors, (2079), 29 states have call predecessors, (2079), 33 states have return successors, (2274), 2077 states have call predecessors, (2274), 2078 states have call successors, (2274) [2024-11-13 14:20:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12327 states to 12327 states and 21180 transitions. [2024-11-13 14:20:11,815 INFO L78 Accepts]: Start accepts. Automaton has 12327 states and 21180 transitions. Word has length 195 [2024-11-13 14:20:11,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:11,816 INFO L471 AbstractCegarLoop]: Abstraction has 12327 states and 21180 transitions. [2024-11-13 14:20:11,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 12327 states and 21180 transitions. [2024-11-13 14:20:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-13 14:20:11,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:11,947 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:11,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:20:11,948 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:11,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:11,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1853830825, now seen corresponding path program 1 times [2024-11-13 14:20:11,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:11,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134009570] [2024-11-13 14:20:11,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:11,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:20:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:20:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:20:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:20:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:20:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:20:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 14:20:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 14:20:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:20:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:20:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 14:20:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 14:20:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:20:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:20:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 14:20:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:20:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-13 14:20:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 14:20:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 14:20:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 14:20:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-13 14:20:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 14:20:12,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:12,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134009570] [2024-11-13 14:20:12,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134009570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:12,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:12,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:20:12,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483140939] [2024-11-13 14:20:12,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:12,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:20:12,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:12,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:20:12,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:20:12,140 INFO L87 Difference]: Start difference. First operand 12327 states and 21180 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:14,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:14,933 INFO L93 Difference]: Finished difference Result 29638 states and 51468 transitions. [2024-11-13 14:20:14,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:20:14,934 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2024-11-13 14:20:14,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:15,042 INFO L225 Difference]: With dead ends: 29638 [2024-11-13 14:20:15,043 INFO L226 Difference]: Without dead ends: 19424 [2024-11-13 14:20:15,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:20:15,083 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1606 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 2050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 566 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:15,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 949 Invalid, 2050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [566 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 14:20:15,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19424 states. [2024-11-13 14:20:15,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19424 to 19280. [2024-11-13 14:20:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19280 states, 15964 states have (on average 1.6222124780756702) internal successors, (25897), 15972 states have internal predecessors, (25897), 3282 states have call successors, (3282), 29 states have call predecessors, (3282), 33 states have return successors, (3621), 3280 states have call predecessors, (3621), 3281 states have call successors, (3621) [2024-11-13 14:20:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19280 states to 19280 states and 32800 transitions. [2024-11-13 14:20:16,028 INFO L78 Accepts]: Start accepts. Automaton has 19280 states and 32800 transitions. Word has length 196 [2024-11-13 14:20:16,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:16,029 INFO L471 AbstractCegarLoop]: Abstraction has 19280 states and 32800 transitions. [2024-11-13 14:20:16,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:16,029 INFO L276 IsEmpty]: Start isEmpty. Operand 19280 states and 32800 transitions. [2024-11-13 14:20:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 14:20:16,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:16,084 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:16,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:20:16,085 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:16,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:16,085 INFO L85 PathProgramCache]: Analyzing trace with hash 993983362, now seen corresponding path program 1 times [2024-11-13 14:20:16,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:16,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382276610] [2024-11-13 14:20:16,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:16,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:20:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:20:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:20:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:20:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:20:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:20:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 14:20:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:20:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-13 14:20:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:20:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:20:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:20:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:20:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:20:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:20:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:20:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 14:20:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:20:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:16,259 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 14:20:16,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:16,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382276610] [2024-11-13 14:20:16,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382276610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:16,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:16,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:20:16,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882423180] [2024-11-13 14:20:16,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:16,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:20:16,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:16,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:20:16,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:20:16,261 INFO L87 Difference]: Start difference. First operand 19280 states and 32800 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 14:20:19,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:19,285 INFO L93 Difference]: Finished difference Result 51070 states and 88386 transitions. [2024-11-13 14:20:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:20:19,286 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 178 [2024-11-13 14:20:19,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:19,452 INFO L225 Difference]: With dead ends: 51070 [2024-11-13 14:20:19,452 INFO L226 Difference]: Without dead ends: 34545 [2024-11-13 14:20:19,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:20:19,495 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1694 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 567 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:19,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 977 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [567 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 14:20:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34545 states. [2024-11-13 14:20:21,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34545 to 34401. [2024-11-13 14:20:21,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34401 states, 28635 states have (on average 1.6191024969442989) internal successors, (46363), 28643 states have internal predecessors, (46363), 5732 states have call successors, (5732), 29 states have call predecessors, (5732), 33 states have return successors, (6345), 5730 states have call predecessors, (6345), 5731 states have call successors, (6345) [2024-11-13 14:20:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34401 states to 34401 states and 58440 transitions. [2024-11-13 14:20:21,675 INFO L78 Accepts]: Start accepts. Automaton has 34401 states and 58440 transitions. Word has length 178 [2024-11-13 14:20:21,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:21,675 INFO L471 AbstractCegarLoop]: Abstraction has 34401 states and 58440 transitions. [2024-11-13 14:20:21,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 14:20:21,676 INFO L276 IsEmpty]: Start isEmpty. Operand 34401 states and 58440 transitions. [2024-11-13 14:20:21,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-13 14:20:21,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:21,772 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:21,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:20:21,772 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:21,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:21,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1947404849, now seen corresponding path program 1 times [2024-11-13 14:20:21,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:21,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013262272] [2024-11-13 14:20:21,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:21,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:20:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:20:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:20:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:20:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:20:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:20:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 14:20:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:20:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:20:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:20:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:20:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:20:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:20:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:20:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:20:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:20:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:20:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 