./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX --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 b2243f2ebf184fce0ef7b08cdc971efef96ae919ab8c33e807ab93ab6dbfb0b7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:30:09,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:30:09,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:30:09,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:30:09,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:30:09,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:30:09,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:30:09,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:30:09,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:30:09,314 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:30:09,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:30:09,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:30:09,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:30:09,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:30:09,317 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:30:09,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:30:09,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:30:09,319 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:30:09,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:30:09,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:30:09,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:30:09,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:30:09,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:30:09,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:30:09,323 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:30:09,324 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:30:09,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:30:09,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:30:09,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:30:09,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:30:09,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:30:09,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:30:09,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:30:09,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:30:09,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:30:09,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:30:09,329 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:30:09,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:30:09,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:30:09,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:30:09,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:30:09,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:30:09,333 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2243f2ebf184fce0ef7b08cdc971efef96ae919ab8c33e807ab93ab6dbfb0b7 [2024-11-08 16:30:09,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:30:09,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:30:09,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:30:09,712 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:30:09,715 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:30:09,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c Unable to find full path for "g++" [2024-11-08 16:30:12,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:30:12,561 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:30:12,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2024-11-08 16:30:12,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/data/95e0ded49/335b2c8fa37b4cafb0fd4631c40c8ccf/FLAG7315e0254 [2024-11-08 16:30:12,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/data/95e0ded49/335b2c8fa37b4cafb0fd4631c40c8ccf [2024-11-08 16:30:12,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:30:12,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:30:12,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:30:12,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:30:12,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:30:12,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:12" (1/1) ... [2024-11-08 16:30:12,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be2ec1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12, skipping insertion in model container [2024-11-08 16:30:12,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:12" (1/1) ... [2024-11-08 16:30:12,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:30:13,254 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_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c[7657,7670] [2024-11-08 16:30:13,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:30:13,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:30:13,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-08 16:30:13,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [392] [2024-11-08 16:30:13,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [401] [2024-11-08 16:30:13,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [683] [2024-11-08 16:30:13,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [718] [2024-11-08 16:30:13,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1780] [2024-11-08 16:30:13,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1800] [2024-11-08 16:30:13,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2022] [2024-11-08 16:30:13,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2039] [2024-11-08 16:30:13,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2103] [2024-11-08 16:30:13,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2510] [2024-11-08 16:30:13,725 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_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c[7657,7670] [2024-11-08 16:30:13,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:30:13,933 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:30:13,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13 WrapperNode [2024-11-08 16:30:13,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:30:13,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:30:13,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:30:13,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:30:13,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:13,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:14,089 INFO L138 Inliner]: procedures = 127, calls = 185, calls flagged for inlining = 52, calls inlined = 49, statements flattened = 907 [2024-11-08 16:30:14,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:30:14,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:30:14,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:30:14,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:30:14,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:14,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:14,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:14,181 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]. [2024-11-08 16:30:14,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:14,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:14,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:14,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:14,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:14,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:14,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:30:14,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:30:14,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:30:14,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:30:14,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (1/1) ... [2024-11-08 16:30:14,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:30:14,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:14,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:30:14,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:30:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 16:30:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 16:30:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 16:30:14,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 16:30:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 16:30:14,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 16:30:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-08 16:30:14,405 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-08 16:30:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 16:30:14,405 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 16:30:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-08 16:30:14,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-08 16:30:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 16:30:14,406 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 16:30:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 16:30:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 16:30:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 16:30:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 16:30:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-08 16:30:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-08 16:30:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 16:30:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 16:30:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:30:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 16:30:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 16:30:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 16:30:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 16:30:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 16:30:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 16:30:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 16:30:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 16:30:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 16:30:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 16:30:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 16:30:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 16:30:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 16:30:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 16:30:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:30:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:30:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:30:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 16:30:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 16:30:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 16:30:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 16:30:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 16:30:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:30:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:30:14,730 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:30:14,734 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:30:16,024 INFO L? ?]: Removed 433 outVars from TransFormulas that were not future-live. [2024-11-08 16:30:16,024 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:30:16,050 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:30:16,050 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:30:16,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:16 BoogieIcfgContainer [2024-11-08 16:30:16,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:30:16,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:30:16,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:30:16,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:30:16,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:30:12" (1/3) ... [2024-11-08 16:30:16,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dac940f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:30:16, skipping insertion in model container [2024-11-08 16:30:16,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:13" (2/3) ... [2024-11-08 16:30:16,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dac940f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:30:16, skipping insertion in model container [2024-11-08 16:30:16,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:16" (3/3) ... [2024-11-08 16:30:16,062 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product40.cil.c [2024-11-08 16:30:16,086 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:30:16,086 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:30:16,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:30:16,206 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;@52a73b9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:30:16,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:30:16,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 262 states have (on average 1.5648854961832062) internal successors, (410), 265 states have internal predecessors, (410), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 16:30:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 16:30:16,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:16,246 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:16,247 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:16,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:16,254 INFO L85 PathProgramCache]: Analyzing trace with hash -927753486, now seen corresponding path program 1 times [2024-11-08 16:30:16,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:16,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992373874] [2024-11-08 16:30:16,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:16,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 16:30:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 16:30:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 16:30:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:30:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 16:30:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 16:30:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 16:30:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 16:30:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:30:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:30:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,431 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 16:30:17,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:17,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992373874] [2024-11-08 16:30:17,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992373874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:30:17,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609453726] [2024-11-08 16:30:17,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:17,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:17,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:17,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:30:17,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:30:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:30:17,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:18,009 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 16:30:18,013 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:30:18,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609453726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:18,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:30:18,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 16:30:18,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611395661] [2024-11-08 16:30:18,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:18,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:30:18,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:18,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:30:18,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:30:18,070 INFO L87 Difference]: Start difference. First operand has 336 states, 262 states have (on average 1.5648854961832062) internal successors, (410), 265 states have internal predecessors, (410), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:18,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:18,171 INFO L93 Difference]: Finished difference Result 474 states and 710 transitions. [2024-11-08 16:30:18,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:30:18,175 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 106 [2024-11-08 16:30:18,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:18,195 INFO L225 Difference]: With dead ends: 474 [2024-11-08 16:30:18,196 INFO L226 Difference]: Without dead ends: 329 [2024-11-08 16:30:18,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:30:18,213 INFO L432 NwaCegarLoop]: 510 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, 510 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 [2024-11-08 16:30:18,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:30:18,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-08 16:30:18,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-11-08 16:30:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 256 states have (on average 1.55859375) internal successors, (399), 258 states have internal predecessors, (399), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-08 16:30:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 502 transitions. [2024-11-08 16:30:18,323 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 502 transitions. Word has length 106 [2024-11-08 16:30:18,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:18,325 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 502 transitions. [2024-11-08 16:30:18,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:18,326 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 502 transitions. [2024-11-08 16:30:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 16:30:18,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:18,334 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:18,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:30:18,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 16:30:18,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:18,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:18,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1701695003, now seen corresponding path program 1 times [2024-11-08 16:30:18,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:18,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082768485] [2024-11-08 16:30:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:18,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:18,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 16:30:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 16:30:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 16:30:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 16:30:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:30:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:30:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 16:30:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 16:30:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 16:30:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 16:30:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 16:30:19,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:19,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082768485] [2024-11-08 16:30:19,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082768485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:30:19,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559492411] [2024-11-08 16:30:19,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:19,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:19,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:19,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:30:19,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:30:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:30:19,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 16:30:19,727 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:30:19,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559492411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:19,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:30:19,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 16:30:19,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403576963] [2024-11-08 16:30:19,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:19,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:19,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:19,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:19,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:30:19,736 INFO L87 Difference]: Start difference. First operand 329 states and 502 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:19,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:19,828 INFO L93 Difference]: Finished difference Result 464 states and 688 transitions. [2024-11-08 16:30:19,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:19,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2024-11-08 16:30:19,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:19,838 INFO L225 Difference]: With dead ends: 464 [2024-11-08 16:30:19,838 INFO L226 Difference]: Without dead ends: 332 [2024-11-08 16:30:19,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:30:19,845 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 1 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 998 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 [2024-11-08 16:30:19,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 998 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:30:19,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-08 16:30:19,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 331. [2024-11-08 16:30:19,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 258 states have (on average 1.554263565891473) internal successors, (401), 260 states have internal predecessors, (401), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-08 16:30:19,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 504 transitions. [2024-11-08 16:30:19,900 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 504 transitions. Word has length 107 [2024-11-08 16:30:19,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:19,901 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 504 transitions. [2024-11-08 16:30:19,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:19,901 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 504 transitions. [2024-11-08 16:30:19,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-08 16:30:19,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:19,907 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-11-08 16:30:19,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:30:20,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 16:30:20,112 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:20,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:20,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1586000535, now seen corresponding path program 1 times [2024-11-08 16:30:20,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:20,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764671188] [2024-11-08 16:30:20,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:20,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 16:30:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 16:30:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 16:30:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 16:30:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:30:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:30:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:30:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 16:30:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 16:30:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 16:30:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 16:30:20,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:20,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764671188] [2024-11-08 16:30:20,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764671188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:30:20,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199800228] [2024-11-08 16:30:20,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:20,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:20,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:20,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:30:20,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:30:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:30:21,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 16:30:21,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:30:21,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199800228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:21,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:30:21,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 16:30:21,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144602356] [2024-11-08 16:30:21,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:21,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:21,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:21,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:21,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:30:21,116 INFO L87 Difference]: Start difference. First operand 331 states and 504 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:21,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:21,177 INFO L93 Difference]: Finished difference Result 715 states and 1108 transitions. [2024-11-08 16:30:21,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:21,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2024-11-08 16:30:21,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:21,187 INFO L225 Difference]: With dead ends: 715 [2024-11-08 16:30:21,187 INFO L226 Difference]: Without dead ends: 411 [2024-11-08 16:30:21,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:30:21,193 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 142 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 961 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 [2024-11-08 16:30:21,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 961 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:30:21,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-08 16:30:21,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 403. [2024-11-08 16:30:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 316 states have (on average 1.5759493670886076) internal successors, (498), 318 states have internal predecessors, (498), 66 states have call successors, (66), 20 states have call predecessors, (66), 20 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-08 16:30:21,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 629 transitions. [2024-11-08 16:30:21,258 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 629 transitions. Word has length 116 [2024-11-08 16:30:21,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:21,259 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 629 transitions. [2024-11-08 16:30:21,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 629 transitions. [2024-11-08 16:30:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-08 16:30:21,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:21,267 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-11-08 16:30:21,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 16:30:21,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:21,468 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:21,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:21,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2068329336, now seen corresponding path program 1 times [2024-11-08 16:30:21,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:21,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989028139] [2024-11-08 16:30:21,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:21,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 16:30:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 16:30:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 16:30:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 16:30:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 16:30:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 16:30:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:30:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:30:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 16:30:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 16:30:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 16:30:21,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:21,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989028139] [2024-11-08 16:30:21,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989028139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:30:21,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713695479] [2024-11-08 16:30:21,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:21,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:21,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:21,876 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:30:21,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:30:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:22,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:30:22,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:22,420 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 16:30:22,420 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:30:22,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713695479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:22,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:30:22,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 16:30:22,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422206907] [2024-11-08 16:30:22,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:22,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:30:22,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:22,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:30:22,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:30:22,427 INFO L87 Difference]: Start difference. First operand 403 states and 629 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 16:30:22,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:22,536 INFO L93 Difference]: Finished difference Result 797 states and 1248 transitions. [2024-11-08 16:30:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:30:22,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2024-11-08 16:30:22,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:22,545 INFO L225 Difference]: With dead ends: 797 [2024-11-08 16:30:22,545 INFO L226 Difference]: Without dead ends: 405 [2024-11-08 16:30:22,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:30:22,550 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 2 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1965 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 [2024-11-08 16:30:22,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1965 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:30:22,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-08 16:30:22,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-11-08 16:30:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 317 states have (on average 1.5741324921135647) internal successors, (499), 320 states have internal predecessors, (499), 66 states have call successors, (66), 20 states have call predecessors, (66), 21 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2024-11-08 16:30:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 632 transitions. [2024-11-08 16:30:22,592 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 632 transitions. Word has length 117 [2024-11-08 16:30:22,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:22,593 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 632 transitions. [2024-11-08 16:30:22,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 16:30:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 632 transitions. [2024-11-08 16:30:22,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 16:30:22,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:22,597 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-11-08 16:30:22,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 16:30:22,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:22,797 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:22,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:22,798 INFO L85 PathProgramCache]: Analyzing trace with hash 517159141, now seen corresponding path program 1 times [2024-11-08 16:30:22,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:22,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254167093] [2024-11-08 16:30:22,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:22,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:30:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 16:30:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 16:30:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:30:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 16:30:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 16:30:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 16:30:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 16:30:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:30:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 16:30:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 16:30:23,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:23,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254167093] [2024-11-08 16:30:23,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254167093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:30:23,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873135951] [2024-11-08 16:30:23,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:23,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:23,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:23,404 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:30:23,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:30:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:23,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:30:23,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:23,985 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 16:30:23,986 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:30:23,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873135951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:23,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:30:23,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 16:30:23,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657810000] [2024-11-08 16:30:23,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:23,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:30:23,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:23,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:30:23,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:30:23,990 INFO L87 Difference]: Start difference. First operand 405 states and 632 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 16:30:24,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:24,100 INFO L93 Difference]: Finished difference Result 799 states and 1253 transitions. [2024-11-08 16:30:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:30:24,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 118 [2024-11-08 16:30:24,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:24,108 INFO L225 Difference]: With dead ends: 799 [2024-11-08 16:30:24,108 INFO L226 Difference]: Without dead ends: 407 [2024-11-08 16:30:24,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:30:24,113 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 2 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1951 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 [2024-11-08 16:30:24,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1951 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:30:24,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-08 16:30:24,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-08 16:30:24,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 318 states have (on average 1.5723270440251573) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-08 16:30:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 638 transitions. [2024-11-08 16:30:24,147 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 638 transitions. Word has length 118 [2024-11-08 16:30:24,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:24,147 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 638 transitions. [2024-11-08 16:30:24,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 16:30:24,148 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 638 transitions. [2024-11-08 16:30:24,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 16:30:24,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:24,152 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:30:24,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 16:30:24,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:24,353 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:24,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:24,353 INFO L85 PathProgramCache]: Analyzing trace with hash 2090098865, now seen corresponding path program 1 times [2024-11-08 16:30:24,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:24,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911759419] [2024-11-08 16:30:24,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:24,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:30:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:30:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:30:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:30:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:30:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 16:30:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 16:30:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 16:30:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 16:30:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 16:30:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 16:30:24,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:24,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911759419] [2024-11-08 16:30:24,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911759419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:24,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:24,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:30:24,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550529037] [2024-11-08 16:30:24,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:24,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:30:24,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:24,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:30:24,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:30:24,762 INFO L87 Difference]: Start difference. First operand 407 states and 638 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 16:30:28,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:28,066 INFO L93 Difference]: Finished difference Result 945 states and 1508 transitions. [2024-11-08 16:30:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:30:28,067 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 119 [2024-11-08 16:30:28,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:28,075 INFO L225 Difference]: With dead ends: 945 [2024-11-08 16:30:28,076 INFO L226 Difference]: Without dead ends: 561 [2024-11-08 16:30:28,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:30:28,079 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 997 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 2337 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 2337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:28,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 1402 Invalid, 2709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 2337 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-08 16:30:28,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-08 16:30:28,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 407. [2024-11-08 16:30:28,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 318 states have (on average 1.5723270440251573) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2024-11-08 16:30:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 637 transitions. [2024-11-08 16:30:28,148 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 637 transitions. Word has length 119 [2024-11-08 16:30:28,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:28,150 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 637 transitions. [2024-11-08 16:30:28,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 16:30:28,151 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 637 transitions. [2024-11-08 16:30:28,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 16:30:28,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:28,155 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:30:28,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:30:28,155 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:28,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:28,159 INFO L85 PathProgramCache]: Analyzing trace with hash -903409220, now seen corresponding path program 2 times [2024-11-08 16:30:28,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:28,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365057929] [2024-11-08 16:30:28,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:28,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:30:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:30:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 16:30:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 16:30:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 16:30:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 16:30:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 16:30:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 16:30:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:30:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:30:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 16:30:28,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:28,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365057929] [2024-11-08 16:30:28,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365057929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:28,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:28,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:30:28,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853989772] [2024-11-08 16:30:28,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:28,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:30:28,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:28,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:30:28,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:30:28,513 INFO L87 Difference]: Start difference. First operand 407 states and 637 transitions. Second operand has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 16:30:31,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:31,728 INFO L93 Difference]: Finished difference Result 947 states and 1511 transitions. [2024-11-08 16:30:31,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:30:31,729 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2024-11-08 16:30:31,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:31,734 INFO L225 Difference]: With dead ends: 947 [2024-11-08 16:30:31,734 INFO L226 Difference]: Without dead ends: 563 [2024-11-08 16:30:31,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:30:31,737 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 992 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 2366 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 2733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 2366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:31,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 1403 Invalid, 2733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 2366 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-08 16:30:31,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-08 16:30:31,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 409. [2024-11-08 16:30:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 319 states have (on average 1.5705329153605017) internal successors, (501), 324 states have internal predecessors, (501), 66 states have call successors, (66), 20 states have call predecessors, (66), 23 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2024-11-08 16:30:31,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 640 transitions. [2024-11-08 16:30:31,793 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 640 transitions. Word has length 120 [2024-11-08 16:30:31,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:31,794 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 640 transitions. [2024-11-08 16:30:31,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 16:30:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 640 transitions. [2024-11-08 16:30:31,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 16:30:31,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:31,798 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:30:31,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:30:31,799 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:31,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:31,799 INFO L85 PathProgramCache]: Analyzing trace with hash -964123242, now seen corresponding path program 1 times [2024-11-08 16:30:31,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:31,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145668403] [2024-11-08 16:30:31,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:31,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:30:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:30:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:30:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:30:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 16:30:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:30:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:30:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:30:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 16:30:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 16:30:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 16:30:32,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:32,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145668403] [2024-11-08 16:30:32,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145668403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:32,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:32,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:30:32,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544669348] [2024-11-08 16:30:32,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:32,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:30:32,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:32,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:30:32,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:30:32,200 INFO L87 Difference]: Start difference. First operand 409 states and 640 transitions. Second operand has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 16:30:36,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:36,384 INFO L93 Difference]: Finished difference Result 945 states and 1506 transitions. [2024-11-08 16:30:36,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:30:36,385 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 121 [2024-11-08 16:30:36,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:36,389 INFO L225 Difference]: With dead ends: 945 [2024-11-08 16:30:36,390 INFO L226 Difference]: Without dead ends: 563 [2024-11-08 16:30:36,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:30:36,393 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 995 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 3921 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 4300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 3921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:36,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 1944 Invalid, 4300 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [379 Valid, 3921 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-08 16:30:36,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-08 16:30:36,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 409. [2024-11-08 16:30:36,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 319 states have (on average 1.5705329153605017) internal successors, (501), 324 states have internal predecessors, (501), 66 states have call successors, (66), 20 states have call predecessors, (66), 23 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-08 16:30:36,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 639 transitions. [2024-11-08 16:30:36,481 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 639 transitions. Word has length 121 [2024-11-08 16:30:36,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:36,481 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 639 transitions. [2024-11-08 16:30:36,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 16:30:36,482 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 639 transitions. [2024-11-08 16:30:36,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-08 16:30:36,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:36,487 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:30:36,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:30:36,488 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:36,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:36,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1185662796, now seen corresponding path program 2 times [2024-11-08 16:30:36,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:36,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505928766] [2024-11-08 16:30:36,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:36,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:30:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:30:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:30:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 16:30:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 16:30:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:30:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 16:30:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 16:30:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 16:30:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 16:30:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 16:30:36,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:36,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505928766] [2024-11-08 16:30:36,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505928766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:36,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:36,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:30:36,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721107503] [2024-11-08 16:30:36,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:36,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:30:36,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:36,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:30:36,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:30:36,956 INFO L87 Difference]: Start difference. First operand 409 states and 639 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 16:30:40,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:40,650 INFO L93 Difference]: Finished difference Result 947 states and 1512 transitions. [2024-11-08 16:30:40,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:30:40,651 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 122 [2024-11-08 16:30:40,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:40,656 INFO L225 Difference]: With dead ends: 947 [2024-11-08 16:30:40,656 INFO L226 Difference]: Without dead ends: 565 [2024-11-08 16:30:40,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:30:40,659 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 994 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 3951 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 4320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 3951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:40,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 1944 Invalid, 4320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 3951 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-08 16:30:40,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-08 16:30:40,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 411. [2024-11-08 16:30:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 320 states have (on average 1.56875) internal successors, (502), 326 states have internal predecessors, (502), 66 states have call successors, (66), 20 states have call predecessors, (66), 24 states have return successors, (77), 64 states have call predecessors, (77), 65 states have call successors, (77) [2024-11-08 16:30:40,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 645 transitions. [2024-11-08 16:30:40,738 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 645 transitions. Word has length 122 [2024-11-08 16:30:40,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:40,739 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 645 transitions. [2024-11-08 16:30:40,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-08 16:30:40,739 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 645 transitions. [2024-11-08 16:30:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 16:30:40,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:40,743 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:30:40,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:30:40,744 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:40,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:40,744 INFO L85 PathProgramCache]: Analyzing trace with hash -289847397, now seen corresponding path program 1 times [2024-11-08 16:30:40,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:40,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269856138] [2024-11-08 16:30:40,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:40,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:40,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:40,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:40,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:30:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:30:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:30:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 16:30:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 16:30:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 16:30:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:30:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:30:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 16:30:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 16:30:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-08 16:30:41,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:41,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269856138] [2024-11-08 16:30:41,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269856138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:30:41,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127154210] [2024-11-08 16:30:41,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:41,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:41,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:41,123 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:30:41,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 16:30:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:41,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:30:41,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:30:41,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:30:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:30:41,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127154210] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:30:41,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:30:41,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-08 16:30:41,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837943706] [2024-11-08 16:30:41,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:30:41,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 16:30:41,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:41,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 16:30:41,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:30:41,773 INFO L87 Difference]: Start difference. First operand 411 states and 645 transitions. Second operand has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 11 states have internal predecessors, (131), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-08 16:30:46,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:46,192 INFO L93 Difference]: Finished difference Result 1412 states and 2349 transitions. [2024-11-08 16:30:46,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 16:30:46,194 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 11 states have internal predecessors, (131), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 123 [2024-11-08 16:30:46,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:46,208 INFO L225 Difference]: With dead ends: 1412 [2024-11-08 16:30:46,208 INFO L226 Difference]: Without dead ends: 1032 [2024-11-08 16:30:46,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-08 16:30:46,212 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 2418 mSDsluCounter, 2001 mSDsCounter, 0 mSdLazyCounter, 3966 mSolverCounterSat, 741 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2438 SdHoareTripleChecker+Valid, 2217 SdHoareTripleChecker+Invalid, 4707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 741 IncrementalHoareTripleChecker+Valid, 3966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:46,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2438 Valid, 2217 Invalid, 4707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [741 Valid, 3966 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-08 16:30:46,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-11-08 16:30:46,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 854. [2024-11-08 16:30:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 684 states have (on average 1.6198830409356726) internal successors, (1108), 690 states have internal predecessors, (1108), 145 states have call successors, (145), 20 states have call predecessors, (145), 24 states have return successors, (166), 143 states have call predecessors, (166), 144 states have call successors, (166) [2024-11-08 16:30:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1419 transitions. [2024-11-08 16:30:46,298 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1419 transitions. Word has length 123 [2024-11-08 16:30:46,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:46,299 INFO L471 AbstractCegarLoop]: Abstraction has 854 states and 1419 transitions. [2024-11-08 16:30:46,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 11 states have internal predecessors, (131), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-08 16:30:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1419 transitions. [2024-11-08 16:30:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 16:30:46,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:46,307 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:30:46,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 16:30:46,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:30:46,511 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:46,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:46,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1268853005, now seen corresponding path program 1 times [2024-11-08 16:30:46,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:46,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192989605] [2024-11-08 16:30:46,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:46,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:30:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:30:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:30:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 16:30:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 16:30:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 16:30:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 16:30:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 16:30:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:30:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:30:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:30:46,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:46,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192989605] [2024-11-08 16:30:46,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192989605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:46,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:46,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:30:46,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192451337] [2024-11-08 16:30:46,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:46,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:30:46,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:46,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:30:46,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:30:46,695 INFO L87 Difference]: Start difference. First operand 854 states and 1419 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:49,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:49,050 INFO L93 Difference]: Finished difference Result 2207 states and 3758 transitions. [2024-11-08 16:30:49,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:30:49,051 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2024-11-08 16:30:49,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:49,063 INFO L225 Difference]: With dead ends: 2207 [2024-11-08 16:30:49,064 INFO L226 Difference]: Without dead ends: 1431 [2024-11-08 16:30:49,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:30:49,069 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 1130 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:49,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1148 Valid, 1078 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 16:30:49,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2024-11-08 16:30:49,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1269. [2024-11-08 16:30:49,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 1020 states have (on average 1.6352941176470588) internal successors, (1668), 1026 states have internal predecessors, (1668), 224 states have call successors, (224), 20 states have call predecessors, (224), 24 states have return successors, (255), 222 states have call predecessors, (255), 223 states have call successors, (255) [2024-11-08 16:30:49,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 2147 transitions. [2024-11-08 16:30:49,222 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 2147 transitions. Word has length 126 [2024-11-08 16:30:49,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:49,223 INFO L471 AbstractCegarLoop]: Abstraction has 1269 states and 2147 transitions. [2024-11-08 16:30:49,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 2147 transitions. [2024-11-08 16:30:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 16:30:49,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:49,232 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:30:49,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:30:49,233 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:49,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:49,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1756195295, now seen corresponding path program 1 times [2024-11-08 16:30:49,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:49,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903911232] [2024-11-08 16:30:49,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:49,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:30:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:30:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:30:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 16:30:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 16:30:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:30:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:30:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:30:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 16:30:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 16:30:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:30:49,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:49,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903911232] [2024-11-08 16:30:49,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903911232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:49,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:49,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:30:49,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759210801] [2024-11-08 16:30:49,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:49,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:30:49,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:49,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:30:49,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:30:49,404 INFO L87 Difference]: Start difference. First operand 1269 states and 2147 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:51,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:51,724 INFO L93 Difference]: Finished difference Result 3246 states and 5571 transitions. [2024-11-08 16:30:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:30:51,726 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2024-11-08 16:30:51,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:51,746 INFO L225 Difference]: With dead ends: 3246 [2024-11-08 16:30:51,746 INFO L226 Difference]: Without dead ends: 2108 [2024-11-08 16:30:51,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:30:51,753 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1128 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:51,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 1038 Invalid, 1802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 16:30:51,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2024-11-08 16:30:51,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 1946. [2024-11-08 16:30:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1946 states, 1578 states have (on average 1.641318124207858) internal successors, (2590), 1584 states have internal predecessors, (2590), 343 states have call successors, (343), 20 states have call predecessors, (343), 24 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2024-11-08 16:30:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 3307 transitions. [2024-11-08 16:30:51,908 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 3307 transitions. Word has length 127 [2024-11-08 16:30:51,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:51,909 INFO L471 AbstractCegarLoop]: Abstraction has 1946 states and 3307 transitions. [2024-11-08 16:30:51,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:51,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 3307 transitions. [2024-11-08 16:30:51,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 16:30:51,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:51,922 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:30:51,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:30:51,923 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:51,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:51,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1728159809, now seen corresponding path program 1 times [2024-11-08 16:30:51,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:51,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45274534] [2024-11-08 16:30:51,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:51,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:30:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:30:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:30:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 16:30:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 16:30:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:30:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 16:30:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 16:30:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 16:30:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 16:30:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:30:52,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:52,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45274534] [2024-11-08 16:30:52,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45274534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:52,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:52,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:30:52,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546709191] [2024-11-08 16:30:52,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:52,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:30:52,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:52,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:30:52,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:30:52,134 INFO L87 Difference]: Start difference. First operand 1946 states and 3307 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:54,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:54,404 INFO L93 Difference]: Finished difference Result 4831 states and 8350 transitions. [2024-11-08 16:30:54,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:30:54,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2024-11-08 16:30:54,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:54,421 INFO L225 Difference]: With dead ends: 4831 [2024-11-08 16:30:54,422 INFO L226 Difference]: Without dead ends: 3151 [2024-11-08 16:30:54,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:30:54,430 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1125 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1143 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 1801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:54,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1143 Valid, 1024 Invalid, 1801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 16:30:54,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2024-11-08 16:30:54,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 2989. [2024-11-08 16:30:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2989 states, 2459 states have (on average 1.6461976413176087) internal successors, (4048), 2465 states have internal predecessors, (4048), 505 states have call successors, (505), 20 states have call predecessors, (505), 24 states have return successors, (552), 503 states have call predecessors, (552), 504 states have call successors, (552) [2024-11-08 16:30:54,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2989 states and 5105 transitions. [2024-11-08 16:30:54,650 INFO L78 Accepts]: Start accepts. Automaton has 2989 states and 5105 transitions. Word has length 128 [2024-11-08 16:30:54,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:54,651 INFO L471 AbstractCegarLoop]: Abstraction has 2989 states and 5105 transitions. [2024-11-08 16:30:54,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 5105 transitions. [2024-11-08 16:30:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 16:30:54,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:54,669 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:30:54,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:30:54,669 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:54,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:54,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1751994274, now seen corresponding path program 1 times [2024-11-08 16:30:54,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:54,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940658545] [2024-11-08 16:30:54,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:54,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:30:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:30:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:30:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 16:30:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 16:30:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 16:30:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:30:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:30:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 16:30:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 16:30:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:30:54,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:54,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940658545] [2024-11-08 16:30:54,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940658545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:54,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:54,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:30:54,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628539603] [2024-11-08 16:30:54,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:54,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:30:54,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:54,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:30:54,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:30:54,856 INFO L87 Difference]: Start difference. First operand 2989 states and 5105 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:57,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:57,165 INFO L93 Difference]: Finished difference Result 7345 states and 12765 transitions. [2024-11-08 16:30:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:30:57,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 129 [2024-11-08 16:30:57,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:57,197 INFO L225 Difference]: With dead ends: 7345 [2024-11-08 16:30:57,197 INFO L226 Difference]: Without dead ends: 4841 [2024-11-08 16:30:57,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:30:57,208 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1123 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 419 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 419 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:57,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1141 Valid, 1024 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [419 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 16:30:57,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4841 states. [2024-11-08 16:30:57,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4841 to 4679. [2024-11-08 16:30:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4679 states, 3904 states have (on average 1.6495901639344261) internal successors, (6440), 3910 states have internal predecessors, (6440), 750 states have call successors, (750), 20 states have call predecessors, (750), 24 states have return successors, (823), 748 states have call predecessors, (823), 749 states have call successors, (823) [2024-11-08 16:30:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4679 states to 4679 states and 8013 transitions. [2024-11-08 16:30:57,520 INFO L78 Accepts]: Start accepts. Automaton has 4679 states and 8013 transitions. Word has length 129 [2024-11-08 16:30:57,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:57,520 INFO L471 AbstractCegarLoop]: Abstraction has 4679 states and 8013 transitions. [2024-11-08 16:30:57,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:30:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 4679 states and 8013 transitions. [2024-11-08 16:30:57,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 16:30:57,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:57,539 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:30:57,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:30:57,539 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:57,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:57,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1843775741, now seen corresponding path program 1 times [2024-11-08 16:30:57,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:57,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345299533] [2024-11-08 16:30:57,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:57,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:30:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:30:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:30:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:30:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:30:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:30:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:30:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:30:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 16:30:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 16:30:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 16:30:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 16:30:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 16:30:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:30:57,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:57,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345299533] [2024-11-08 16:30:57,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345299533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:57,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:57,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:30:57,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977137374] [2024-11-08 16:30:57,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:57,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:30:57,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:57,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:30:57,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:30:57,781 INFO L87 Difference]: Start difference. First operand 4679 states and 8013 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:00,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:31:00,273 INFO L93 Difference]: Finished difference Result 11546 states and 20142 transitions. [2024-11-08 16:31:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:00,274 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 130 [2024-11-08 16:31:00,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:31:00,326 INFO L225 Difference]: With dead ends: 11546 [2024-11-08 16:31:00,326 INFO L226 Difference]: Without dead ends: 7684 [2024-11-08 16:31:00,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:31:00,344 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 1122 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1140 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:31:00,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1140 Valid, 1042 Invalid, 1796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 16:31:00,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7684 states. [2024-11-08 16:31:00,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7684 to 7522. [2024-11-08 16:31:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7522 states, 6254 states have (on average 1.6467860569235688) internal successors, (10299), 6260 states have internal predecessors, (10299), 1243 states have call successors, (1243), 20 states have call predecessors, (1243), 24 states have return successors, (1360), 1241 states have call predecessors, (1360), 1242 states have call successors, (1360) [2024-11-08 16:31:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7522 states to 7522 states and 12902 transitions. [2024-11-08 16:31:00,903 INFO L78 Accepts]: Start accepts. Automaton has 7522 states and 12902 transitions. Word has length 130 [2024-11-08 16:31:00,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:31:00,903 INFO L471 AbstractCegarLoop]: Abstraction has 7522 states and 12902 transitions. [2024-11-08 16:31:00,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 7522 states and 12902 transitions. [2024-11-08 16:31:00,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 16:31:00,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:31:00,931 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:31:00,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 16:31:00,931 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:31:00,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:00,932 INFO L85 PathProgramCache]: Analyzing trace with hash -927349478, now seen corresponding path program 1 times [2024-11-08 16:31:00,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:00,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713993967] [2024-11-08 16:31:00,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:00,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:31:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:31:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:31:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:31:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:31:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:31:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 16:31:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:31:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 16:31:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 16:31:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 16:31:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 16:31:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 16:31:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,117 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:31:01,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:01,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713993967] [2024-11-08 16:31:01,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713993967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:01,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:01,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:31:01,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74039996] [2024-11-08 16:31:01,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:01,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:31:01,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:01,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:31:01,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:31:01,120 INFO L87 Difference]: Start difference. First operand 7522 states and 12902 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:03,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:31:03,695 INFO L93 Difference]: Finished difference Result 19161 states and 33418 transitions. [2024-11-08 16:31:03,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:03,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 131 [2024-11-08 16:31:03,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:31:03,774 INFO L225 Difference]: With dead ends: 19161 [2024-11-08 16:31:03,775 INFO L226 Difference]: Without dead ends: 12858 [2024-11-08 16:31:03,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:31:03,810 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1120 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 1792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:31:03,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 1030 Invalid, 1792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 16:31:03,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12858 states. [2024-11-08 16:31:04,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12858 to 12696. [2024-11-08 16:31:04,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12696 states, 10606 states have (on average 1.646426551008863) internal successors, (17462), 10612 states have internal predecessors, (17462), 2065 states have call successors, (2065), 20 states have call predecessors, (2065), 24 states have return successors, (2260), 2063 states have call predecessors, (2260), 2064 states have call successors, (2260) [2024-11-08 16:31:04,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12696 states to 12696 states and 21787 transitions. [2024-11-08 16:31:04,654 INFO L78 Accepts]: Start accepts. Automaton has 12696 states and 21787 transitions. Word has length 131 [2024-11-08 16:31:04,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:31:04,656 INFO L471 AbstractCegarLoop]: Abstraction has 12696 states and 21787 transitions. [2024-11-08 16:31:04,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:04,657 INFO L276 IsEmpty]: Start isEmpty. Operand 12696 states and 21787 transitions. [2024-11-08 16:31:04,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 16:31:04,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:31:04,693 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:31:04,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 16:31:04,693 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:31:04,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:04,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2125799253, now seen corresponding path program 1 times [2024-11-08 16:31:04,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:04,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160764587] [2024-11-08 16:31:04,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:04,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:31:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:31:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:31:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:31:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:31:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:31:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 16:31:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 16:31:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:31:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 16:31:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 16:31:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:31:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 16:31:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:31:04,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:04,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160764587] [2024-11-08 16:31:04,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160764587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:04,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:04,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:31:04,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311256726] [2024-11-08 16:31:04,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:04,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:31:04,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:04,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:31:04,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:31:04,869 INFO L87 Difference]: Start difference. First operand 12696 states and 21787 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:07,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:31:07,350 INFO L93 Difference]: Finished difference Result 30644 states and 53118 transitions. [2024-11-08 16:31:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:07,351 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 132 [2024-11-08 16:31:07,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:31:07,456 INFO L225 Difference]: With dead ends: 30644 [2024-11-08 16:31:07,456 INFO L226 Difference]: Without dead ends: 20171 [2024-11-08 16:31:07,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:31:07,494 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1119 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:31:07,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1137 Valid, 998 Invalid, 1773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 16:31:07,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20171 states. [2024-11-08 16:31:08,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20171 to 20009. [2024-11-08 16:31:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20009 states, 16716 states have (on average 1.6216798277099784) internal successors, (27108), 16722 states have internal predecessors, (27108), 3268 states have call successors, (3268), 20 states have call predecessors, (3268), 24 states have return successors, (3607), 3266 states have call predecessors, (3607), 3267 states have call successors, (3607) [2024-11-08 16:31:08,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20009 states to 20009 states and 33983 transitions. [2024-11-08 16:31:08,982 INFO L78 Accepts]: Start accepts. Automaton has 20009 states and 33983 transitions. Word has length 132 [2024-11-08 16:31:08,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:31:08,982 INFO L471 AbstractCegarLoop]: Abstraction has 20009 states and 33983 transitions. [2024-11-08 16:31:08,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 20009 states and 33983 transitions. [2024-11-08 16:31:09,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 16:31:09,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:31:09,022 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:31:09,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 16:31:09,022 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:31:09,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:09,023 INFO L85 PathProgramCache]: Analyzing trace with hash 77246073, now seen corresponding path program 1 times [2024-11-08 16:31:09,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:09,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839968022] [2024-11-08 16:31:09,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:09,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:31:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:31:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:31:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:31:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:31:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:31:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 16:31:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 16:31:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 16:31:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:31:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:31:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 16:31:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 16:31:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:09,204 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:31:09,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:09,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839968022] [2024-11-08 16:31:09,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839968022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:09,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:09,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:31:09,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22558751] [2024-11-08 16:31:09,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:09,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:31:09,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:09,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:31:09,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:31:09,209 INFO L87 Difference]: Start difference. First operand 20009 states and 33983 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:12,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:31:12,274 INFO L93 Difference]: Finished difference Result 53086 states and 91652 transitions. [2024-11-08 16:31:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:12,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 133 [2024-11-08 16:31:12,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:31:12,602 INFO L225 Difference]: With dead ends: 53086 [2024-11-08 16:31:12,603 INFO L226 Difference]: Without dead ends: 35977 [2024-11-08 16:31:12,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:31:12,664 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1119 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:31:12,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 1023 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 16:31:12,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35977 states. [2024-11-08 16:31:14,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35977 to 35815. [2024-11-08 16:31:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35815 states, 30072 states have (on average 1.6184490555998936) internal successors, (48670), 30078 states have internal predecessors, (48670), 5718 states have call successors, (5718), 20 states have call predecessors, (5718), 24 states have return successors, (6331), 5716 states have call predecessors, (6331), 5717 states have call successors, (6331) [2024-11-08 16:31:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35815 states to 35815 states and 60719 transitions. [2024-11-08 16:31:15,171 INFO L78 Accepts]: Start accepts. Automaton has 35815 states and 60719 transitions. Word has length 133 [2024-11-08 16:31:15,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:31:15,172 INFO L471 AbstractCegarLoop]: Abstraction has 35815 states and 60719 transitions. [2024-11-08 16:31:15,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand 35815 states and 60719 transitions. [2024-11-08 16:31:15,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:31:15,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:31:15,210 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:31:15,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 16:31:15,210 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:31:15,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:15,211 INFO L85 PathProgramCache]: Analyzing trace with hash -437518085, now seen corresponding path program 1 times [2024-11-08 16:31:15,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:15,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481695811] [2024-11-08 16:31:15,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:15,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:31:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:31:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:31:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:31:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:31:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:31:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 16:31:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 16:31:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:31:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 16:31:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 16:31:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 16:31:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 16:31:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:15,400 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:31:15,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:15,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481695811] [2024-11-08 16:31:15,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481695811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:15,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:15,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:31:15,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146818585] [2024-11-08 16:31:15,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:15,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:31:15,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:15,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:31:15,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:31:15,405 INFO L87 Difference]: Start difference. First operand 35815 states and 60719 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:20,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:31:20,024 INFO L93 Difference]: Finished difference Result 97933 states and 168211 transitions. [2024-11-08 16:31:20,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:20,025 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 134 [2024-11-08 16:31:20,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:31:20,388 INFO L225 Difference]: With dead ends: 97933 [2024-11-08 16:31:20,389 INFO L226 Difference]: Without dead ends: 65974 [2024-11-08 16:31:20,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:31:20,520 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1114 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:31:20,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 1037 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 16:31:20,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65974 states. [2024-11-08 16:31:24,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65974 to 65812. [2024-11-08 16:31:24,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65812 states, 55556 states have (on average 1.614281085751314) internal successors, (89683), 55562 states have internal predecessors, (89683), 10231 states have call successors, (10231), 20 states have call predecessors, (10231), 24 states have return successors, (11376), 10229 states have call predecessors, (11376), 10230 states have call successors, (11376) [2024-11-08 16:31:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65812 states to 65812 states and 111290 transitions. [2024-11-08 16:31:25,053 INFO L78 Accepts]: Start accepts. Automaton has 65812 states and 111290 transitions. Word has length 134 [2024-11-08 16:31:25,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:31:25,053 INFO L471 AbstractCegarLoop]: Abstraction has 65812 states and 111290 transitions. [2024-11-08 16:31:25,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:25,053 INFO L276 IsEmpty]: Start isEmpty. Operand 65812 states and 111290 transitions. [2024-11-08 16:31:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 16:31:25,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:31:25,093 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:31:25,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 16:31:25,094 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:31:25,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:25,094 INFO L85 PathProgramCache]: Analyzing trace with hash -105280423, now seen corresponding path program 1 times [2024-11-08 16:31:25,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:25,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268305589] [2024-11-08 16:31:25,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:25,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:31:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:31:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:31:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:31:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:31:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:31:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:31:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 16:31:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 16:31:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:31:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:31:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 16:31:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 16:31:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 16:31:25,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:25,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268305589] [2024-11-08 16:31:25,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268305589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:25,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:25,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:31:25,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503126045] [2024-11-08 16:31:25,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:25,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:31:25,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:25,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:31:25,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:31:25,272 INFO L87 Difference]: Start difference. First operand 65812 states and 111290 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:31:30,809 INFO L93 Difference]: Finished difference Result 123594 states and 212644 transitions. [2024-11-08 16:31:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:31:30,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 135 [2024-11-08 16:31:30,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:31:31,615 INFO L225 Difference]: With dead ends: 123594 [2024-11-08 16:31:31,615 INFO L226 Difference]: Without dead ends: 123462 [2024-11-08 16:31:31,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:31:31,653 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1111 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1129 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:31:31,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1129 Valid, 1032 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 16:31:31,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123462 states. [2024-11-08 16:31:36,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123462 to 123300. [2024-11-08 16:31:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123300 states, 104676 states have (on average 1.6091081050097444) internal successors, (168435), 104682 states have internal predecessors, (168435), 18599 states have call successors, (18599), 20 states have call predecessors, (18599), 24 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2024-11-08 16:31:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123300 states to 123300 states and 207824 transitions. [2024-11-08 16:31:37,621 INFO L78 Accepts]: Start accepts. Automaton has 123300 states and 207824 transitions. Word has length 135 [2024-11-08 16:31:37,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:31:37,622 INFO L471 AbstractCegarLoop]: Abstraction has 123300 states and 207824 transitions. [2024-11-08 16:31:37,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 16:31:37,622 INFO L276 IsEmpty]: Start isEmpty. Operand 123300 states and 207824 transitions. [2024-11-08 16:31:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 16:31:37,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:31:37,680 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:31:37,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 16:31:37,681 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:31:37,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:37,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1355817756, now seen corresponding path program 1 times [2024-11-08 16:31:37,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:37,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469183516] [2024-11-08 16:31:37,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:37,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:31:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:31:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:31:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:31:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:31:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:31:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:31:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:31:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 16:31:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 16:31:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 16:31:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 16:31:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 16:31:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 16:31:38,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:38,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469183516] [2024-11-08 16:31:38,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469183516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:31:38,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686801874] [2024-11-08 16:31:38,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:38,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:38,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:31:38,527 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:31:38,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 16:31:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:38,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 16:31:38,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:31:39,424 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 16:31:39,425 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:31:39,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686801874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:39,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:31:39,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 29 [2024-11-08 16:31:39,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133006052] [2024-11-08 16:31:39,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:39,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:31:39,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:39,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:31:39,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2024-11-08 16:31:39,428 INFO L87 Difference]: Start difference. First operand 123300 states and 207824 transitions. Second operand has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-08 16:31:44,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:31:44,272 INFO L93 Difference]: Finished difference Result 123588 states and 208236 transitions. [2024-11-08 16:31:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:31:44,272 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 136 [2024-11-08 16:31:44,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:31:45,065 INFO L225 Difference]: With dead ends: 123588 [2024-11-08 16:31:45,065 INFO L226 Difference]: Without dead ends: 123462 [2024-11-08 16:31:45,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=178, Invalid=1462, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 16:31:45,118 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 692 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:31:45,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 5244 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:31:45,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123462 states. [2024-11-08 16:31:50,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123462 to 123443. [2024-11-08 16:31:50,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123443 states, 104783 states have (on average 1.6088964812994475) internal successors, (168585), 104790 states have internal predecessors, (168585), 18621 states have call successors, (18621), 32 states have call predecessors, (18621), 38 states have return successors, (20824), 18620 states have call predecessors, (20824), 18619 states have call successors, (20824) [2024-11-08 16:31:50,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123443 states to 123443 states and 208030 transitions. [2024-11-08 16:31:50,964 INFO L78 Accepts]: Start accepts. Automaton has 123443 states and 208030 transitions. Word has length 136 [2024-11-08 16:31:50,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:31:50,965 INFO L471 AbstractCegarLoop]: Abstraction has 123443 states and 208030 transitions. [2024-11-08 16:31:50,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-08 16:31:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 123443 states and 208030 transitions. [2024-11-08 16:31:51,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 16:31:51,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:31:51,040 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-08 16:31:51,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 16:31:51,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:51,241 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:31:51,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:31:51,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1140555685, now seen corresponding path program 1 times [2024-11-08 16:31:51,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:31:51,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468300972] [2024-11-08 16:31:51,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:51,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:31:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:31:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:31:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:31:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:31:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:31:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:31:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:31:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 16:31:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 16:31:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 16:31:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 16:31:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 16:31:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-08 16:31:51,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:51,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468300972] [2024-11-08 16:31:51,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468300972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:31:51,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913349726] [2024-11-08 16:31:51,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:31:51,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:31:51,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:31:51,546 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:31:51,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4783ef-34b1-4588-bf16-a6c2c0de5e8d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 16:31:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:52,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:31:52,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:31:52,136 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 16:31:52,137 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:31:52,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913349726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:52,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:31:52,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 16:31:52,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459260176] [2024-11-08 16:31:52,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:52,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:31:52,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:52,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:31:52,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:31:52,142 INFO L87 Difference]: Start difference. First operand 123443 states and 208030 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 16:31:56,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:31:56,227 INFO L93 Difference]: Finished difference Result 123576 states and 208221 transitions. [2024-11-08 16:31:56,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:31:56,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 137 [2024-11-08 16:31:56,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted.