./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product35.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_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/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_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/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_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/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 66ba4360d8cd17925c78e04f17940e3bee0e828bd2ae8cc06c9e6a2549687bf9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:35:49,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:35:49,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:35:49,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:35:49,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:35:49,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:35:49,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:35:49,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:35:49,401 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:35:49,402 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:35:49,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:35:49,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:35:49,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:35:49,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:35:49,403 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:35:49,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:35:49,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:35:49,403 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:35:49,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:35:49,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:35:49,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:35:49,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:35:49,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:35:49,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:35:49,404 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:35:49,404 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:35:49,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:35:49,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:35:49,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:35:49,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:35:49,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:35:49,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:35:49,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:35:49,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:35:49,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:35:49,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:35:49,406 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:35:49,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:35:49,406 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:35:49,406 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:35:49,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:35:49,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:35:49,406 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_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/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 -> 66ba4360d8cd17925c78e04f17940e3bee0e828bd2ae8cc06c9e6a2549687bf9 [2024-11-13 14:35:49,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:35:49,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:35:49,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:35:49,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:35:49,836 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:35:49,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/email_spec27_product35.cil.c Unable to find full path for "g++" [2024-11-13 14:35:52,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:35:52,524 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:35:52,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/sv-benchmarks/c/product-lines/email_spec27_product35.cil.c [2024-11-13 14:35:52,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/data/0bae59049/8ed0529257074a5eafa206b32169f613/FLAGc73070b8e [2024-11-13 14:35:52,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/data/0bae59049/8ed0529257074a5eafa206b32169f613 [2024-11-13 14:35:52,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:35:52,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:35:52,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:35:52,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:35:52,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:35:52,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:52" (1/1) ... [2024-11-13 14:35:52,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6feb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:52, skipping insertion in model container [2024-11-13 14:35:52,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:52" (1/1) ... [2024-11-13 14:35:52,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:35:53,363 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_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/sv-benchmarks/c/product-lines/email_spec27_product35.cil.c[40704,40717] [2024-11-13 14:35:53,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:35:53,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:35:53,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-13 14:35:53,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [208] [2024-11-13 14:35:53,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [225] [2024-11-13 14:35:53,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1305] [2024-11-13 14:35:53,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1671] [2024-11-13 14:35:53,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1680] [2024-11-13 14:35:53,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1718] [2024-11-13 14:35:53,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2120] [2024-11-13 14:35:53,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2560] [2024-11-13 14:35:53,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2591] [2024-11-13 14:35:53,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2901] [2024-11-13 14:35:53,782 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_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/sv-benchmarks/c/product-lines/email_spec27_product35.cil.c[40704,40717] [2024-11-13 14:35:53,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:35:53,925 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:35:53,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53 WrapperNode [2024-11-13 14:35:53,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:35:53,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:35:53,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:35:53,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:35:53,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:53,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:54,045 INFO L138 Inliner]: procedures = 137, calls = 228, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1144 [2024-11-13 14:35:54,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:35:54,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:35:54,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:35:54,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:35:54,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:54,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:54,077 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:54,119 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 14:35:54,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:54,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:54,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:54,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:54,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:54,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:54,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:35:54,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:35:54,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:35:54,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:35:54,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (1/1) ... [2024-11-13 14:35:54,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:35:54,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:35:54,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:35:54,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-13 14:35:54,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-13 14:35:54,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-13 14:35:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-13 14:35:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-13 14:35:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-13 14:35:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-13 14:35:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-13 14:35:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-13 14:35:54,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-13 14:35:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-13 14:35:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-13 14:35:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-13 14:35:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-13 14:35:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-13 14:35:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-13 14:35:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-13 14:35:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-13 14:35:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-13 14:35:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-13 14:35:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-13 14:35:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-13 14:35:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-13 14:35:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-13 14:35:54,361 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-13 14:35:54,362 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-13 14:35:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-13 14:35:54,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-13 14:35:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-13 14:35:54,362 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-13 14:35:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-13 14:35:54,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-13 14:35:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:35:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-13 14:35:54,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-13 14:35:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-13 14:35:54,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-13 14:35:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-13 14:35:54,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-13 14:35:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-13 14:35:54,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-13 14:35:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-13 14:35:54,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-13 14:35:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-13 14:35:54,363 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-13 14:35:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-13 14:35:54,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-13 14:35:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-13 14:35:54,364 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-13 14:35:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-13 14:35:54,364 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-13 14:35:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-13 14:35:54,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-13 14:35:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-13 14:35:54,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-13 14:35:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-13 14:35:54,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-13 14:35:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:35:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:35:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:35:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:35:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-13 14:35:54,365 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-13 14:35:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-13 14:35:54,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-13 14:35:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:35:54,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:35:54,731 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:35:54,736 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:35:56,345 INFO L? ?]: Removed 606 outVars from TransFormulas that were not future-live. [2024-11-13 14:35:56,346 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:35:56,379 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:35:56,379 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:35:56,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:35:56 BoogieIcfgContainer [2024-11-13 14:35:56,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:35:56,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:35:56,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:35:56,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:35:56,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:35:52" (1/3) ... [2024-11-13 14:35:56,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2cce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:35:56, skipping insertion in model container [2024-11-13 14:35:56,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:53" (2/3) ... [2024-11-13 14:35:56,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2cce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:35:56, skipping insertion in model container [2024-11-13 14:35:56,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:35:56" (3/3) ... [2024-11-13 14:35:56,415 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product35.cil.c [2024-11-13 14:35:56,429 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:35:56,432 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec27_product35.cil.c that has 31 procedures, 472 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:35:56,546 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:35:56,561 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@3396caeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:35:56,561 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:35:56,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 472 states, 363 states have (on average 1.5316804407713498) internal successors, (556), 368 states have internal predecessors, (556), 77 states have call successors, (77), 30 states have call predecessors, (77), 30 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-13 14:35:56,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-13 14:35:56,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:56,596 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 14:35:56,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:35:56,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:56,602 INFO L85 PathProgramCache]: Analyzing trace with hash -151307995, now seen corresponding path program 1 times [2024-11-13 14:35:56,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:56,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636751220] [2024-11-13 14:35:56,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:56,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:57,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:35:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:57,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:35:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:57,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:35:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:57,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:35:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:57,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:35:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:57,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:35:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:35:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 14:35:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 14:35:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 14:35:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:35:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:35:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:35:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:35:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:35:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:35:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:35:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:35:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:35:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:35:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:35:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:35:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 14:35:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,180 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 14:35:58,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:58,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636751220] [2024-11-13 14:35:58,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636751220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:35:58,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370564289] [2024-11-13 14:35:58,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:58,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:35:58,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:35:58,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:35:58,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:35:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:58,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:35:58,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:35:58,973 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 14:35:58,973 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:35:58,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370564289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:58,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:35:58,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-13 14:35:58,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956700006] [2024-11-13 14:35:58,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:58,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:35:58,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:59,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:35:59,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:35:59,024 INFO L87 Difference]: Start difference. First operand has 472 states, 363 states have (on average 1.5316804407713498) internal successors, (556), 368 states have internal predecessors, (556), 77 states have call successors, (77), 30 states have call predecessors, (77), 30 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) 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 14:35:59,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:59,153 INFO L93 Difference]: Finished difference Result 746 states and 1102 transitions. [2024-11-13 14:35:59,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:35:59,156 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 14:35:59,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:59,185 INFO L225 Difference]: With dead ends: 746 [2024-11-13 14:35:59,185 INFO L226 Difference]: Without dead ends: 465 [2024-11-13 14:35:59,199 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 14:35:59,204 INFO L432 NwaCegarLoop]: 706 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, 706 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 14:35:59,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:35:59,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-13 14:35:59,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2024-11-13 14:35:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 357 states have (on average 1.526610644257703) internal successors, (545), 361 states have internal predecessors, (545), 77 states have call successors, (77), 30 states have call predecessors, (77), 30 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-13 14:35:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 698 transitions. [2024-11-13 14:35:59,304 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 698 transitions. Word has length 170 [2024-11-13 14:35:59,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:35:59,305 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 698 transitions. [2024-11-13 14:35:59,306 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 14:35:59,306 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 698 transitions. [2024-11-13 14:35:59,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-13 14:35:59,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:59,314 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 14:35:59,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:35:59,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 14:35:59,519 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:35:59,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:59,520 INFO L85 PathProgramCache]: Analyzing trace with hash 650481186, now seen corresponding path program 1 times [2024-11-13 14:35:59,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:59,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107325325] [2024-11-13 14:35:59,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:59,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:59,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:35:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:59,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:35:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:59,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:35:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:36:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:36:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:36:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 14:36:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:36:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 14:36:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:36:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 14:36:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-13 14:36:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:36:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:36:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:36:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 14:36:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:36:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:36:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:36:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:36:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:36:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 14:36:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,196 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 14:36:00,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:00,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107325325] [2024-11-13 14:36:00,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107325325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:36:00,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430975527] [2024-11-13 14:36:00,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:00,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:36:00,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:36:00,200 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:36:00,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:36:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:00,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:36:00,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:36:00,883 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 14:36:00,883 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:36:00,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430975527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:00,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:36:00,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-13 14:36:00,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900453732] [2024-11-13 14:36:00,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:00,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:36:00,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:00,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:36:00,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:36:00,891 INFO L87 Difference]: Start difference. First operand 465 states and 698 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 14:36:00,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:00,984 INFO L93 Difference]: Finished difference Result 736 states and 1080 transitions. [2024-11-13 14:36:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:36:00,985 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 14:36:00,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:00,995 INFO L225 Difference]: With dead ends: 736 [2024-11-13 14:36:00,995 INFO L226 Difference]: Without dead ends: 468 [2024-11-13 14:36:00,999 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 14:36:01,001 INFO L432 NwaCegarLoop]: 696 mSDtfsCounter, 1 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1390 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 14:36:01,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1390 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:36:01,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-13 14:36:01,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 467. [2024-11-13 14:36:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 359 states have (on average 1.5236768802228413) internal successors, (547), 363 states have internal predecessors, (547), 77 states have call successors, (77), 30 states have call predecessors, (77), 30 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-13 14:36:01,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 700 transitions. [2024-11-13 14:36:01,073 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 700 transitions. Word has length 171 [2024-11-13 14:36:01,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:01,074 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 700 transitions. [2024-11-13 14:36:01,074 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 14:36:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 700 transitions. [2024-11-13 14:36:01,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-13 14:36:01,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:01,084 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:36:01,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:36:01,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:36:01,290 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:01,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:01,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1409691611, now seen corresponding path program 1 times [2024-11-13 14:36:01,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:01,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371337812] [2024-11-13 14:36:01,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:01,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:36:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:36:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:36:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 14:36:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 14:36:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:36:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 14:36:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:36:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 14:36:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:36:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:36:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:36:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:36:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 14:36:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:36:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-13 14:36:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 14:36:01,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:01,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371337812] [2024-11-13 14:36:01,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371337812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:36:01,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163193434] [2024-11-13 14:36:01,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:01,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:36:01,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:36:01,947 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:36:01,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:36:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:02,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:36:02,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:36:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 14:36:02,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:36:02,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163193434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:02,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:36:02,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-13 14:36:02,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212994242] [2024-11-13 14:36:02,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:02,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:36:02,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:02,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:36:02,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:36:02,550 INFO L87 Difference]: Start difference. First operand 467 states and 700 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 14:36:02,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:02,630 INFO L93 Difference]: Finished difference Result 987 states and 1500 transitions. [2024-11-13 14:36:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:36:02,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 161 [2024-11-13 14:36:02,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:02,640 INFO L225 Difference]: With dead ends: 987 [2024-11-13 14:36:02,640 INFO L226 Difference]: Without dead ends: 547 [2024-11-13 14:36:02,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 196 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 14:36:02,645 INFO L432 NwaCegarLoop]: 716 mSDtfsCounter, 142 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1368 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 14:36:02,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1368 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:36:02,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-11-13 14:36:02,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 539. [2024-11-13 14:36:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 417 states have (on average 1.5443645083932853) internal successors, (644), 421 states have internal predecessors, (644), 91 states have call successors, (91), 30 states have call predecessors, (91), 30 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-13 14:36:02,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 825 transitions. [2024-11-13 14:36:02,691 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 825 transitions. Word has length 161 [2024-11-13 14:36:02,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:02,692 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 825 transitions. [2024-11-13 14:36:02,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 14:36:02,693 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 825 transitions. [2024-11-13 14:36:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 14:36:02,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:02,699 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:36:02,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 14:36:02,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:36:02,900 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:02,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:02,900 INFO L85 PathProgramCache]: Analyzing trace with hash 614919394, now seen corresponding path program 1 times [2024-11-13 14:36:02,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:02,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136016981] [2024-11-13 14:36:02,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:02,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:36:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 14:36:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-13 14:36:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 14:36:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 14:36:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:36:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 14:36:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:36:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:36:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:36:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:36:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:36:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:36:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 14:36:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:36:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:36:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 14:36:03,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:03,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136016981] [2024-11-13 14:36:03,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136016981] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:36:03,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891636242] [2024-11-13 14:36:03,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:03,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:36:03,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:36:03,437 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:36:03,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:36:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:04,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:36:04,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:36:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 14:36:04,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:36:04,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891636242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:04,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:36:04,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-13 14:36:04,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116606665] [2024-11-13 14:36:04,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:04,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:36:04,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:04,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:36:04,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:36:04,172 INFO L87 Difference]: Start difference. First operand 539 states and 825 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 14:36:04,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:04,307 INFO L93 Difference]: Finished difference Result 1069 states and 1640 transitions. [2024-11-13 14:36:04,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:36:04,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2024-11-13 14:36:04,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:04,314 INFO L225 Difference]: With dead ends: 1069 [2024-11-13 14:36:04,315 INFO L226 Difference]: Without dead ends: 541 [2024-11-13 14:36:04,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:36:04,321 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 2 mSDsluCounter, 2059 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2749 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 14:36:04,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2749 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:36:04,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-13 14:36:04,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 541. [2024-11-13 14:36:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 418 states have (on average 1.5430622009569377) internal successors, (645), 423 states have internal predecessors, (645), 91 states have call successors, (91), 30 states have call predecessors, (91), 31 states have return successors, (92), 89 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-13 14:36:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 828 transitions. [2024-11-13 14:36:04,373 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 828 transitions. Word has length 162 [2024-11-13 14:36:04,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:04,374 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 828 transitions. [2024-11-13 14:36:04,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 14:36:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 828 transitions. [2024-11-13 14:36:04,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 14:36:04,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:04,380 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:36:04,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 14:36:04,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:36:04,581 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:04,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:04,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1142610573, now seen corresponding path program 1 times [2024-11-13 14:36:04,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:04,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408898367] [2024-11-13 14:36:04,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:04,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:04,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:04,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:04,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:04,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-13 14:36:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:36:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:36:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 14:36:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:36:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 14:36:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:36:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-13 14:36:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:36:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:36:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:36:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:36:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:36:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:36:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:36:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 14:36:05,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:05,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408898367] [2024-11-13 14:36:05,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408898367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:36:05,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454716539] [2024-11-13 14:36:05,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:05,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:36:05,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:36:05,145 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:36:05,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:36:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:36:05,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:36:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 14:36:05,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:36:05,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454716539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:05,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:36:05,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-13 14:36:05,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570553944] [2024-11-13 14:36:05,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:05,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:36:05,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:05,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:36:05,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:36:05,814 INFO L87 Difference]: Start difference. First operand 541 states and 828 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 14:36:05,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:05,941 INFO L93 Difference]: Finished difference Result 1071 states and 1645 transitions. [2024-11-13 14:36:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:36:05,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 163 [2024-11-13 14:36:05,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:05,947 INFO L225 Difference]: With dead ends: 1071 [2024-11-13 14:36:05,948 INFO L226 Difference]: Without dead ends: 543 [2024-11-13 14:36:05,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 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 14:36:05,952 INFO L432 NwaCegarLoop]: 688 mSDtfsCounter, 2 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2735 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 14:36:05,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2735 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:36:05,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-13 14:36:05,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 543. [2024-11-13 14:36:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 419 states have (on average 1.541766109785203) internal successors, (646), 425 states have internal predecessors, (646), 91 states have call successors, (91), 30 states have call predecessors, (91), 32 states have return successors, (97), 89 states have call predecessors, (97), 90 states have call successors, (97) [2024-11-13 14:36:05,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 834 transitions. [2024-11-13 14:36:05,987 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 834 transitions. Word has length 163 [2024-11-13 14:36:05,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:05,987 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 834 transitions. [2024-11-13 14:36:05,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 14:36:05,988 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 834 transitions. [2024-11-13 14:36:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 14:36:05,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:05,993 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 14:36:06,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 14:36:06,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:36:06,197 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:06,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:06,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1397186238, now seen corresponding path program 1 times [2024-11-13 14:36:06,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:06,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943731567] [2024-11-13 14:36:06,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:06,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 14:36:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:36:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:36:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:36:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:36:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:36:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:36:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:36:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:36:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:36:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:36:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:36:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:36:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:36:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:06,678 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 14:36:06,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:06,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943731567] [2024-11-13 14:36:06,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943731567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:06,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:06,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:36:06,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473501467] [2024-11-13 14:36:06,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:06,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:36:06,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:06,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:36:06,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:36:06,682 INFO L87 Difference]: Start difference. First operand 543 states and 834 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 14:36:11,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:11,405 INFO L93 Difference]: Finished difference Result 1295 states and 2015 transitions. [2024-11-13 14:36:11,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:36:11,406 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 14:36:11,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:11,413 INFO L225 Difference]: With dead ends: 1295 [2024-11-13 14:36:11,413 INFO L226 Difference]: Without dead ends: 775 [2024-11-13 14:36:11,416 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 14:36:11,417 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1662 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3436 mSolverCounterSat, 631 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1663 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 631 IncrementalHoareTripleChecker+Valid, 3436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:11,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1663 Valid, 1402 Invalid, 4067 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [631 Valid, 3436 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-13 14:36:11,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-11-13 14:36:11,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 543. [2024-11-13 14:36:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 419 states have (on average 1.541766109785203) internal successors, (646), 425 states have internal predecessors, (646), 91 states have call successors, (91), 30 states have call predecessors, (91), 32 states have return successors, (96), 89 states have call predecessors, (96), 90 states have call successors, (96) [2024-11-13 14:36:11,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 833 transitions. [2024-11-13 14:36:11,499 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 833 transitions. Word has length 164 [2024-11-13 14:36:11,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:11,500 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 833 transitions. [2024-11-13 14:36:11,500 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 14:36:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 833 transitions. [2024-11-13 14:36:11,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-13 14:36:11,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:11,505 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 14:36:11,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:36:11,505 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:11,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:11,506 INFO L85 PathProgramCache]: Analyzing trace with hash -300429178, now seen corresponding path program 1 times [2024-11-13 14:36:11,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:11,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047024857] [2024-11-13 14:36:11,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:11,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:36:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 14:36:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:36:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:36:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:36:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:36:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:36:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:36:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:36:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:36:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:36:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:36:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 14:36:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:36:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 14:36:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:36:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 14:36:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:11,932 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 14:36:11,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:11,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047024857] [2024-11-13 14:36:11,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047024857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:11,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:11,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:36:11,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092337399] [2024-11-13 14:36:11,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:11,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:36:11,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:11,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:36:11,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:36:11,935 INFO L87 Difference]: Start difference. First operand 543 states and 833 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 14:36:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:16,474 INFO L93 Difference]: Finished difference Result 1297 states and 2018 transitions. [2024-11-13 14:36:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:36:16,475 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 14:36:16,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:16,482 INFO L225 Difference]: With dead ends: 1297 [2024-11-13 14:36:16,483 INFO L226 Difference]: Without dead ends: 777 [2024-11-13 14:36:16,485 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 14:36:16,486 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1681 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3407 mSolverCounterSat, 625 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 4032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 625 IncrementalHoareTripleChecker+Valid, 3407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:16,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1682 Valid, 1403 Invalid, 4032 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [625 Valid, 3407 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 14:36:16,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-13 14:36:16,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 545. [2024-11-13 14:36:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 420 states have (on average 1.5404761904761906) internal successors, (647), 427 states have internal predecessors, (647), 91 states have call successors, (91), 30 states have call predecessors, (91), 33 states have return successors, (98), 89 states have call predecessors, (98), 90 states have call successors, (98) [2024-11-13 14:36:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 836 transitions. [2024-11-13 14:36:16,563 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 836 transitions. Word has length 184 [2024-11-13 14:36:16,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:16,564 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 836 transitions. [2024-11-13 14:36:16,564 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 14:36:16,565 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 836 transitions. [2024-11-13 14:36:16,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-13 14:36:16,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:16,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:36:16,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:36:16,570 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:16,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:16,571 INFO L85 PathProgramCache]: Analyzing trace with hash -441251010, now seen corresponding path program 1 times [2024-11-13 14:36:16,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:16,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355590614] [2024-11-13 14:36:16,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:16,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:36:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 14:36:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:36:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:36:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-13 14:36:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 14:36:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:16,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:36:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:36:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:36:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:36:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:36:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:36:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:36:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:36:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 14:36:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:36:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 14:36:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:17,043 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 14:36:17,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:17,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355590614] [2024-11-13 14:36:17,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355590614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:17,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:17,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:36:17,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597255890] [2024-11-13 14:36:17,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:17,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:36:17,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:17,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:36:17,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:36:17,046 INFO L87 Difference]: Start difference. First operand 545 states and 836 transitions. Second operand has 12 states, 11 states have (on average 10.181818181818182) internal successors, (112), 8 states have internal predecessors, (112), 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 14:36:22,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:22,889 INFO L93 Difference]: Finished difference Result 1295 states and 2013 transitions. [2024-11-13 14:36:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:36:22,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.181818181818182) internal successors, (112), 8 states have internal predecessors, (112), 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 185 [2024-11-13 14:36:22,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:22,898 INFO L225 Difference]: With dead ends: 1295 [2024-11-13 14:36:22,898 INFO L226 Difference]: Without dead ends: 777 [2024-11-13 14:36:22,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 49 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 14:36:22,903 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1679 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5659 mSolverCounterSat, 614 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 6273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 614 IncrementalHoareTripleChecker+Valid, 5659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:22,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 1944 Invalid, 6273 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [614 Valid, 5659 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-13 14:36:22,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-13 14:36:22,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 545. [2024-11-13 14:36:22,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 420 states have (on average 1.5404761904761906) internal successors, (647), 427 states have internal predecessors, (647), 91 states have call successors, (91), 30 states have call predecessors, (91), 33 states have return successors, (97), 89 states have call predecessors, (97), 90 states have call successors, (97) [2024-11-13 14:36:22,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 835 transitions. [2024-11-13 14:36:22,992 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 835 transitions. Word has length 185 [2024-11-13 14:36:22,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:22,993 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 835 transitions. [2024-11-13 14:36:22,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.181818181818182) internal successors, (112), 8 states have internal predecessors, (112), 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 14:36:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 835 transitions. [2024-11-13 14:36:23,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-13 14:36:23,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:23,001 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 14:36:23,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:36:23,002 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:23,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:23,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1146323329, now seen corresponding path program 2 times [2024-11-13 14:36:23,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:23,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774514337] [2024-11-13 14:36:23,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:23,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:36:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 14:36:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 14:36:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:36:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:36:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:36:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:36:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:36:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:36:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:36:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:36:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 14:36:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:36:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:36:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:36:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:36:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:36:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:23,462 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 14:36:23,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:23,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774514337] [2024-11-13 14:36:23,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774514337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:23,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:23,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:36:23,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146416072] [2024-11-13 14:36:23,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:23,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:36:23,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:23,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:36:23,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:36:23,467 INFO L87 Difference]: Start difference. First operand 545 states and 835 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 14:36:28,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:28,632 INFO L93 Difference]: Finished difference Result 1297 states and 2019 transitions. [2024-11-13 14:36:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:36:28,633 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 14:36:28,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:28,640 INFO L225 Difference]: With dead ends: 1297 [2024-11-13 14:36:28,640 INFO L226 Difference]: Without dead ends: 779 [2024-11-13 14:36:28,643 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 14:36:28,644 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1678 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5729 mSolverCounterSat, 626 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 6355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 626 IncrementalHoareTripleChecker+Valid, 5729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:28,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1679 Valid, 1944 Invalid, 6355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [626 Valid, 5729 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-13 14:36:28,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-13 14:36:28,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 547. [2024-11-13 14:36:28,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 421 states have (on average 1.5391923990498813) internal successors, (648), 429 states have internal predecessors, (648), 91 states have call successors, (91), 30 states have call predecessors, (91), 34 states have return successors, (102), 89 states have call predecessors, (102), 90 states have call successors, (102) [2024-11-13 14:36:28,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 841 transitions. [2024-11-13 14:36:28,748 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 841 transitions. Word has length 186 [2024-11-13 14:36:28,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:28,749 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 841 transitions. [2024-11-13 14:36:28,749 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 14:36:28,749 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 841 transitions. [2024-11-13 14:36:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-13 14:36:28,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:28,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:36:28,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:36:28,755 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:28,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:28,755 INFO L85 PathProgramCache]: Analyzing trace with hash 2035390179, now seen corresponding path program 1 times [2024-11-13 14:36:28,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:28,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592610590] [2024-11-13 14:36:28,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:28,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:36:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 14:36:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 14:36:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 14:36:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:36:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 14:36:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 14:36:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:36:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:36:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:36:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:36:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:36:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:36:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:36:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 14:36:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:36:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-13 14:36:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,168 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 14:36:29,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:29,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592610590] [2024-11-13 14:36:29,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592610590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:36:29,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607554895] [2024-11-13 14:36:29,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:29,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:36:29,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:36:29,172 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:36:29,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 14:36:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:29,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:36:29,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:36:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 14:36:29,782 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:36:29,992 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 14:36:29,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607554895] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:36:29,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:36:29,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-13 14:36:29,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330634422] [2024-11-13 14:36:29,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:36:29,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 14:36:29,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:29,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 14:36:29,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:36:29,997 INFO L87 Difference]: Start difference. First operand 547 states and 841 transitions. Second operand has 15 states, 14 states have (on average 13.142857142857142) internal successors, (184), 11 states have internal predecessors, (184), 4 states have call successors, (53), 6 states have call predecessors, (53), 3 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-13 14:36:35,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:35,789 INFO L93 Difference]: Finished difference Result 1762 states and 2856 transitions. [2024-11-13 14:36:35,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 14:36:35,790 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 13.142857142857142) internal successors, (184), 11 states have internal predecessors, (184), 4 states have call successors, (53), 6 states have call predecessors, (53), 3 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) Word has length 187 [2024-11-13 14:36:35,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:35,800 INFO L225 Difference]: With dead ends: 1762 [2024-11-13 14:36:35,800 INFO L226 Difference]: Without dead ends: 1246 [2024-11-13 14:36:35,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 415 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 14:36:35,804 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 3229 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 6770 mSolverCounterSat, 1089 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3249 SdHoareTripleChecker+Valid, 2275 SdHoareTripleChecker+Invalid, 7859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1089 IncrementalHoareTripleChecker+Valid, 6770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:35,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3249 Valid, 2275 Invalid, 7859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1089 Valid, 6770 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-13 14:36:35,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2024-11-13 14:36:35,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 990. [2024-11-13 14:36:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 785 states have (on average 1.5974522292993631) internal successors, (1254), 793 states have internal predecessors, (1254), 170 states have call successors, (170), 30 states have call predecessors, (170), 34 states have return successors, (191), 168 states have call predecessors, (191), 169 states have call successors, (191) [2024-11-13 14:36:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1615 transitions. [2024-11-13 14:36:35,910 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1615 transitions. Word has length 187 [2024-11-13 14:36:35,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:35,911 INFO L471 AbstractCegarLoop]: Abstraction has 990 states and 1615 transitions. [2024-11-13 14:36:35,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 13.142857142857142) internal successors, (184), 11 states have internal predecessors, (184), 4 states have call successors, (53), 6 states have call predecessors, (53), 3 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-13 14:36:35,911 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1615 transitions. [2024-11-13 14:36:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-13 14:36:35,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:35,919 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] [2024-11-13 14:36:35,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 14:36:36,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 14:36:36,120 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:36,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:36,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1123179646, now seen corresponding path program 1 times [2024-11-13 14:36:36,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:36,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269236901] [2024-11-13 14:36:36,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:36,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:36:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:36:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:36:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 14:36:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:36:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:36:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:36:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 14:36:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:36:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:36:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:36:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:36:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:36:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 14:36:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:36,324 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 14:36:36,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:36,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269236901] [2024-11-13 14:36:36,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269236901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:36,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:36,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:36:36,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696728159] [2024-11-13 14:36:36,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:36,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:36:36,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:36,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:36:36,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:36:36,327 INFO L87 Difference]: Start difference. First operand 990 states and 1615 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 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 14:36:39,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:39,378 INFO L93 Difference]: Finished difference Result 2557 states and 4265 transitions. [2024-11-13 14:36:39,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:36:39,379 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 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 171 [2024-11-13 14:36:39,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:39,391 INFO L225 Difference]: With dead ends: 2557 [2024-11-13 14:36:39,391 INFO L226 Difference]: Without dead ends: 1645 [2024-11-13 14:36:39,396 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 14:36:39,397 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 1794 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 1975 mSolverCounterSat, 685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 2660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 1975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:39,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1812 Valid, 1079 Invalid, 2660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 1975 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 14:36:39,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2024-11-13 14:36:39,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1405. [2024-11-13 14:36:39,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1121 states have (on average 1.6181980374665477) internal successors, (1814), 1129 states have internal predecessors, (1814), 249 states have call successors, (249), 30 states have call predecessors, (249), 34 states have return successors, (280), 247 states have call predecessors, (280), 248 states have call successors, (280) [2024-11-13 14:36:39,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2343 transitions. [2024-11-13 14:36:39,561 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2343 transitions. Word has length 171 [2024-11-13 14:36:39,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:39,561 INFO L471 AbstractCegarLoop]: Abstraction has 1405 states and 2343 transitions. [2024-11-13 14:36:39,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 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 14:36:39,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2343 transitions. [2024-11-13 14:36:39,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-13 14:36:39,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:39,571 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 14:36:39,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:36:39,572 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:39,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:39,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1730201305, now seen corresponding path program 1 times [2024-11-13 14:36:39,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:39,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681303178] [2024-11-13 14:36:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:39,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:36:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 14:36:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:36:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:36:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:36:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:36:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:36:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:36:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:36:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 14:36:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:36:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:36:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:36:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:36:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:36:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 14:36:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-13 14:36:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:39,768 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 14:36:39,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:39,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681303178] [2024-11-13 14:36:39,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681303178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:39,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:39,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:36:39,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414585293] [2024-11-13 14:36:39,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:39,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:36:39,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:39,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:36:39,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:36:39,771 INFO L87 Difference]: Start difference. First operand 1405 states and 2343 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 14:36:42,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:42,728 INFO L93 Difference]: Finished difference Result 3596 states and 6078 transitions. [2024-11-13 14:36:42,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:36:42,729 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 14:36:42,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:42,741 INFO L225 Difference]: With dead ends: 3596 [2024-11-13 14:36:42,741 INFO L226 Difference]: Without dead ends: 2322 [2024-11-13 14:36:42,746 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 14:36:42,747 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1809 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 2616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 701 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:42,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1828 Valid, 1030 Invalid, 2616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [701 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 14:36:42,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2024-11-13 14:36:42,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2082. [2024-11-13 14:36:42,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2082 states, 1679 states have (on average 1.6295413936867182) internal successors, (2736), 1687 states have internal predecessors, (2736), 368 states have call successors, (368), 30 states have call predecessors, (368), 34 states have return successors, (399), 366 states have call predecessors, (399), 367 states have call successors, (399) [2024-11-13 14:36:42,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 3503 transitions. [2024-11-13 14:36:42,971 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 3503 transitions. Word has length 191 [2024-11-13 14:36:42,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:42,971 INFO L471 AbstractCegarLoop]: Abstraction has 2082 states and 3503 transitions. [2024-11-13 14:36:42,972 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 14:36:42,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 3503 transitions. [2024-11-13 14:36:42,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-13 14:36:42,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:42,985 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] [2024-11-13 14:36:42,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:36:42,986 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:42,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:42,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1582396944, now seen corresponding path program 1 times [2024-11-13 14:36:42,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:42,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686261750] [2024-11-13 14:36:42,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:42,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:36:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 14:36:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:36:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:36:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:36:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 14:36:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:36:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:36:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:36:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:36:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:36:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:36:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 14:36:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:36:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,154 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 14:36:43,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:43,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686261750] [2024-11-13 14:36:43,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686261750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:43,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:43,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:36:43,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536341981] [2024-11-13 14:36:43,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:43,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:36:43,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:43,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:36:43,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:36:43,157 INFO L87 Difference]: Start difference. First operand 2082 states and 3503 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 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 14:36:46,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:46,231 INFO L93 Difference]: Finished difference Result 5181 states and 8857 transitions. [2024-11-13 14:36:46,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:36:46,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 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 173 [2024-11-13 14:36:46,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:46,252 INFO L225 Difference]: With dead ends: 5181 [2024-11-13 14:36:46,253 INFO L226 Difference]: Without dead ends: 3365 [2024-11-13 14:36:46,259 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 14:36:46,259 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1821 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 708 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:46,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1840 Valid, 1023 Invalid, 2575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [708 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 14:36:46,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3365 states. [2024-11-13 14:36:46,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3365 to 3125. [2024-11-13 14:36:46,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3125 states, 2560 states have (on average 1.63828125) internal successors, (4194), 2568 states have internal predecessors, (4194), 530 states have call successors, (530), 30 states have call predecessors, (530), 34 states have return successors, (577), 528 states have call predecessors, (577), 529 states have call successors, (577) [2024-11-13 14:36:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 5301 transitions. [2024-11-13 14:36:46,498 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 5301 transitions. Word has length 173 [2024-11-13 14:36:46,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:46,499 INFO L471 AbstractCegarLoop]: Abstraction has 3125 states and 5301 transitions. [2024-11-13 14:36:46,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 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 14:36:46,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 5301 transitions. [2024-11-13 14:36:46,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-13 14:36:46,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:46,520 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 14:36:46,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:36:46,521 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:46,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:46,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1116329894, now seen corresponding path program 1 times [2024-11-13 14:36:46,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:46,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324395166] [2024-11-13 14:36:46,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:46,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:36:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:36:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:36:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-13 14:36:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 14:36:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 14:36:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:36:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:36:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:36:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:36:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:36:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:36:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:36:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:36:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:36:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-13 14:36:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-13 14:36:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:46,756 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 14:36:46,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:46,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324395166] [2024-11-13 14:36:46,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324395166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:46,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:46,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:36:46,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014990612] [2024-11-13 14:36:46,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:46,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:36:46,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:46,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:36:46,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:36:46,759 INFO L87 Difference]: Start difference. First operand 3125 states and 5301 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 14:36:49,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:49,819 INFO L93 Difference]: Finished difference Result 7695 states and 13272 transitions. [2024-11-13 14:36:49,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:36:49,820 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 14:36:49,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:49,850 INFO L225 Difference]: With dead ends: 7695 [2024-11-13 14:36:49,850 INFO L226 Difference]: Without dead ends: 5055 [2024-11-13 14:36:49,858 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 14:36:49,860 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 1866 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1865 mSolverCounterSat, 701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 2566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 701 IncrementalHoareTripleChecker+Valid, 1865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:49,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 1021 Invalid, 2566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [701 Valid, 1865 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 14:36:49,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2024-11-13 14:36:50,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 4815. [2024-11-13 14:36:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4815 states, 4005 states have (on average 1.6444444444444444) internal successors, (6586), 4013 states have internal predecessors, (6586), 775 states have call successors, (775), 30 states have call predecessors, (775), 34 states have return successors, (848), 773 states have call predecessors, (848), 774 states have call successors, (848) [2024-11-13 14:36:50,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4815 states to 4815 states and 8209 transitions. [2024-11-13 14:36:50,234 INFO L78 Accepts]: Start accepts. Automaton has 4815 states and 8209 transitions. Word has length 193 [2024-11-13 14:36:50,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:50,234 INFO L471 AbstractCegarLoop]: Abstraction has 4815 states and 8209 transitions. [2024-11-13 14:36:50,235 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 14:36:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand 4815 states and 8209 transitions. [2024-11-13 14:36:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-13 14:36:50,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:50,266 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 14:36:50,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:36:50,266 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:50,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:50,267 INFO L85 PathProgramCache]: Analyzing trace with hash 844459340, now seen corresponding path program 1 times [2024-11-13 14:36:50,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:50,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130974769] [2024-11-13 14:36:50,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:50,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:36:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:36:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:36:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:36:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:36:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 14:36:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:36:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:36:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:36:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:36:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 14:36:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:36:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 14:36:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 14:36:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:50,444 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 14:36:50,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:50,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130974769] [2024-11-13 14:36:50,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130974769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:50,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:50,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:36:50,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733461316] [2024-11-13 14:36:50,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:50,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:36:50,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:50,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:36:50,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:36:50,451 INFO L87 Difference]: Start difference. First operand 4815 states and 8209 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 14:36:53,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:53,592 INFO L93 Difference]: Finished difference Result 11896 states and 20649 transitions. [2024-11-13 14:36:53,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:36:53,594 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 14:36:53,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:53,633 INFO L225 Difference]: With dead ends: 11896 [2024-11-13 14:36:53,634 INFO L226 Difference]: Without dead ends: 7898 [2024-11-13 14:36:53,644 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 14:36:53,645 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 1860 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1889 mSolverCounterSat, 709 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1879 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 2598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 709 IncrementalHoareTripleChecker+Valid, 1889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:53,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1879 Valid, 1056 Invalid, 2598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [709 Valid, 1889 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 14:36:53,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7898 states. [2024-11-13 14:36:54,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7898 to 7658. [2024-11-13 14:36:54,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7658 states, 6355 states have (on average 1.6435877261998426) internal successors, (10445), 6363 states have internal predecessors, (10445), 1268 states have call successors, (1268), 30 states have call predecessors, (1268), 34 states have return successors, (1385), 1266 states have call predecessors, (1385), 1267 states have call successors, (1385) [2024-11-13 14:36:54,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7658 states to 7658 states and 13098 transitions. [2024-11-13 14:36:54,197 INFO L78 Accepts]: Start accepts. Automaton has 7658 states and 13098 transitions. Word has length 175 [2024-11-13 14:36:54,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:54,201 INFO L471 AbstractCegarLoop]: Abstraction has 7658 states and 13098 transitions. [2024-11-13 14:36:54,201 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 14:36:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 7658 states and 13098 transitions. [2024-11-13 14:36:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-13 14:36:54,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:54,249 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 14:36:54,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:36:54,250 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:54,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:54,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1689377890, now seen corresponding path program 1 times [2024-11-13 14:36:54,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:54,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417527871] [2024-11-13 14:36:54,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:54,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:36:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:36:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:36:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:36:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 14:36:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 14:36:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:36:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 14:36:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:36:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:36:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 14:36:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:36:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:36:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:36:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:36:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-13 14:36:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 14:36:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:54,510 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 14:36:54,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:54,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417527871] [2024-11-13 14:36:54,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417527871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:54,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:54,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:36:54,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429958744] [2024-11-13 14:36:54,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:54,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:36:54,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:54,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:36:54,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:36:54,514 INFO L87 Difference]: Start difference. First operand 7658 states and 13098 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 14:36:57,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:57,721 INFO L93 Difference]: Finished difference Result 19511 states and 33925 transitions. [2024-11-13 14:36:57,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:36:57,722 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 14:36:57,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:57,782 INFO L225 Difference]: With dead ends: 19511 [2024-11-13 14:36:57,782 INFO L226 Difference]: Without dead ends: 13072 [2024-11-13 14:36:57,800 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 14:36:57,801 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1773 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 702 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 2628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 702 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:57,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1792 Valid, 1036 Invalid, 2628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [702 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 14:36:57,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13072 states. [2024-11-13 14:36:58,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13072 to 12832. [2024-11-13 14:36:58,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12832 states, 10707 states have (on average 1.6445316148314186) internal successors, (17608), 10715 states have internal predecessors, (17608), 2090 states have call successors, (2090), 30 states have call predecessors, (2090), 34 states have return successors, (2285), 2088 states have call predecessors, (2285), 2089 states have call successors, (2285) [2024-11-13 14:36:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12832 states to 12832 states and 21983 transitions. [2024-11-13 14:36:58,599 INFO L78 Accepts]: Start accepts. Automaton has 12832 states and 21983 transitions. Word has length 195 [2024-11-13 14:36:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:58,600 INFO L471 AbstractCegarLoop]: Abstraction has 12832 states and 21983 transitions. [2024-11-13 14:36:58,600 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 14:36:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 12832 states and 21983 transitions. [2024-11-13 14:36:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-13 14:36:58,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:58,652 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] [2024-11-13 14:36:58,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:36:58,653 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:58,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:58,653 INFO L85 PathProgramCache]: Analyzing trace with hash 439857722, now seen corresponding path program 1 times [2024-11-13 14:36:58,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:58,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468667028] [2024-11-13 14:36:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:58,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:36:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:36:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:36:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:36:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:36:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:36:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:36:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 14:36:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 14:36:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:36:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:36:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:36:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:36:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:36:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 14:36:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:36:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:36:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:36:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 14:36:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 14:36:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,855 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 14:36:58,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:58,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468667028] [2024-11-13 14:36:58,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468667028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:58,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:58,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:36:58,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404748786] [2024-11-13 14:36:58,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:58,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:36:58,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:58,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:36:58,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:36:58,865 INFO L87 Difference]: Start difference. First operand 12832 states and 21983 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 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 14:37:02,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:37:02,541 INFO L93 Difference]: Finished difference Result 30994 states and 53625 transitions. [2024-11-13 14:37:02,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:37:02,541 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 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 177 [2024-11-13 14:37:02,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:37:02,646 INFO L225 Difference]: With dead ends: 30994 [2024-11-13 14:37:02,646 INFO L226 Difference]: Without dead ends: 20385 [2024-11-13 14:37:02,680 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 14:37:02,681 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 1906 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 684 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1925 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:37:02,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1925 Valid, 1030 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [684 Valid, 1824 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 14:37:02,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20385 states. [2024-11-13 14:37:03,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20385 to 20145. [2024-11-13 14:37:03,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20145 states, 16817 states have (on average 1.620621989653327) internal successors, (27254), 16825 states have internal predecessors, (27254), 3293 states have call successors, (3293), 30 states have call predecessors, (3293), 34 states have return successors, (3632), 3291 states have call predecessors, (3632), 3292 states have call successors, (3632) [2024-11-13 14:37:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20145 states to 20145 states and 34179 transitions. [2024-11-13 14:37:03,908 INFO L78 Accepts]: Start accepts. Automaton has 20145 states and 34179 transitions. Word has length 177 [2024-11-13 14:37:03,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:37:03,909 INFO L471 AbstractCegarLoop]: Abstraction has 20145 states and 34179 transitions. [2024-11-13 14:37:03,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 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 14:37:03,909 INFO L276 IsEmpty]: Start isEmpty. Operand 20145 states and 34179 transitions. [2024-11-13 14:37:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 14:37:03,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:37:03,978 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 14:37:03,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:37:03,978 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:37:03,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:37:03,979 INFO L85 PathProgramCache]: Analyzing trace with hash 206803990, now seen corresponding path program 1 times [2024-11-13 14:37:03,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:37:03,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008953980] [2024-11-13 14:37:03,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:37:03,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:37:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:37:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:37:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:37:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:37:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:37:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:37:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:37:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 14:37:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:37:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-13 14:37:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:37:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:37:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:37:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 14:37:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:37:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:37:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:37:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:37:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 14:37:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:37:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:04,175 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 14:37:04,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:37:04,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008953980] [2024-11-13 14:37:04,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008953980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:37:04,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:37:04,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:37:04,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240357010] [2024-11-13 14:37:04,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:37:04,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:37:04,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:37:04,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:37:04,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:37:04,178 INFO L87 Difference]: Start difference. First operand 20145 states and 34179 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 14:37:08,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:37:08,230 INFO L93 Difference]: Finished difference Result 53436 states and 92159 transitions. [2024-11-13 14:37:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:37:08,230 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 14:37:08,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:37:08,431 INFO L225 Difference]: With dead ends: 53436 [2024-11-13 14:37:08,431 INFO L226 Difference]: Without dead ends: 36191 [2024-11-13 14:37:08,491 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 14:37:08,492 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1788 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1872 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 1872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:37:08,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 1023 Invalid, 2591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 1872 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 14:37:08,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36191 states. [2024-11-13 14:37:10,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36191 to 35951. [2024-11-13 14:37:10,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35951 states, 30173 states have (on average 1.6178702813773904) internal successors, (48816), 30181 states have internal predecessors, (48816), 5743 states have call successors, (5743), 30 states have call predecessors, (5743), 34 states have return successors, (6356), 5741 states have call predecessors, (6356), 5742 states have call successors, (6356) [2024-11-13 14:37:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35951 states to 35951 states and 60915 transitions. [2024-11-13 14:37:10,714 INFO L78 Accepts]: Start accepts. Automaton has 35951 states and 60915 transitions. Word has length 178 [2024-11-13 14:37:10,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:37:10,714 INFO L471 AbstractCegarLoop]: Abstraction has 35951 states and 60915 transitions. [2024-11-13 14:37:10,714 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 14:37:10,715 INFO L276 IsEmpty]: Start isEmpty. Operand 35951 states and 60915 transitions. [2024-11-13 14:37:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-13 14:37:10,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:37:10,816 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] [2024-11-13 14:37:10,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:37:10,817 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:37:10,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:37:10,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1469770156, now seen corresponding path program 1 times [2024-11-13 14:37:10,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:37:10,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26980745] [2024-11-13 14:37:10,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:37:10,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:37:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:37:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:37:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:37:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:37:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:37:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:37:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:37:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 14:37:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:37:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:37:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:37:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:37:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:37:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:37:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:37:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:37:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:10,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:37:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:11,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:37:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:11,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:37:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:11,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:37:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:11,007 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 14:37:11,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:37:11,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26980745] [2024-11-13 14:37:11,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26980745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:37:11,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:37:11,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:37:11,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639961867] [2024-11-13 14:37:11,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:37:11,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:37:11,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:37:11,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:37:11,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:37:11,010 INFO L87 Difference]: Start difference. First operand 35951 states and 60915 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, (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 14:37:15,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:37:15,744 INFO L93 Difference]: Finished difference Result 98283 states and 168718 transitions. [2024-11-13 14:37:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:37:15,745 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, (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 179 [2024-11-13 14:37:15,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:37:16,072 INFO L225 Difference]: With dead ends: 98283 [2024-11-13 14:37:16,072 INFO L226 Difference]: Without dead ends: 66188 [2024-11-13 14:37:16,183 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 14:37:16,184 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1929 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 2524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 744 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:37:16,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1948 Valid, 1030 Invalid, 2524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [744 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 14:37:16,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66188 states. [2024-11-13 14:37:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66188 to 65948. [2024-11-13 14:37:19,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65948 states, 55657 states have (on average 1.6139748818657131) internal successors, (89829), 55665 states have internal predecessors, (89829), 10256 states have call successors, (10256), 30 states have call predecessors, (10256), 34 states have return successors, (11401), 10254 states have call predecessors, (11401), 10255 states have call successors, (11401) [2024-11-13 14:37:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65948 states to 65948 states and 111486 transitions. [2024-11-13 14:37:19,390 INFO L78 Accepts]: Start accepts. Automaton has 65948 states and 111486 transitions. Word has length 179 [2024-11-13 14:37:19,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:37:19,391 INFO L471 AbstractCegarLoop]: Abstraction has 65948 states and 111486 transitions. [2024-11-13 14:37:19,391 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, (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 14:37:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 65948 states and 111486 transitions. [2024-11-13 14:37:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-13 14:37:19,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:37:19,535 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 14:37:19,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:37:19,535 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:37:19,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:37:19,536 INFO L85 PathProgramCache]: Analyzing trace with hash -280638559, now seen corresponding path program 1 times [2024-11-13 14:37:19,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:37:19,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257711638] [2024-11-13 14:37:19,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:37:19,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:37:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:37:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:37:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:37:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:37:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:37:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:37:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:37:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 14:37:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:37:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:37:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:37:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:37:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:37:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:37:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:37:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:37:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:37:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:37:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 14:37:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:37:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:37:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-13 14:37:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-13 14:37:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:19,710 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 14:37:19,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:37:19,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257711638] [2024-11-13 14:37:19,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257711638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:37:19,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:37:19,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:37:19,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114220935] [2024-11-13 14:37:19,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:37:19,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:37:19,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:37:19,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:37:19,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:37:19,712 INFO L87 Difference]: Start difference. First operand 65948 states and 111486 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 14:37:25,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:37:25,802 INFO L93 Difference]: Finished difference Result 123944 states and 213151 transitions. [2024-11-13 14:37:25,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:37:25,803 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 14:37:25,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:37:26,323 INFO L225 Difference]: With dead ends: 123944 [2024-11-13 14:37:26,323 INFO L226 Difference]: Without dead ends: 123676 [2024-11-13 14:37:26,376 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 14:37:26,379 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1834 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1842 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 1842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:37:26,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 1034 Invalid, 2561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 1842 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 14:37:26,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123676 states. [2024-11-13 14:37:31,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123676 to 123436. [2024-11-13 14:37:31,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123436 states, 104777 states have (on average 1.6089504375960373) internal successors, (168581), 104785 states have internal predecessors, (168581), 18624 states have call successors, (18624), 30 states have call predecessors, (18624), 34 states have return successors, (20815), 18622 states have call predecessors, (20815), 18623 states have call successors, (20815) [2024-11-13 14:37:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123436 states to 123436 states and 208020 transitions. [2024-11-13 14:37:32,366 INFO L78 Accepts]: Start accepts. Automaton has 123436 states and 208020 transitions. Word has length 199 [2024-11-13 14:37:32,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:37:32,367 INFO L471 AbstractCegarLoop]: Abstraction has 123436 states and 208020 transitions. [2024-11-13 14:37:32,367 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 14:37:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 123436 states and 208020 transitions. [2024-11-13 14:37:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 14:37:32,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:37:32,586 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 14:37:32,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 14:37:32,587 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:37:32,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:37:32,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1310046765, now seen corresponding path program 1 times [2024-11-13 14:37:32,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:37:32,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566951797] [2024-11-13 14:37:32,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:37:32,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:37:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:37:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:37:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:37:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-13 14:37:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:37:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:37:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:37:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:37:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:37:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:37:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:37:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:37:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:37:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:37:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:37:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:37:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:37:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:37:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 14:37:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:37:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:33,809 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 14:37:33,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:37:33,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566951797] [2024-11-13 14:37:33,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566951797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:37:33,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399273803] [2024-11-13 14:37:33,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:37:33,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:37:33,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:37:33,815 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:37:33,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e8578de-5a6c-4ebd-980a-0ba8c2bbde0a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 14:37:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:34,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 14:37:34,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:37:34,778 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 14:37:34,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:37:35,374 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 14:37:35,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399273803] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:37:35,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:37:35,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2024-11-13 14:37:35,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261675249] [2024-11-13 14:37:35,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:37:35,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-13 14:37:35,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:37:35,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-13 14:37:35,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=914, Unknown=0, NotChecked=0, Total=992 [2024-11-13 14:37:35,378 INFO L87 Difference]: Start difference. First operand 123436 states and 208020 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)