./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 23422b93e8eb894b39d133f7e6eb45372f0db0df72df3fa3f3890b8e90f2fd0e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 00:46:46,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 00:46:46,192 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 00:46:46,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 00:46:46,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 00:46:46,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 00:46:46,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 00:46:46,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 00:46:46,235 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 00:46:46,236 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 00:46:46,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 00:46:46,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 00:46:46,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 00:46:46,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 00:46:46,240 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 00:46:46,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 00:46:46,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 00:46:46,241 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 00:46:46,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 00:46:46,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 00:46:46,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 00:46:46,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 00:46:46,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 00:46:46,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 00:46:46,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 00:46:46,246 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 00:46:46,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 00:46:46,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 00:46:46,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 00:46:46,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 00:46:46,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 00:46:46,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 00:46:46,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:46:46,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 00:46:46,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 00:46:46,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 00:46:46,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 00:46:46,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 00:46:46,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 00:46:46,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 00:46:46,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 00:46:46,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 00:46:46,252 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23422b93e8eb894b39d133f7e6eb45372f0db0df72df3fa3f3890b8e90f2fd0e [2024-10-24 00:46:46,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 00:46:46,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 00:46:46,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 00:46:46,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 00:46:46,533 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 00:46:46,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c [2024-10-24 00:46:47,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 00:46:48,266 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 00:46:48,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c [2024-10-24 00:46:48,290 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1790f911/5b931f2a0edf4a7c8604c42cef904fdf/FLAG16a3e1e4e [2024-10-24 00:46:48,508 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1790f911/5b931f2a0edf4a7c8604c42cef904fdf [2024-10-24 00:46:48,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 00:46:48,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 00:46:48,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 00:46:48,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 00:46:48,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 00:46:48,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:46:48" (1/1) ... [2024-10-24 00:46:48,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1547cbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:48, skipping insertion in model container [2024-10-24 00:46:48,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:46:48" (1/1) ... [2024-10-24 00:46:48,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 00:46:49,173 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c[65472,65485] [2024-10-24 00:46:49,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:46:49,191 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 00:46:49,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-10-24 00:46:49,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [97] [2024-10-24 00:46:49,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [326] [2024-10-24 00:46:49,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [757] [2024-10-24 00:46:49,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [1156] [2024-10-24 00:46:49,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1185] [2024-10-24 00:46:49,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1202] [2024-10-24 00:46:49,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1568] [2024-10-24 00:46:49,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2640] [2024-10-24 00:46:49,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2776] [2024-10-24 00:46:49,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3064] [2024-10-24 00:46:49,317 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c[65472,65485] [2024-10-24 00:46:49,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:46:49,360 INFO L204 MainTranslator]: Completed translation [2024-10-24 00:46:49,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49 WrapperNode [2024-10-24 00:46:49,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 00:46:49,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 00:46:49,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 00:46:49,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 00:46:49,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,472 INFO L138 Inliner]: procedures = 134, calls = 219, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 985 [2024-10-24 00:46:49,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 00:46:49,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 00:46:49,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 00:46:49,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 00:46:49,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,501 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,545 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]. [2024-10-24 00:46:49,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 00:46:49,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 00:46:49,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 00:46:49,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 00:46:49,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (1/1) ... [2024-10-24 00:46:49,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:46:49,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:49,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 00:46:49,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 00:46:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-24 00:46:49,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-24 00:46:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-24 00:46:49,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-24 00:46:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-24 00:46:49,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-24 00:46:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-24 00:46:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-24 00:46:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-24 00:46:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-24 00:46:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-24 00:46:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-24 00:46:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-24 00:46:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-24 00:46:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-24 00:46:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-24 00:46:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-24 00:46:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-24 00:46:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-24 00:46:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-24 00:46:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-24 00:46:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-24 00:46:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-24 00:46:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-24 00:46:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-24 00:46:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-24 00:46:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-24 00:46:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-24 00:46:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-24 00:46:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-24 00:46:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 00:46:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-24 00:46:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-24 00:46:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-24 00:46:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-24 00:46:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-24 00:46:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-24 00:46:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-24 00:46:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-24 00:46:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-24 00:46:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-24 00:46:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-24 00:46:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-24 00:46:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-24 00:46:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-24 00:46:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-24 00:46:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-24 00:46:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-24 00:46:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-24 00:46:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-24 00:46:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-24 00:46:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-24 00:46:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-24 00:46:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 00:46:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 00:46:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 00:46:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 00:46:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-24 00:46:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-24 00:46:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-24 00:46:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-24 00:46:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 00:46:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 00:46:49,945 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 00:46:49,947 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 00:46:50,989 INFO L? ?]: Removed 536 outVars from TransFormulas that were not future-live. [2024-10-24 00:46:50,990 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 00:46:51,058 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 00:46:51,058 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 00:46:51,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:46:51 BoogieIcfgContainer [2024-10-24 00:46:51,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 00:46:51,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 00:46:51,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 00:46:51,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 00:46:51,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:46:48" (1/3) ... [2024-10-24 00:46:51,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdf229c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:46:51, skipping insertion in model container [2024-10-24 00:46:51,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:46:49" (2/3) ... [2024-10-24 00:46:51,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdf229c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:46:51, skipping insertion in model container [2024-10-24 00:46:51,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:46:51" (3/3) ... [2024-10-24 00:46:51,072 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product32.cil.c [2024-10-24 00:46:51,087 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 00:46:51,088 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 00:46:51,169 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 00:46:51,178 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;@4e3efc95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 