14:20:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 14:20:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-13 14:20:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 14:20:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 14:20:21,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:21,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013262272] [2024-11-13 14:20:21,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013262272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:21,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:21,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:20:21,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868960016] [2024-11-13 14:20:21,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:21,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:20:21,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:21,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:20:21,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:20:21,966 INFO L87 Difference]: Start difference. First operand 34401 states and 58440 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:25,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:25,845 INFO L93 Difference]: Finished difference Result 93942 states and 161785 transitions. [2024-11-13 14:20:25,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:20:25,846 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 198 [2024-11-13 14:20:25,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:26,160 INFO L225 Difference]: With dead ends: 93942 [2024-11-13 14:20:26,161 INFO L226 Difference]: Without dead ends: 63212 [2024-11-13 14:20:26,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:20:26,242 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1605 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 2053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 575 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:26,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1624 Valid, 975 Invalid, 2053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [575 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 14:20:26,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63212 states. [2024-11-13 14:20:29,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63212 to 63068. [2024-11-13 14:20:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63068 states, 52789 states have (on average 1.6148818882721778) internal successors, (85248), 52797 states have internal predecessors, (85248), 10245 states have call successors, (10245), 29 states have call predecessors, (10245), 33 states have return successors, (11390), 10243 states have call predecessors, (11390), 10244 states have call successors, (11390) [2024-11-13 14:20:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63068 states to 63068 states and 106883 transitions. [2024-11-13 14:20:29,355 INFO L78 Accepts]: Start accepts. Automaton has 63068 states and 106883 transitions. Word has length 198 [2024-11-13 14:20:29,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:29,356 INFO L471 AbstractCegarLoop]: Abstraction has 63068 states and 106883 transitions. [2024-11-13 14:20:29,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:29,356 INFO L276 IsEmpty]: Start isEmpty. Operand 63068 states and 106883 transitions. [2024-11-13 14:20:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-13 14:20:29,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:29,795 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:29,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:20:29,795 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:29,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:29,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1266736793, now seen corresponding path program 1 times [2024-11-13 14:20:29,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:29,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178800177] [2024-11-13 14:20:29,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:20:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:20:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:20:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:20:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:20:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:20:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 14:20:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:20:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:20:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:20:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:20:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:20:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:20:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:20:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:20:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:20:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:20:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 14:20:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:20:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-13 14:20:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-13 14:20:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 14:20:30,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:30,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178800177] [2024-11-13 14:20:30,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178800177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:30,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:30,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:20:30,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080607701] [2024-11-13 14:20:30,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:30,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:20:30,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:30,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:20:30,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:20:30,166 INFO L87 Difference]: Start difference. First operand 63068 states and 106883 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:35,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:35,439 INFO L93 Difference]: Finished difference Result 118318 states and 204162 transitions. [2024-11-13 14:20:35,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:20:35,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 199 [2024-11-13 14:20:35,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:35,909 INFO L225 Difference]: With dead ends: 118318 [2024-11-13 14:20:35,909 INFO L226 Difference]: Without dead ends: 118085 [2024-11-13 14:20:35,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:20:35,965 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1682 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 579 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:35,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1701 Valid, 1013 Invalid, 2021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [579 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 14:20:36,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118085 states. [2024-11-13 14:20:40,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118085 to 117941. [2024-11-13 14:20:40,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117941 states, 99294 states have (on average 1.6095232340322678) internal successors, (159816), 99302 states have internal predecessors, (159816), 18613 states have call successors, (18613), 29 states have call predecessors, (18613), 33 states have return successors, (20804), 18611 states have call predecessors, (20804), 18612 states have call successors, (20804) [2024-11-13 14:20:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117941 states to 117941 states and 199233 transitions. [2024-11-13 14:20:41,361 INFO L78 Accepts]: Start accepts. Automaton has 117941 states and 199233 transitions. Word has length 199 [2024-11-13 14:20:41,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:41,362 INFO L471 AbstractCegarLoop]: Abstraction has 117941 states and 199233 transitions. [2024-11-13 14:20:41,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 14:20:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 117941 states and 199233 transitions. [2024-11-13 14:20:41,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 14:20:41,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:41,550 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:41,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 14:20:41,550 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:41,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:41,550 INFO L85 PathProgramCache]: Analyzing trace with hash 823112107, now seen corresponding path program 1 times [2024-11-13 14:20:41,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:41,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970898414] [2024-11-13 14:20:41,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:41,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:20:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:20:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:20:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:20:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:20:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:20:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:20:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:20:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:20:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:20:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:20:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:20:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:20:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:20:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:20:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:20:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 14:20:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:20:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 14:20:42,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:42,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970898414] [2024-11-13 14:20:42,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970898414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:20:42,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253066798] [2024-11-13 14:20:42,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:42,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:20:42,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:20:42,274 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:20:42,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e14519-24cf-4d7b-b04f-bd8b63d54d16/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 14:20:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:43,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 1340 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 14:20:43,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:20:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 14:20:43,357 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:20:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 14:20:43,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253066798] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:20:43,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:20:43,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2024-11-13 14:20:43,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276808690] [2024-11-13 14:20:43,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:20:43,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-13 14:20:43,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:43,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-13 14:20:43,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=914, Unknown=0, NotChecked=0, Total=992 [2024-11-13 14:20:43,899 INFO L87 Difference]: Start difference. First operand 117941 states and 199233 transitions. Second operand has 32 states, 30 states have (on average 9.266666666666667) internal successors, (278), 24 states have internal predecessors, (278), 9 states have call successors, (59), 12 states have call predecessors, (59), 12 states have return successors, (51), 11 states have call predecessors, (51), 9 states have call successors, (51)