00:46:51,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 00:46:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 397 states, 302 states have (on average 1.6026490066225165) internal successors, (484), 307 states have internal predecessors, (484), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-24 00:46:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 00:46:51,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:51,213 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:51,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:51,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:51,220 INFO L85 PathProgramCache]: Analyzing trace with hash 831694822, now seen corresponding path program 1 times [2024-10-24 00:46:51,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:51,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580452923] [2024-10-24 00:46:51,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:51,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:46:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:46:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:46:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 00:46:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 00:46:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:46:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:46:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:46:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:46:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:46:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:46:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 00:46:51,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:51,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580452923] [2024-10-24 00:46:51,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580452923] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:46:51,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121605468] [2024-10-24 00:46:51,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:51,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:51,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:51,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:46:51,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 00:46:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:52,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 1085 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 00:46:52,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:46:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:46:52,392 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:46:52,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121605468] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:52,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:46:52,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-24 00:46:52,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406197699] [2024-10-24 00:46:52,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:52,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 00:46:52,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:52,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 00:46:52,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:46:52,432 INFO L87 Difference]: Start difference. First operand has 397 states, 302 states have (on average 1.6026490066225165) internal successors, (484), 307 states have internal predecessors, (484), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:52,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:46:52,529 INFO L93 Difference]: Finished difference Result 610 states and 927 transitions. [2024-10-24 00:46:52,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 00:46:52,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 104 [2024-10-24 00:46:52,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:46:52,549 INFO L225 Difference]: With dead ends: 610 [2024-10-24 00:46:52,550 INFO L226 Difference]: Without dead ends: 394 [2024-10-24 00:46:52,559 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 [2024-10-24 00:46:52,562 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:46:52,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 595 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:46:52,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-10-24 00:46:52,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2024-10-24 00:46:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 300 states have (on average 1.59) internal successors, (477), 304 states have internal predecessors, (477), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-24 00:46:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 606 transitions. [2024-10-24 00:46:52,638 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 606 transitions. Word has length 104 [2024-10-24 00:46:52,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:46:52,642 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 606 transitions. [2024-10-24 00:46:52,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:52,642 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 606 transitions. [2024-10-24 00:46:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 00:46:52,651 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:52,652 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:52,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 00:46:52,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-24 00:46:52,857 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:52,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:52,858 INFO L85 PathProgramCache]: Analyzing trace with hash 401034581, now seen corresponding path program 1 times [2024-10-24 00:46:52,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:52,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001916638] [2024-10-24 00:46:52,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:52,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:46:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:46:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:46:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 00:46:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 00:46:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:46:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:46:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:46:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:46:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:46:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:46:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 00:46:53,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:53,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001916638] [2024-10-24 00:46:53,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001916638] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:46:53,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955686730] [2024-10-24 00:46:53,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:53,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:53,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:53,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:46:53,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 00:46:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:53,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 00:46:53,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:46:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:46:53,583 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:46:53,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955686730] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:53,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:46:53,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-24 00:46:53,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984276399] [2024-10-24 00:46:53,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:53,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 00:46:53,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:53,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 00:46:53,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:46:53,589 INFO L87 Difference]: Start difference. First operand 394 states and 606 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:46:53,664 INFO L93 Difference]: Finished difference Result 606 states and 911 transitions. [2024-10-24 00:46:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 00:46:53,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2024-10-24 00:46:53,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:46:53,672 INFO L225 Difference]: With dead ends: 606 [2024-10-24 00:46:53,672 INFO L226 Difference]: Without dead ends: 396 [2024-10-24 00:46:53,673 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 [2024-10-24 00:46:53,674 INFO L432 NwaCegarLoop]: 592 mSDtfsCounter, 0 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:46:53,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1183 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:46:53,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-10-24 00:46:53,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-10-24 00:46:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 302 states have (on average 1.586092715231788) internal successors, (479), 306 states have internal predecessors, (479), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-24 00:46:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 608 transitions. [2024-10-24 00:46:53,709 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 608 transitions. Word has length 105 [2024-10-24 00:46:53,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:46:53,709 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 608 transitions. [2024-10-24 00:46:53,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:53,710 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 608 transitions. [2024-10-24 00:46:53,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 00:46:53,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:53,716 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:53,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 00:46:53,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-24 00:46:53,917 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:53,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:53,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2020413998, now seen corresponding path program 1 times [2024-10-24 00:46:53,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:53,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824199589] [2024-10-24 00:46:53,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:53,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:46:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:46:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:46:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 00:46:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:46:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:46:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:46:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 00:46:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:46:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:46:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 00:46:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:46:54,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:54,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824199589] [2024-10-24 00:46:54,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824199589] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:46:54,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006525422] [2024-10-24 00:46:54,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:54,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:54,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:54,242 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:46:54,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 00:46:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:54,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 00:46:54,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:46:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:46:54,608 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:46:54,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006525422] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:54,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:46:54,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-24 00:46:54,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034896294] [2024-10-24 00:46:54,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:54,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 00:46:54,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:54,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 00:46:54,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:46:54,612 INFO L87 Difference]: Start difference. First operand 396 states and 608 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:54,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:46:54,680 INFO L93 Difference]: Finished difference Result 840 states and 1308 transitions. [2024-10-24 00:46:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 00:46:54,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 112 [2024-10-24 00:46:54,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:46:54,684 INFO L225 Difference]: With dead ends: 840 [2024-10-24 00:46:54,685 INFO L226 Difference]: Without dead ends: 466 [2024-10-24 00:46:54,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:46:54,688 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 129 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:46:54,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1154 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:46:54,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-10-24 00:46:54,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 461. [2024-10-24 00:46:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 353 states have (on average 1.6033994334277621) internal successors, (566), 357 states have internal predecessors, (566), 79 states have call successors, (79), 28 states have call predecessors, (79), 28 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-24 00:46:54,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 723 transitions. [2024-10-24 00:46:54,729 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 723 transitions. Word has length 112 [2024-10-24 00:46:54,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:46:54,730 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 723 transitions. [2024-10-24 00:46:54,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:46:54,730 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 723 transitions. [2024-10-24 00:46:54,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-24 00:46:54,734 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:54,736 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:54,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 00:46:54,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:54,937 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:54,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:54,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1216431715, now seen corresponding path program 1 times [2024-10-24 00:46:54,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:54,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267168559] [2024-10-24 00:46:54,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:54,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:46:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:46:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:46:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 00:46:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:46:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:46:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:46:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 00:46:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:46:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:46:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:46:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:46:55,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:55,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267168559] [2024-10-24 00:46:55,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267168559] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:46:55,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675996052] [2024-10-24 00:46:55,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:55,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:55,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:55,176 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:46:55,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 00:46:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:55,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 00:46:55,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:46:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 00:46:55,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:46:55,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675996052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:55,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:46:55,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-24 00:46:55,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363307560] [2024-10-24 00:46:55,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:55,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:46:55,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:55,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:46:55,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:46:55,547 INFO L87 Difference]: Start difference. First operand 461 states and 723 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:46:55,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:46:55,669 INFO L93 Difference]: Finished difference Result 917 states and 1440 transitions. [2024-10-24 00:46:55,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:46:55,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 113 [2024-10-24 00:46:55,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:46:55,674 INFO L225 Difference]: With dead ends: 917 [2024-10-24 00:46:55,674 INFO L226 Difference]: Without dead ends: 463 [2024-10-24 00:46:55,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:46:55,679 INFO L432 NwaCegarLoop]: 584 mSDtfsCounter, 2 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:46:55,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2325 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:46:55,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-10-24 00:46:55,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2024-10-24 00:46:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 354 states have (on average 1.6016949152542372) internal successors, (567), 359 states have internal predecessors, (567), 79 states have call successors, (79), 28 states have call predecessors, (79), 29 states have return successors, (80), 77 states have call predecessors, (80), 78 states have call successors, (80) [2024-10-24 00:46:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 726 transitions. [2024-10-24 00:46:55,708 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 726 transitions. Word has length 113 [2024-10-24 00:46:55,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:46:55,709 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 726 transitions. [2024-10-24 00:46:55,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:46:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 726 transitions. [2024-10-24 00:46:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 00:46:55,712 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:55,712 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:55,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 00:46:55,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:55,913 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:55,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:55,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1105213554, now seen corresponding path program 1 times [2024-10-24 00:46:55,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:55,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499993223] [2024-10-24 00:46:55,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:55,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:46:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 00:46:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 00:46:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 00:46:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 00:46:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 00:46:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:46:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:46:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:46:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:46:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 00:46:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 00:46:56,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:56,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499993223] [2024-10-24 00:46:56,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499993223] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:46:56,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52854063] [2024-10-24 00:46:56,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:56,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:56,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:46:56,218 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:46:56,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 00:46:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:56,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 00:46:56,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:46:56,581 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 00:46:56,581 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:46:56,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52854063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:56,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:46:56,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-24 00:46:56,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24630164] [2024-10-24 00:46:56,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:56,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:46:56,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:56,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:46:56,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:46:56,583 INFO L87 Difference]: Start difference. First operand 463 states and 726 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:46:56,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:46:56,689 INFO L93 Difference]: Finished difference Result 919 states and 1445 transitions. [2024-10-24 00:46:56,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:46:56,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 114 [2024-10-24 00:46:56,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:46:56,694 INFO L225 Difference]: With dead ends: 919 [2024-10-24 00:46:56,694 INFO L226 Difference]: Without dead ends: 465 [2024-10-24 00:46:56,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:46:56,696 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 2 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:46:56,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2311 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:46:56,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-10-24 00:46:56,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2024-10-24 00:46:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 355 states have (on average 1.6) internal successors, (568), 361 states have internal predecessors, (568), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (85), 77 states have call predecessors, (85), 78 states have call successors, (85) [2024-10-24 00:46:56,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 732 transitions. [2024-10-24 00:46:56,721 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 732 transitions. Word has length 114 [2024-10-24 00:46:56,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:46:56,722 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 732 transitions. [2024-10-24 00:46:56,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:46:56,722 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 732 transitions. [2024-10-24 00:46:56,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 00:46:56,724 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:56,725 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:46:56,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 00:46:56,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:46:56,929 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:56,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:56,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1925462659, now seen corresponding path program 1 times [2024-10-24 00:46:56,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:56,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677553824] [2024-10-24 00:46:56,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:56,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:46:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:46:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 00:46:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 00:46:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 00:46:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:46:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:46:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:46:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:46:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:46:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:46:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:46:57,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:57,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677553824] [2024-10-24 00:46:57,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677553824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:57,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:46:57,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 00:46:57,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541216175] [2024-10-24 00:46:57,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:57,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 00:46:57,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:57,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 00:46:57,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:46:57,153 INFO L87 Difference]: Start difference. First operand 465 states and 732 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:46:59,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:46:59,525 INFO L93 Difference]: Finished difference Result 1016 states and 1632 transitions. [2024-10-24 00:46:59,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:46:59,526 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 115 [2024-10-24 00:46:59,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:46:59,531 INFO L225 Difference]: With dead ends: 1016 [2024-10-24 00:46:59,531 INFO L226 Difference]: Without dead ends: 570 [2024-10-24 00:46:59,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:46:59,534 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1354 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2608 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 3095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 2608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:46:59,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 1199 Invalid, 3095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 2608 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-24 00:46:59,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-10-24 00:46:59,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 465. [2024-10-24 00:46:59,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 355 states have (on average 1.6) internal successors, (568), 361 states have internal predecessors, (568), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (84), 77 states have call predecessors, (84), 78 states have call successors, (84) [2024-10-24 00:46:59,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 731 transitions. [2024-10-24 00:46:59,584 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 731 transitions. Word has length 115 [2024-10-24 00:46:59,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:46:59,584 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 731 transitions. [2024-10-24 00:46:59,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:46:59,585 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 731 transitions. [2024-10-24 00:46:59,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-24 00:46:59,589 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:46:59,589 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] [2024-10-24 00:46:59,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 00:46:59,589 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:46:59,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:46:59,590 INFO L85 PathProgramCache]: Analyzing trace with hash 867367762, now seen corresponding path program 2 times [2024-10-24 00:46:59,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:46:59,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444161326] [2024-10-24 00:46:59,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:46:59,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:46:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:46:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:46:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:46:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:46:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:46:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 00:46:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 00:46:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 00:46:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:46:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:46:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:46:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:46:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:46:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 00:46:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:46:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 00:46:59,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:46:59,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444161326] [2024-10-24 00:46:59,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444161326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:46:59,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:46:59,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 00:46:59,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818170527] [2024-10-24 00:46:59,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:46:59,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 00:46:59,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:46:59,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 00:46:59,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:46:59,803 INFO L87 Difference]: Start difference. First operand 465 states and 731 transitions. Second operand has 9 states, 8 states have (on average 9.25) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:47:02,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:02,050 INFO L93 Difference]: Finished difference Result 1018 states and 1635 transitions. [2024-10-24 00:47:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:47:02,050 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 116 [2024-10-24 00:47:02,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:02,054 INFO L225 Difference]: With dead ends: 1018 [2024-10-24 00:47:02,054 INFO L226 Difference]: Without dead ends: 572 [2024-10-24 00:47:02,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:47:02,056 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1349 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2637 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 3110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 2637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:02,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 1198 Invalid, 3110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 2637 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 00:47:02,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-10-24 00:47:02,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 467. [2024-10-24 00:47:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 356 states have (on average 1.598314606741573) internal successors, (569), 363 states have internal predecessors, (569), 79 states have call successors, (79), 28 states have call predecessors, (79), 31 states have return successors, (86), 77 states have call predecessors, (86), 78 states have call successors, (86) [2024-10-24 00:47:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 734 transitions. [2024-10-24 00:47:02,090 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 734 transitions. Word has length 116 [2024-10-24 00:47:02,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:02,090 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 734 transitions. [2024-10-24 00:47:02,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-24 00:47:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 734 transitions. [2024-10-24 00:47:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 00:47:02,093 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:02,093 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:02,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 00:47:02,093 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:02,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:02,094 INFO L85 PathProgramCache]: Analyzing trace with hash 674920424, now seen corresponding path program 1 times [2024-10-24 00:47:02,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:02,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840441491] [2024-10-24 00:47:02,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:02,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:47:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 00:47:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:47:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:47:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:47:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:47:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:47:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:47:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 00:47:02,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:02,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840441491] [2024-10-24 00:47:02,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840441491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:02,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:02,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 00:47:02,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906938243] [2024-10-24 00:47:02,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:02,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 00:47:02,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:02,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 00:47:02,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:47:02,328 INFO L87 Difference]: Start difference. First operand 467 states and 734 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 00:47:05,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:05,204 INFO L93 Difference]: Finished difference Result 1016 states and 1630 transitions. [2024-10-24 00:47:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 00:47:05,205 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 117 [2024-10-24 00:47:05,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:05,210 INFO L225 Difference]: With dead ends: 1016 [2024-10-24 00:47:05,210 INFO L226 Difference]: Without dead ends: 572 [2024-10-24 00:47:05,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-24 00:47:05,215 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1348 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 466 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 4931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 466 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:05,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 1664 Invalid, 4931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [466 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-24 00:47:05,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-10-24 00:47:05,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 467. [2024-10-24 00:47:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 356 states have (on average 1.598314606741573) internal successors, (569), 363 states have internal predecessors, (569), 79 states have call successors, (79), 28 states have call predecessors, (79), 31 states have return successors, (85), 77 states have call predecessors, (85), 78 states have call successors, (85) [2024-10-24 00:47:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 733 transitions. [2024-10-24 00:47:05,267 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 733 transitions. Word has length 117 [2024-10-24 00:47:05,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:05,267 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 733 transitions. [2024-10-24 00:47:05,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 00:47:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 733 transitions. [2024-10-24 00:47:05,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-24 00:47:05,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:05,271 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] [2024-10-24 00:47:05,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 00:47:05,272 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:05,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:05,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1015109873, now seen corresponding path program 2 times [2024-10-24 00:47:05,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:05,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648826712] [2024-10-24 00:47:05,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:05,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:47:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 00:47:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:47:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 00:47:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:47:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:47:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:47:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 00:47:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 00:47:05,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:05,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648826712] [2024-10-24 00:47:05,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648826712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:05,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:05,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 00:47:05,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140401514] [2024-10-24 00:47:05,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:05,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 00:47:05,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:05,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 00:47:05,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:47:05,572 INFO L87 Difference]: Start difference. First operand 467 states and 733 transitions. Second operand has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 00:47:08,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:08,136 INFO L93 Difference]: Finished difference Result 1018 states and 1636 transitions. [2024-10-24 00:47:08,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 00:47:08,137 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 118 [2024-10-24 00:47:08,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:08,141 INFO L225 Difference]: With dead ends: 1018 [2024-10-24 00:47:08,141 INFO L226 Difference]: Without dead ends: 574 [2024-10-24 00:47:08,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-24 00:47:08,143 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1349 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4423 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 4901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 4423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:08,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 1664 Invalid, 4901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 4423 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-24 00:47:08,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-10-24 00:47:08,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 469. [2024-10-24 00:47:08,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 357 states have (on average 1.596638655462185) internal successors, (570), 365 states have internal predecessors, (570), 79 states have call successors, (79), 28 states have call predecessors, (79), 32 states have return successors, (90), 77 states have call predecessors, (90), 78 states have call successors, (90) [2024-10-24 00:47:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 739 transitions. [2024-10-24 00:47:08,180 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 739 transitions. Word has length 118 [2024-10-24 00:47:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:08,180 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 739 transitions. [2024-10-24 00:47:08,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-24 00:47:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 739 transitions. [2024-10-24 00:47:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-24 00:47:08,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:08,183 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:08,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 00:47:08,183 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:08,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:08,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1265842163, now seen corresponding path program 1 times [2024-10-24 00:47:08,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:08,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480229578] [2024-10-24 00:47:08,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:08,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 00:47:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 00:47:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:47:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:47:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:47:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 00:47:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 00:47:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 00:47:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-24 00:47:08,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:08,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480229578] [2024-10-24 00:47:08,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480229578] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:47:08,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670613516] [2024-10-24 00:47:08,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:08,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:47:08,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:47:08,470 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:47:08,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 00:47:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:08,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 00:47:08,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:47:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:08,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:47:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:08,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670613516] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:47:08,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 00:47:08,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-24 00:47:08,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742040957] [2024-10-24 00:47:08,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 00:47:08,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 00:47:08,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:08,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 00:47:08,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:47:08,913 INFO L87 Difference]: Start difference. First operand 469 states and 739 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, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-10-24 00:47:11,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:11,705 INFO L93 Difference]: Finished difference Result 1437 states and 2412 transitions. [2024-10-24 00:47:11,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 00:47:11,707 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, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 119 [2024-10-24 00:47:11,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:11,716 INFO L225 Difference]: With dead ends: 1437 [2024-10-24 00:47:11,717 INFO L226 Difference]: Without dead ends: 994 [2024-10-24 00:47:11,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-24 00:47:11,719 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 2877 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 4242 mSolverCounterSat, 918 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2898 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 918 IncrementalHoareTripleChecker+Valid, 4242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:11,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2898 Valid, 1841 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [918 Valid, 4242 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-24 00:47:11,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2024-10-24 00:47:11,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 874. [2024-10-24 00:47:11,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 683 states have (on average 1.644216691068814) internal successors, (1123), 691 states have internal predecessors, (1123), 158 states have call successors, (158), 28 states have call predecessors, (158), 32 states have return successors, (179), 156 states have call predecessors, (179), 157 states have call successors, (179) [2024-10-24 00:47:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1460 transitions. [2024-10-24 00:47:11,809 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1460 transitions. Word has length 119 [2024-10-24 00:47:11,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:11,810 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1460 transitions. [2024-10-24 00:47:11,810 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, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-10-24 00:47:11,810 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1460 transitions. [2024-10-24 00:47:11,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 00:47:11,815 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:11,815 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:11,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 00:47:12,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:47:12,016 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:12,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:12,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1268994909, now seen corresponding path program 1 times [2024-10-24 00:47:12,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:12,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634021454] [2024-10-24 00:47:12,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:12,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 00:47:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:47:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:47:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:47:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:47:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:47:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 00:47:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:47:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:12,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:12,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634021454] [2024-10-24 00:47:12,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634021454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:12,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:12,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:12,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721313315] [2024-10-24 00:47:12,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:12,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:12,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:12,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:12,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:12,132 INFO L87 Difference]: Start difference. First operand 874 states and 1460 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:13,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:13,641 INFO L93 Difference]: Finished difference Result 2172 states and 3731 transitions. [2024-10-24 00:47:13,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:13,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2024-10-24 00:47:13,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:13,650 INFO L225 Difference]: With dead ends: 2172 [2024-10-24 00:47:13,650 INFO L226 Difference]: Without dead ends: 1366 [2024-10-24 00:47:13,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:13,654 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1469 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:13,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 900 Invalid, 2021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 00:47:13,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2024-10-24 00:47:13,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1256. [2024-10-24 00:47:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 986 states have (on average 1.658215010141988) internal successors, (1635), 994 states have internal predecessors, (1635), 237 states have call successors, (237), 28 states have call predecessors, (237), 32 states have return successors, (268), 235 states have call predecessors, (268), 236 states have call successors, (268) [2024-10-24 00:47:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2140 transitions. [2024-10-24 00:47:13,752 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2140 transitions. Word has length 123 [2024-10-24 00:47:13,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:13,752 INFO L471 AbstractCegarLoop]: Abstraction has 1256 states and 2140 transitions. [2024-10-24 00:47:13,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2140 transitions. [2024-10-24 00:47:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 00:47:13,759 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:13,759 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:13,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 00:47:13,759 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:13,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:13,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1317934635, now seen corresponding path program 1 times [2024-10-24 00:47:13,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:13,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195681536] [2024-10-24 00:47:13,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:13,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 00:47:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:47:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:47:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:47:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:47:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:47:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:47:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 00:47:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:13,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:13,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195681536] [2024-10-24 00:47:13,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195681536] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:13,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:13,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:13,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059539342] [2024-10-24 00:47:13,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:13,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:13,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:13,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:13,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:13,928 INFO L87 Difference]: Start difference. First operand 1256 states and 2140 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:15,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:15,299 INFO L93 Difference]: Finished difference Result 3123 states and 5417 transitions. [2024-10-24 00:47:15,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:15,300 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2024-10-24 00:47:15,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:15,312 INFO L225 Difference]: With dead ends: 3123 [2024-10-24 00:47:15,313 INFO L226 Difference]: Without dead ends: 1985 [2024-10-24 00:47:15,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:15,318 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1470 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 560 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:15,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 887 Invalid, 2027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [560 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 00:47:15,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2024-10-24 00:47:15,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1875. [2024-10-24 00:47:15,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1486 states have (on average 1.6655450874831763) internal successors, (2475), 1494 states have internal predecessors, (2475), 356 states have call successors, (356), 28 states have call predecessors, (356), 32 states have return successors, (387), 354 states have call predecessors, (387), 355 states have call successors, (387) [2024-10-24 00:47:15,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 3218 transitions. [2024-10-24 00:47:15,416 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 3218 transitions. Word has length 124 [2024-10-24 00:47:15,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:15,417 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 3218 transitions. [2024-10-24 00:47:15,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:15,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 3218 transitions. [2024-10-24 00:47:15,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 00:47:15,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:15,427 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:15,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 00:47:15,427 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:15,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:15,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1517246635, now seen corresponding path program 1 times [2024-10-24 00:47:15,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:15,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842952527] [2024-10-24 00:47:15,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:15,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:47:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:47:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:47:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:47:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 00:47:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:47:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 00:47:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 00:47:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:15,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:15,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842952527] [2024-10-24 00:47:15,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842952527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:15,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:15,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:15,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618682839] [2024-10-24 00:47:15,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:15,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:15,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:15,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:15,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:15,551 INFO L87 Difference]: Start difference. First operand 1875 states and 3218 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:16,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:16,974 INFO L93 Difference]: Finished difference Result 4563 states and 7988 transitions. [2024-10-24 00:47:16,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:16,975 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-10-24 00:47:16,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:16,991 INFO L225 Difference]: With dead ends: 4563 [2024-10-24 00:47:16,991 INFO L226 Difference]: Without dead ends: 2934 [2024-10-24 00:47:16,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:16,998 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1471 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:16,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 873 Invalid, 1991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 1438 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 00:47:17,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2024-10-24 00:47:17,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2824. [2024-10-24 00:47:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2273 states have (on average 1.6717993840739112) internal successors, (3800), 2281 states have internal predecessors, (3800), 518 states have call successors, (518), 28 states have call predecessors, (518), 32 states have return successors, (565), 516 states have call predecessors, (565), 517 states have call successors, (565) [2024-10-24 00:47:17,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 4883 transitions. [2024-10-24 00:47:17,123 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 4883 transitions. Word has length 125 [2024-10-24 00:47:17,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:17,124 INFO L471 AbstractCegarLoop]: Abstraction has 2824 states and 4883 transitions. [2024-10-24 00:47:17,124 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:17,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 4883 transitions. [2024-10-24 00:47:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-24 00:47:17,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:17,135 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:17,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 00:47:17,136 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:17,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:17,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1838069174, now seen corresponding path program 1 times [2024-10-24 00:47:17,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:17,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244199710] [2024-10-24 00:47:17,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:17,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:47:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:47:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 00:47:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:47:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-24 00:47:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:47:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 00:47:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 00:47:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:17,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:17,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244199710] [2024-10-24 00:47:17,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244199710] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:17,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:17,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:17,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169021573] [2024-10-24 00:47:17,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:17,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:17,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:17,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:17,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:17,281 INFO L87 Difference]: Start difference. First operand 2824 states and 4883 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:18,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:18,746 INFO L93 Difference]: Finished difference Result 6835 states and 12056 transitions. [2024-10-24 00:47:18,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:18,747 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2024-10-24 00:47:18,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:18,772 INFO L225 Difference]: With dead ends: 6835 [2024-10-24 00:47:18,773 INFO L226 Difference]: Without dead ends: 4466 [2024-10-24 00:47:18,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:18,783 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1469 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 2005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:18,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 873 Invalid, 2005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 00:47:18,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2024-10-24 00:47:18,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4356. [2024-10-24 00:47:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4356 states, 3560 states have (on average 1.6764044943820224) internal successors, (5968), 3568 states have internal predecessors, (5968), 763 states have call successors, (763), 28 states have call predecessors, (763), 32 states have return successors, (836), 761 states have call predecessors, (836), 762 states have call successors, (836) [2024-10-24 00:47:19,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4356 states to 4356 states and 7567 transitions. [2024-10-24 00:47:19,029 INFO L78 Accepts]: Start accepts. Automaton has 4356 states and 7567 transitions. Word has length 126 [2024-10-24 00:47:19,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:19,030 INFO L471 AbstractCegarLoop]: Abstraction has 4356 states and 7567 transitions. [2024-10-24 00:47:19,030 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:19,030 INFO L276 IsEmpty]: Start isEmpty. Operand 4356 states and 7567 transitions. [2024-10-24 00:47:19,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-24 00:47:19,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:19,046 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:19,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 00:47:19,046 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:19,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:19,047 INFO L85 PathProgramCache]: Analyzing trace with hash 452709415, now seen corresponding path program 1 times [2024-10-24 00:47:19,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:19,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359880990] [2024-10-24 00:47:19,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:19,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 00:47:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:47:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:47:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:47:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:47:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:47:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 00:47:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 00:47:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:19,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:19,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359880990] [2024-10-24 00:47:19,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359880990] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:19,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:19,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:19,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662790976] [2024-10-24 00:47:19,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:19,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:19,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:19,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:19,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:19,161 INFO L87 Difference]: Start difference. First operand 4356 states and 7567 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:20,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:20,682 INFO L93 Difference]: Finished difference Result 10888 states and 19267 transitions. [2024-10-24 00:47:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:20,683 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 127 [2024-10-24 00:47:20,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:20,725 INFO L225 Difference]: With dead ends: 10888 [2024-10-24 00:47:20,726 INFO L226 Difference]: Without dead ends: 7226 [2024-10-24 00:47:20,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:20,740 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1464 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:20,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 905 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 00:47:20,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7226 states. [2024-10-24 00:47:21,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7226 to 7116. [2024-10-24 00:47:21,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7116 states, 5827 states have (on average 1.6722155483095933) internal successors, (9744), 5835 states have internal predecessors, (9744), 1256 states have call successors, (1256), 28 states have call predecessors, (1256), 32 states have return successors, (1373), 1254 states have call predecessors, (1373), 1255 states have call successors, (1373) [2024-10-24 00:47:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7116 states to 7116 states and 12373 transitions. [2024-10-24 00:47:21,097 INFO L78 Accepts]: Start accepts. Automaton has 7116 states and 12373 transitions. Word has length 127 [2024-10-24 00:47:21,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:21,097 INFO L471 AbstractCegarLoop]: Abstraction has 7116 states and 12373 transitions. [2024-10-24 00:47:21,098 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 7116 states and 12373 transitions. [2024-10-24 00:47:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-24 00:47:21,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:21,132 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:21,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 00:47:21,133 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:21,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:21,133 INFO L85 PathProgramCache]: Analyzing trace with hash -463471046, now seen corresponding path program 1 times [2024-10-24 00:47:21,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:21,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608434394] [2024-10-24 00:47:21,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:21,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:47:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:47:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:47:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:47:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:47:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:47:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 00:47:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 00:47:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:21,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:21,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608434394] [2024-10-24 00:47:21,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608434394] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:21,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:21,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:21,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859024670] [2024-10-24 00:47:21,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:21,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:21,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:21,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:21,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:21,275 INFO L87 Difference]: Start difference. First operand 7116 states and 12373 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:22,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:22,798 INFO L93 Difference]: Finished difference Result 18091 states and 32014 transitions. [2024-10-24 00:47:22,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:22,798 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-10-24 00:47:22,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:22,848 INFO L225 Difference]: With dead ends: 18091 [2024-10-24 00:47:22,848 INFO L226 Difference]: Without dead ends: 12055 [2024-10-24 00:47:22,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:22,921 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1462 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 2034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 559 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:22,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 886 Invalid, 2034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [559 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 00:47:22,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12055 states. [2024-10-24 00:47:23,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12055 to 11945. [2024-10-24 00:47:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11945 states, 9834 states have (on average 1.6722595078299776) internal successors, (16445), 9842 states have internal predecessors, (16445), 2078 states have call successors, (2078), 28 states have call predecessors, (2078), 32 states have return successors, (2273), 2076 states have call predecessors, (2273), 2077 states have call successors, (2273) [2024-10-24 00:47:23,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11945 states to 11945 states and 20796 transitions. [2024-10-24 00:47:23,552 INFO L78 Accepts]: Start accepts. Automaton has 11945 states and 20796 transitions. Word has length 128 [2024-10-24 00:47:23,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:23,553 INFO L471 AbstractCegarLoop]: Abstraction has 11945 states and 20796 transitions. [2024-10-24 00:47:23,553 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 11945 states and 20796 transitions. [2024-10-24 00:47:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-24 00:47:23,597 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:23,597 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:23,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 00:47:23,598 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:23,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:23,598 INFO L85 PathProgramCache]: Analyzing trace with hash -446137751, now seen corresponding path program 1 times [2024-10-24 00:47:23,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:23,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999369931] [2024-10-24 00:47:23,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:23,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:47:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:47:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 00:47:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:47:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:47:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:47:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 00:47:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 00:47:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:23,710 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:23,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:23,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999369931] [2024-10-24 00:47:23,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999369931] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:23,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:23,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:23,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113647857] [2024-10-24 00:47:23,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:23,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:23,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:23,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:23,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:23,712 INFO L87 Difference]: Start difference. First operand 11945 states and 20796 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:25,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:25,442 INFO L93 Difference]: Finished difference Result 28637 states and 50462 transitions. [2024-10-24 00:47:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:25,443 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2024-10-24 00:47:25,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:25,532 INFO L225 Difference]: With dead ends: 28637 [2024-10-24 00:47:25,532 INFO L226 Difference]: Without dead ends: 18727 [2024-10-24 00:47:25,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:25,571 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1460 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 541 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 541 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:25,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1478 Valid, 860 Invalid, 2039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [541 Valid, 1498 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 00:47:25,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18727 states. [2024-10-24 00:47:26,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18727 to 18617. [2024-10-24 00:47:26,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18617 states, 15303 states have (on average 1.6489577207083579) internal successors, (25234), 15311 states have internal predecessors, (25234), 3281 states have call successors, (3281), 28 states have call predecessors, (3281), 32 states have return successors, (3620), 3279 states have call predecessors, (3620), 3280 states have call successors, (3620) [2024-10-24 00:47:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18617 states to 18617 states and 32135 transitions. [2024-10-24 00:47:26,579 INFO L78 Accepts]: Start accepts. Automaton has 18617 states and 32135 transitions. Word has length 129 [2024-10-24 00:47:26,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:26,580 INFO L471 AbstractCegarLoop]: Abstraction has 18617 states and 32135 transitions. [2024-10-24 00:47:26,581 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:26,581 INFO L276 IsEmpty]: Start isEmpty. Operand 18617 states and 32135 transitions. [2024-10-24 00:47:26,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-24 00:47:26,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:26,617 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:26,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 00:47:26,617 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:26,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:26,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2105659973, now seen corresponding path program 1 times [2024-10-24 00:47:26,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:26,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125597817] [2024-10-24 00:47:26,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:26,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:47:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:47:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 00:47:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:47:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:47:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 00:47:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:47:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 00:47:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:26,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:26,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125597817] [2024-10-24 00:47:26,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125597817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:26,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:26,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:26,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146475460] [2024-10-24 00:47:26,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:26,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:26,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:26,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:26,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:26,763 INFO L87 Difference]: Start difference. First operand 18617 states and 32135 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:28,964 INFO L93 Difference]: Finished difference Result 49270 states and 86581 transitions. [2024-10-24 00:47:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:28,965 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-10-24 00:47:28,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:29,097 INFO L225 Difference]: With dead ends: 49270 [2024-10-24 00:47:29,097 INFO L226 Difference]: Without dead ends: 33308 [2024-10-24 00:47:29,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:29,147 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1458 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 555 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:29,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 880 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [555 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 00:47:29,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33308 states. [2024-10-24 00:47:30,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33308 to 33198. [2024-10-24 00:47:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33198 states, 27434 states have (on average 1.6461325362688635) internal successors, (45160), 27442 states have internal predecessors, (45160), 5731 states have call successors, (5731), 28 states have call predecessors, (5731), 32 states have return successors, (6344), 5729 states have call predecessors, (6344), 5730 states have call successors, (6344) [2024-10-24 00:47:30,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33198 states to 33198 states and 57235 transitions. [2024-10-24 00:47:30,634 INFO L78 Accepts]: Start accepts. Automaton has 33198 states and 57235 transitions. Word has length 130 [2024-10-24 00:47:30,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:30,635 INFO L471 AbstractCegarLoop]: Abstraction has 33198 states and 57235 transitions. [2024-10-24 00:47:30,635 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:30,635 INFO L276 IsEmpty]: Start isEmpty. Operand 33198 states and 57235 transitions. [2024-10-24 00:47:30,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-24 00:47:30,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:30,675 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:30,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 00:47:30,675 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:30,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:30,676 INFO L85 PathProgramCache]: Analyzing trace with hash 305008067, now seen corresponding path program 1 times [2024-10-24 00:47:30,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:30,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715505149] [2024-10-24 00:47:30,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:30,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:47:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:47:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:47:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:47:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:47:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:47:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 00:47:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 00:47:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:30,796 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:30,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:30,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715505149] [2024-10-24 00:47:30,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715505149] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:30,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:30,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:30,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772207714] [2024-10-24 00:47:30,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:30,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:30,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:30,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:30,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:30,800 INFO L87 Difference]: Start difference. First operand 33198 states and 57235 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:33,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:33,584 INFO L93 Difference]: Finished difference Result 90572 states and 158410 transitions. [2024-10-24 00:47:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:33,587 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-10-24 00:47:33,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:33,888 INFO L225 Difference]: With dead ends: 90572 [2024-10-24 00:47:33,888 INFO L226 Difference]: Without dead ends: 60920 [2024-10-24 00:47:33,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:33,999 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1457 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:33,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 873 Invalid, 1989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [544 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 00:47:34,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60920 states. [2024-10-24 00:47:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60920 to 60810. [2024-10-24 00:47:36,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60810 states, 50533 states have (on average 1.6422931549680406) internal successors, (82990), 50541 states have internal predecessors, (82990), 10244 states have call successors, (10244), 28 states have call predecessors, (10244), 32 states have return successors, (11389), 10242 states have call predecessors, (11389), 10243 states have call successors, (11389) [2024-10-24 00:47:36,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60810 states to 60810 states and 104623 transitions. [2024-10-24 00:47:36,712 INFO L78 Accepts]: Start accepts. Automaton has 60810 states and 104623 transitions. Word has length 131 [2024-10-24 00:47:36,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:36,713 INFO L471 AbstractCegarLoop]: Abstraction has 60810 states and 104623 transitions. [2024-10-24 00:47:36,713 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 60810 states and 104623 transitions. [2024-10-24 00:47:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-24 00:47:36,760 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:36,761 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:36,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 00:47:36,761 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:36,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:36,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1721287397, now seen corresponding path program 1 times [2024-10-24 00:47:36,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:36,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201529366] [2024-10-24 00:47:36,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:36,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:47:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:47:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:47:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:47:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:47:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 00:47:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 00:47:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 00:47:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:36,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:36,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201529366] [2024-10-24 00:47:36,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201529366] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:36,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:36,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:47:36,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599939130] [2024-10-24 00:47:36,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:36,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:47:36,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:36,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:47:36,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:47:36,869 INFO L87 Difference]: Start difference. First operand 60810 states and 104623 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:41,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:41,285 INFO L93 Difference]: Finished difference Result 113924 states and 199763 transitions. [2024-10-24 00:47:41,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:47:41,286 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-10-24 00:47:41,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:47:41,792 INFO L225 Difference]: With dead ends: 113924 [2024-10-24 00:47:41,793 INFO L226 Difference]: Without dead ends: 113714 [2024-10-24 00:47:41,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:47:41,839 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1454 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 2023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 540 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:47:41,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 889 Invalid, 2023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [540 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 00:47:41,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113714 states. [2024-10-24 00:47:45,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113714 to 113604. [2024-10-24 00:47:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113604 states, 94959 states have (on average 1.637327688792005) internal successors, (155479), 94967 states have internal predecessors, (155479), 18612 states have call successors, (18612), 28 states have call predecessors, (18612), 32 states have return successors, (20803), 18610 states have call predecessors, (20803), 18611 states have call successors, (20803) [2024-10-24 00:47:46,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113604 states to 113604 states and 194894 transitions. [2024-10-24 00:47:46,580 INFO L78 Accepts]: Start accepts. Automaton has 113604 states and 194894 transitions. Word has length 132 [2024-10-24 00:47:46,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:47:46,580 INFO L471 AbstractCegarLoop]: Abstraction has 113604 states and 194894 transitions. [2024-10-24 00:47:46,581 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-24 00:47:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 113604 states and 194894 transitions. [2024-10-24 00:47:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-24 00:47:46,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:47:46,646 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:47:46,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 00:47:46,646 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:47:46,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:47:46,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1976146626, now seen corresponding path program 1 times [2024-10-24 00:47:46,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:47:46,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640706096] [2024-10-24 00:47:46,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:47:46,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:47:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:47:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:47:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:47:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:47:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:47:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:47:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:47:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:47:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:47:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:47:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:47:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:47:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 00:47:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 00:47:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:47:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 00:47:47,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:47:47,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640706096] [2024-10-24 00:47:47,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640706096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:47:47,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:47:47,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-24 00:47:47,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182061394] [2024-10-24 00:47:47,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:47:47,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 00:47:47,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:47:47,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 00:47:47,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2024-10-24 00:47:47,225 INFO L87 Difference]: Start difference. First operand 113604 states and 194894 transitions. Second operand has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-24 00:47:58,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:47:58,860 INFO L93 Difference]: Finished difference Result 226852 states and 401216 transitions. [2024-10-24 00:47:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-10-24 00:47:58,861 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 133 [2024-10-24 00:47:58,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted.