./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/product-lines/email_spec11_product35.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 97d4c6be733483d74e70aacf7c001bc7f4ca03733e33a8c0b4370e9380a7e003 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 01:52:03,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 01:52:03,550 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 01:52:03,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 01:52:03,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 01:52:03,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 01:52:03,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 01:52:03,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 01:52:03,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 01:52:03,588 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 01:52:03,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 01:52:03,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 01:52:03,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 01:52:03,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 01:52:03,589 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 01:52:03,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 01:52:03,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 01:52:03,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 01:52:03,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 01:52:03,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 01:52:03,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 01:52:03,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 01:52:03,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 01:52:03,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 01:52:03,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 01:52:03,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 01:52:03,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 01:52:03,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 01:52:03,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 01:52:03,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 01:52:03,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 01:52:03,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 01:52:03,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:52:03,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 01:52:03,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 01:52:03,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 01:52:03,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 01:52:03,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 01:52:03,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 01:52:03,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 01:52:03,597 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 01:52:03,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 01:52:03,601 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97d4c6be733483d74e70aacf7c001bc7f4ca03733e33a8c0b4370e9380a7e003 [2024-11-22 01:52:03,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 01:52:03,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 01:52:03,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 01:52:03,858 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 01:52:03,861 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 01:52:03,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product35.cil.c [2024-11-22 01:52:05,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 01:52:05,494 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 01:52:05,496 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product35.cil.c [2024-11-22 01:52:05,523 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60ee9b840/f4a1c000fec545c090344dd3538938c2/FLAGade1337ff [2024-11-22 01:52:05,536 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60ee9b840/f4a1c000fec545c090344dd3538938c2 [2024-11-22 01:52:05,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 01:52:05,540 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 01:52:05,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 01:52:05,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 01:52:05,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 01:52:05,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:52:05" (1/1) ... [2024-11-22 01:52:05,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e61591c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:05, skipping insertion in model container [2024-11-22 01:52:05,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:52:05" (1/1) ... [2024-11-22 01:52:05,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 01:52:06,046 WARN L250 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_spec11_product35.cil.c[61136,61149] [2024-11-22 01:52:06,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:52:06,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 01:52:06,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-22 01:52:06,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [460] [2024-11-22 01:52:06,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1540] [2024-11-22 01:52:06,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1573] [2024-11-22 01:52:06,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1939] [2024-11-22 01:52:06,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2172] [2024-11-22 01:52:06,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2190] [2024-11-22 01:52:06,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2327] [2024-11-22 01:52:06,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2766] [2024-11-22 01:52:06,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2775] [2024-11-22 01:52:06,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2813] [2024-11-22 01:52:06,184 WARN L250 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_spec11_product35.cil.c[61136,61149] [2024-11-22 01:52:06,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:52:06,235 INFO L204 MainTranslator]: Completed translation [2024-11-22 01:52:06,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06 WrapperNode [2024-11-22 01:52:06,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 01:52:06,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 01:52:06,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 01:52:06,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 01:52:06,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,323 INFO L138 Inliner]: procedures = 137, calls = 226, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1147 [2024-11-22 01:52:06,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 01:52:06,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 01:52:06,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 01:52:06,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 01:52:06,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,342 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,378 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-22 01:52:06,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 01:52:06,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 01:52:06,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 01:52:06,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 01:52:06,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2024-11-22 01:52:06,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:52:06,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:06,482 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) [2024-11-22 01:52:06,487 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 [2024-11-22 01:52:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-22 01:52:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-22 01:52:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-22 01:52:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-22 01:52:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-22 01:52:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-22 01:52:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-22 01:52:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-22 01:52:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-22 01:52:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-22 01:52:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-22 01:52:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-22 01:52:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-22 01:52:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-22 01:52:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-22 01:52:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-22 01:52:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-22 01:52:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-22 01:52:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-22 01:52:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-22 01:52:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-22 01:52:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-22 01:52:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-22 01:52:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-22 01:52:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-22 01:52:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-22 01:52:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-22 01:52:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-22 01:52:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-22 01:52:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-22 01:52:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-22 01:52:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-22 01:52:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 01:52:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-22 01:52:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-22 01:52:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-22 01:52:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-22 01:52:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-22 01:52:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-22 01:52:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-22 01:52:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-22 01:52:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-22 01:52:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-22 01:52:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-22 01:52:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-22 01:52:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-22 01:52:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-22 01:52:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-22 01:52:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-22 01:52:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-22 01:52:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-22 01:52:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-22 01:52:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-22 01:52:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-22 01:52:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-22 01:52:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 01:52:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 01:52:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 01:52:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 01:52:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-22 01:52:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-22 01:52:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-22 01:52:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-22 01:52:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 01:52:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 01:52:06,710 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 01:52:06,712 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 01:52:07,587 INFO L? ?]: Removed 607 outVars from TransFormulas that were not future-live. [2024-11-22 01:52:07,587 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 01:52:07,612 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 01:52:07,613 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 01:52:07,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:52:07 BoogieIcfgContainer [2024-11-22 01:52:07,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 01:52:07,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 01:52:07,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 01:52:07,617 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 01:52:07,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:52:05" (1/3) ... [2024-11-22 01:52:07,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da9d5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:52:07, skipping insertion in model container [2024-11-22 01:52:07,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (2/3) ... [2024-11-22 01:52:07,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da9d5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:52:07, skipping insertion in model container [2024-11-22 01:52:07,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:52:07" (3/3) ... [2024-11-22 01:52:07,623 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product35.cil.c [2024-11-22 01:52:07,639 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 01:52:07,640 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 01:52:07,730 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 01:52:07,737 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;@3fd69182, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 01:52:07,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 01:52:07,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 463 states, 358 states have (on average 1.5363128491620113) internal successors, (550), 363 states have internal predecessors, (550), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-22 01:52:07,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-22 01:52:07,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:07,770 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:07,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:07,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:07,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1750999411, now seen corresponding path program 1 times [2024-11-22 01:52:07,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:07,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797178786] [2024-11-22 01:52:07,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:07,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-22 01:52:08,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:08,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797178786] [2024-11-22 01:52:08,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797178786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:08,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368797896] [2024-11-22 01:52:08,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:08,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:08,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:08,385 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) [2024-11-22 01:52:08,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 01:52:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:08,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 01:52:08,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-22 01:52:08,787 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:52:08,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368797896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:08,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:52:08,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-22 01:52:08,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830293177] [2024-11-22 01:52:08,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:08,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 01:52:08,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:08,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 01:52:08,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:08,821 INFO L87 Difference]: Start difference. First operand has 463 states, 358 states have (on average 1.5363128491620113) internal successors, (550), 363 states have internal predecessors, (550), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:08,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:08,893 INFO L93 Difference]: Finished difference Result 728 states and 1078 transitions. [2024-11-22 01:52:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 01:52:08,897 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 167 [2024-11-22 01:52:08,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:08,914 INFO L225 Difference]: With dead ends: 728 [2024-11-22 01:52:08,914 INFO L226 Difference]: Without dead ends: 456 [2024-11-22 01:52:08,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:08,927 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:08,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:08,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-22 01:52:08,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2024-11-22 01:52:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 352 states have (on average 1.53125) internal successors, (539), 356 states have internal predecessors, (539), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-22 01:52:08,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 686 transitions. [2024-11-22 01:52:08,997 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 686 transitions. Word has length 167 [2024-11-22 01:52:08,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:08,999 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 686 transitions. [2024-11-22 01:52:08,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:09,000 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 686 transitions. [2024-11-22 01:52:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-22 01:52:09,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:09,010 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:09,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 01:52:09,214 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 [2024-11-22 01:52:09,215 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:09,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:09,216 INFO L85 PathProgramCache]: Analyzing trace with hash 305354623, now seen corresponding path program 1 times [2024-11-22 01:52:09,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:09,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985033989] [2024-11-22 01:52:09,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:09,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-22 01:52:09,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:09,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985033989] [2024-11-22 01:52:09,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985033989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:09,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457792370] [2024-11-22 01:52:09,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:09,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:09,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:09,480 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) [2024-11-22 01:52:09,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 01:52:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:09,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 01:52:09,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-22 01:52:09,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:52:09,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457792370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:09,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:52:09,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:52:09,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129197139] [2024-11-22 01:52:09,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:09,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:09,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:09,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:09,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:52:09,825 INFO L87 Difference]: Start difference. First operand 456 states and 686 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:09,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:09,867 INFO L93 Difference]: Finished difference Result 718 states and 1056 transitions. [2024-11-22 01:52:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:09,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-11-22 01:52:09,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:09,877 INFO L225 Difference]: With dead ends: 718 [2024-11-22 01:52:09,877 INFO L226 Difference]: Without dead ends: 459 [2024-11-22 01:52:09,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:52:09,879 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 1 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:09,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1366 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:09,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-22 01:52:09,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 458. [2024-11-22 01:52:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 354 states have (on average 1.5282485875706215) internal successors, (541), 358 states have internal predecessors, (541), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-22 01:52:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 688 transitions. [2024-11-22 01:52:09,919 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 688 transitions. Word has length 168 [2024-11-22 01:52:09,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:09,920 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 688 transitions. [2024-11-22 01:52:09,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 688 transitions. [2024-11-22 01:52:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-22 01:52:09,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:09,923 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:09,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 01:52:10,123 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 [2024-11-22 01:52:10,124 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:10,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:10,125 INFO L85 PathProgramCache]: Analyzing trace with hash -255666253, now seen corresponding path program 1 times [2024-11-22 01:52:10,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:10,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594500901] [2024-11-22 01:52:10,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:10,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-22 01:52:10,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:10,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594500901] [2024-11-22 01:52:10,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594500901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:10,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055561841] [2024-11-22 01:52:10,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:10,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:10,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:10,341 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) [2024-11-22 01:52:10,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 01:52:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:10,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:52:10,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:10,636 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-22 01:52:10,638 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:52:10,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055561841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:10,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:52:10,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:52:10,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117767907] [2024-11-22 01:52:10,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:10,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:10,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:10,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:10,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:52:10,641 INFO L87 Difference]: Start difference. First operand 458 states and 688 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:52:10,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:10,679 INFO L93 Difference]: Finished difference Result 969 states and 1476 transitions. [2024-11-22 01:52:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:10,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2024-11-22 01:52:10,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:10,683 INFO L225 Difference]: With dead ends: 969 [2024-11-22 01:52:10,685 INFO L226 Difference]: Without dead ends: 538 [2024-11-22 01:52:10,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:52:10,688 INFO L432 NwaCegarLoop]: 708 mSDtfsCounter, 142 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:10,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1349 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:10,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-22 01:52:10,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 530. [2024-11-22 01:52:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 412 states have (on average 1.5485436893203883) internal successors, (638), 416 states have internal predecessors, (638), 88 states have call successors, (88), 29 states have call predecessors, (88), 29 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-22 01:52:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 813 transitions. [2024-11-22 01:52:10,708 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 813 transitions. Word has length 158 [2024-11-22 01:52:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:10,709 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 813 transitions. [2024-11-22 01:52:10,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:52:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 813 transitions. [2024-11-22 01:52:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 01:52:10,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:10,712 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:10,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 01:52:10,912 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 [2024-11-22 01:52:10,913 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:10,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:10,914 INFO L85 PathProgramCache]: Analyzing trace with hash 596055916, now seen corresponding path program 1 times [2024-11-22 01:52:10,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:10,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250101907] [2024-11-22 01:52:10,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:10,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-22 01:52:11,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:11,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250101907] [2024-11-22 01:52:11,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250101907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:11,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314518004] [2024-11-22 01:52:11,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:11,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:11,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:11,158 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) [2024-11-22 01:52:11,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 01:52:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:11,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 1377 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 01:52:11,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:11,503 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-22 01:52:11,504 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:52:11,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314518004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:11,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:52:11,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 01:52:11,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945511540] [2024-11-22 01:52:11,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:11,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:52:11,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:11,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:52:11,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:52:11,506 INFO L87 Difference]: Start difference. First operand 530 states and 813 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:52:11,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:11,579 INFO L93 Difference]: Finished difference Result 1051 states and 1616 transitions. [2024-11-22 01:52:11,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:52:11,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 178 [2024-11-22 01:52:11,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:11,585 INFO L225 Difference]: With dead ends: 1051 [2024-11-22 01:52:11,585 INFO L226 Difference]: Without dead ends: 532 [2024-11-22 01:52:11,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:52:11,587 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 2 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:11,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2701 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:11,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-22 01:52:11,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2024-11-22 01:52:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 413 states have (on average 1.5472154963680387) internal successors, (639), 418 states have internal predecessors, (639), 88 states have call successors, (88), 29 states have call predecessors, (88), 30 states have return successors, (89), 86 states have call predecessors, (89), 87 states have call successors, (89) [2024-11-22 01:52:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 816 transitions. [2024-11-22 01:52:11,609 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 816 transitions. Word has length 178 [2024-11-22 01:52:11,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:11,609 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 816 transitions. [2024-11-22 01:52:11,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:52:11,610 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 816 transitions. [2024-11-22 01:52:11,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-22 01:52:11,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:11,612 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:11,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 01:52:11,816 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 [2024-11-22 01:52:11,817 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:11,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:11,817 INFO L85 PathProgramCache]: Analyzing trace with hash 147637841, now seen corresponding path program 1 times [2024-11-22 01:52:11,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:11,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074245882] [2024-11-22 01:52:11,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:11,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 01:52:11,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:11,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074245882] [2024-11-22 01:52:11,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074245882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:11,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005729500] [2024-11-22 01:52:11,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:11,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:11,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:11,962 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) [2024-11-22 01:52:11,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 01:52:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:12,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 01:52:12,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-22 01:52:12,285 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:52:12,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005729500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:12,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:52:12,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-22 01:52:12,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711527859] [2024-11-22 01:52:12,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:12,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:52:12,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:12,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:52:12,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:52:12,288 INFO L87 Difference]: Start difference. First operand 532 states and 816 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:52:12,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:12,369 INFO L93 Difference]: Finished difference Result 1053 states and 1621 transitions. [2024-11-22 01:52:12,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:52:12,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 160 [2024-11-22 01:52:12,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:12,374 INFO L225 Difference]: With dead ends: 1053 [2024-11-22 01:52:12,374 INFO L226 Difference]: Without dead ends: 534 [2024-11-22 01:52:12,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:52:12,376 INFO L432 NwaCegarLoop]: 676 mSDtfsCounter, 2 mSDsluCounter, 2011 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:12,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2687 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:52:12,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-22 01:52:12,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 534. [2024-11-22 01:52:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 414 states have (on average 1.5458937198067633) internal successors, (640), 420 states have internal predecessors, (640), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2024-11-22 01:52:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 822 transitions. [2024-11-22 01:52:12,395 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 822 transitions. Word has length 160 [2024-11-22 01:52:12,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:12,396 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 822 transitions. [2024-11-22 01:52:12,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:52:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 822 transitions. [2024-11-22 01:52:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-22 01:52:12,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:12,399 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:12,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 01:52:12,600 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 [2024-11-22 01:52:12,601 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:12,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:12,601 INFO L85 PathProgramCache]: Analyzing trace with hash -246885444, now seen corresponding path program 1 times [2024-11-22 01:52:12,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:12,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261076376] [2024-11-22 01:52:12,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:12,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-22 01:52:12,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:12,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261076376] [2024-11-22 01:52:12,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261076376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:12,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:12,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:52:12,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926999348] [2024-11-22 01:52:12,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:12,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:52:12,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:12,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:52:12,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:12,733 INFO L87 Difference]: Start difference. First operand 534 states and 822 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:52:12,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:12,768 INFO L93 Difference]: Finished difference Result 1045 states and 1612 transitions. [2024-11-22 01:52:12,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:52:12,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 161 [2024-11-22 01:52:12,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:12,771 INFO L225 Difference]: With dead ends: 1045 [2024-11-22 01:52:12,772 INFO L226 Difference]: Without dead ends: 534 [2024-11-22 01:52:12,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:12,773 INFO L432 NwaCegarLoop]: 679 mSDtfsCounter, 2 mSDsluCounter, 2026 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2705 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:12,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2705 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:12,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-22 01:52:12,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 534. [2024-11-22 01:52:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 414 states have (on average 1.5458937198067633) internal successors, (640), 420 states have internal predecessors, (640), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (93), 86 states have call predecessors, (93), 87 states have call successors, (93) [2024-11-22 01:52:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 821 transitions. [2024-11-22 01:52:12,789 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 821 transitions. Word has length 161 [2024-11-22 01:52:12,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:12,790 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 821 transitions. [2024-11-22 01:52:12,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-22 01:52:12,790 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 821 transitions. [2024-11-22 01:52:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-22 01:52:12,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:12,792 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:12,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 01:52:12,793 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:12,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:12,793 INFO L85 PathProgramCache]: Analyzing trace with hash 554256679, now seen corresponding path program 1 times [2024-11-22 01:52:12,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:12,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115373402] [2024-11-22 01:52:12,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:12,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:12,970 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-22 01:52:12,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:12,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115373402] [2024-11-22 01:52:12,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115373402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:12,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:12,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:52:12,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750947711] [2024-11-22 01:52:12,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:12,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:52:12,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:12,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:52:12,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:12,973 INFO L87 Difference]: Start difference. First operand 534 states and 821 transitions. Second operand has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:52:13,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:13,010 INFO L93 Difference]: Finished difference Result 1047 states and 1615 transitions. [2024-11-22 01:52:13,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:52:13,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 181 [2024-11-22 01:52:13,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:13,014 INFO L225 Difference]: With dead ends: 1047 [2024-11-22 01:52:13,014 INFO L226 Difference]: Without dead ends: 536 [2024-11-22 01:52:13,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:13,016 INFO L432 NwaCegarLoop]: 680 mSDtfsCounter, 1 mSDsluCounter, 2028 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2708 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:13,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2708 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:13,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-22 01:52:13,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2024-11-22 01:52:13,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 415 states have (on average 1.544578313253012) internal successors, (641), 422 states have internal predecessors, (641), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (95), 86 states have call predecessors, (95), 87 states have call successors, (95) [2024-11-22 01:52:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 824 transitions. [2024-11-22 01:52:13,029 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 824 transitions. Word has length 181 [2024-11-22 01:52:13,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:13,030 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 824 transitions. [2024-11-22 01:52:13,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:52:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 824 transitions. [2024-11-22 01:52:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-22 01:52:13,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:13,032 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:13,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 01:52:13,033 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:13,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:13,033 INFO L85 PathProgramCache]: Analyzing trace with hash 2034778158, now seen corresponding path program 1 times [2024-11-22 01:52:13,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:13,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171991201] [2024-11-22 01:52:13,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:13,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 01:52:13,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:13,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171991201] [2024-11-22 01:52:13,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171991201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:13,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:13,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:52:13,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982761935] [2024-11-22 01:52:13,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:13,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:52:13,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:13,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:52:13,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:52:13,177 INFO L87 Difference]: Start difference. First operand 536 states and 824 transitions. Second operand has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-22 01:52:13,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:13,308 INFO L93 Difference]: Finished difference Result 1049 states and 1614 transitions. [2024-11-22 01:52:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 01:52:13,309 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 182 [2024-11-22 01:52:13,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:13,312 INFO L225 Difference]: With dead ends: 1049 [2024-11-22 01:52:13,312 INFO L226 Difference]: Without dead ends: 538 [2024-11-22 01:52:13,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-22 01:52:13,317 INFO L432 NwaCegarLoop]: 670 mSDtfsCounter, 7 mSDsluCounter, 3991 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4661 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:13,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4661 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:52:13,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-22 01:52:13,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2024-11-22 01:52:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 417 states have (on average 1.5419664268585132) internal successors, (643), 423 states have internal predecessors, (643), 88 states have call successors, (88), 30 states have call predecessors, (88), 32 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2024-11-22 01:52:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 825 transitions. [2024-11-22 01:52:13,334 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 825 transitions. Word has length 182 [2024-11-22 01:52:13,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:13,334 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 825 transitions. [2024-11-22 01:52:13,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-22 01:52:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 825 transitions. [2024-11-22 01:52:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-22 01:52:13,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:13,337 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:13,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 01:52:13,337 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:13,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:13,338 INFO L85 PathProgramCache]: Analyzing trace with hash -773335017, now seen corresponding path program 2 times [2024-11-22 01:52:13,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:13,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128217034] [2024-11-22 01:52:13,338 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 01:52:13,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:13,371 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 01:52:13,371 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 01:52:13,479 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-22 01:52:13,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:13,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128217034] [2024-11-22 01:52:13,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128217034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:13,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:13,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 01:52:13,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906087831] [2024-11-22 01:52:13,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:13,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 01:52:13,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:13,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 01:52:13,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:52:13,482 INFO L87 Difference]: Start difference. First operand 538 states and 825 transitions. Second operand has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-22 01:52:13,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:13,552 INFO L93 Difference]: Finished difference Result 1049 states and 1618 transitions. [2024-11-22 01:52:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 01:52:13,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 183 [2024-11-22 01:52:13,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:13,555 INFO L225 Difference]: With dead ends: 1049 [2024-11-22 01:52:13,555 INFO L226 Difference]: Without dead ends: 540 [2024-11-22 01:52:13,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:52:13,559 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 2 mSDsluCounter, 2689 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3367 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:13,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3367 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:13,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-11-22 01:52:13,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2024-11-22 01:52:13,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 418 states have (on average 1.5406698564593302) internal successors, (644), 425 states have internal predecessors, (644), 88 states have call successors, (88), 30 states have call predecessors, (88), 33 states have return successors, (99), 86 states have call predecessors, (99), 87 states have call successors, (99) [2024-11-22 01:52:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 831 transitions. [2024-11-22 01:52:13,588 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 831 transitions. Word has length 183 [2024-11-22 01:52:13,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:13,588 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 831 transitions. [2024-11-22 01:52:13,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-22 01:52:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 831 transitions. [2024-11-22 01:52:13,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-22 01:52:13,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:13,592 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:13,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 01:52:13,593 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:13,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:13,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1914006118, now seen corresponding path program 1 times [2024-11-22 01:52:13,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:13,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868200184] [2024-11-22 01:52:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:13,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-22 01:52:13,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:13,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868200184] [2024-11-22 01:52:13,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868200184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:13,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25514398] [2024-11-22 01:52:13,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:13,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:13,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:13,764 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) [2024-11-22 01:52:13,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 01:52:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:14,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:52:14,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 01:52:14,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:52:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 01:52:14,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25514398] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:52:14,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:52:14,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2024-11-22 01:52:14,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174902243] [2024-11-22 01:52:14,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:52:14,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 01:52:14,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:14,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 01:52:14,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:52:14,186 INFO L87 Difference]: Start difference. First operand 540 states and 831 transitions. Second operand has 11 states, 10 states have (on average 15.9) internal successors, (159), 11 states have internal predecessors, (159), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-22 01:52:14,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:14,814 INFO L93 Difference]: Finished difference Result 1518 states and 2435 transitions. [2024-11-22 01:52:14,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 01:52:14,815 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.9) internal successors, (159), 11 states have internal predecessors, (159), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 165 [2024-11-22 01:52:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:14,820 INFO L225 Difference]: With dead ends: 1518 [2024-11-22 01:52:14,820 INFO L226 Difference]: Without dead ends: 1009 [2024-11-22 01:52:14,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2024-11-22 01:52:14,822 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 1784 mSDsluCounter, 3593 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 4268 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:14,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 4268 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 01:52:14,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2024-11-22 01:52:14,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 983. [2024-11-22 01:52:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 782 states have (on average 1.5984654731457801) internal successors, (1250), 789 states have internal predecessors, (1250), 167 states have call successors, (167), 30 states have call predecessors, (167), 33 states have return successors, (188), 165 states have call predecessors, (188), 166 states have call successors, (188) [2024-11-22 01:52:14,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1605 transitions. [2024-11-22 01:52:14,862 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1605 transitions. Word has length 165 [2024-11-22 01:52:14,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:14,863 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1605 transitions. [2024-11-22 01:52:14,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.9) internal successors, (159), 11 states have internal predecessors, (159), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-22 01:52:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1605 transitions. [2024-11-22 01:52:14,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-22 01:52:14,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:14,869 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:14,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 01:52:15,069 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 [2024-11-22 01:52:15,070 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:15,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:15,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1267507049, now seen corresponding path program 1 times [2024-11-22 01:52:15,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:15,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003053964] [2024-11-22 01:52:15,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:15,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 01:52:15,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:15,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003053964] [2024-11-22 01:52:15,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003053964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:15,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:15,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:15,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198283701] [2024-11-22 01:52:15,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:15,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:15,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:15,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:15,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:15,140 INFO L87 Difference]: Start difference. First operand 983 states and 1605 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:52:15,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:15,178 INFO L93 Difference]: Finished difference Result 2309 states and 3831 transitions. [2024-11-22 01:52:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:15,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2024-11-22 01:52:15,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:15,186 INFO L225 Difference]: With dead ends: 2309 [2024-11-22 01:52:15,187 INFO L226 Difference]: Without dead ends: 1406 [2024-11-22 01:52:15,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:15,191 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 139 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:15,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 1377 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:15,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2024-11-22 01:52:15,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1398. [2024-11-22 01:52:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 1118 states have (on average 1.6189624329159213) internal successors, (1810), 1125 states have internal predecessors, (1810), 246 states have call successors, (246), 30 states have call predecessors, (246), 33 states have return successors, (277), 244 states have call predecessors, (277), 245 states have call successors, (277) [2024-11-22 01:52:15,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 2333 transitions. [2024-11-22 01:52:15,240 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 2333 transitions. Word has length 168 [2024-11-22 01:52:15,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:15,241 INFO L471 AbstractCegarLoop]: Abstraction has 1398 states and 2333 transitions. [2024-11-22 01:52:15,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:52:15,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 2333 transitions. [2024-11-22 01:52:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-22 01:52:15,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:15,249 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:15,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 01:52:15,249 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:15,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:15,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1909892261, now seen corresponding path program 1 times [2024-11-22 01:52:15,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:15,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717149586] [2024-11-22 01:52:15,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:15,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 01:52:15,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:15,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717149586] [2024-11-22 01:52:15,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717149586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:15,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:15,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:15,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261514644] [2024-11-22 01:52:15,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:15,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:15,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:15,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:15,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:15,319 INFO L87 Difference]: Start difference. First operand 1398 states and 2333 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:15,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:15,397 INFO L93 Difference]: Finished difference Result 3348 states and 5628 transitions. [2024-11-22 01:52:15,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:15,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 188 [2024-11-22 01:52:15,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:15,408 INFO L225 Difference]: With dead ends: 3348 [2024-11-22 01:52:15,408 INFO L226 Difference]: Without dead ends: 2083 [2024-11-22 01:52:15,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:15,412 INFO L432 NwaCegarLoop]: 686 mSDtfsCounter, 137 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:15,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1364 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:15,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2024-11-22 01:52:15,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 2075. [2024-11-22 01:52:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2075 states, 1676 states have (on average 1.630071599045346) internal successors, (2732), 1683 states have internal predecessors, (2732), 365 states have call successors, (365), 30 states have call predecessors, (365), 33 states have return successors, (396), 363 states have call predecessors, (396), 364 states have call successors, (396) [2024-11-22 01:52:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 3493 transitions. [2024-11-22 01:52:15,488 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 3493 transitions. Word has length 188 [2024-11-22 01:52:15,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:15,488 INFO L471 AbstractCegarLoop]: Abstraction has 2075 states and 3493 transitions. [2024-11-22 01:52:15,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 3493 transitions. [2024-11-22 01:52:15,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-22 01:52:15,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:15,499 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:15,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 01:52:15,499 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:15,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:15,500 INFO L85 PathProgramCache]: Analyzing trace with hash -921327383, now seen corresponding path program 1 times [2024-11-22 01:52:15,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:15,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780365948] [2024-11-22 01:52:15,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:15,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 01:52:15,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:15,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780365948] [2024-11-22 01:52:15,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780365948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:15,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:15,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:15,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135777307] [2024-11-22 01:52:15,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:15,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:15,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:15,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:15,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:15,571 INFO L87 Difference]: Start difference. First operand 2075 states and 3493 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:52:15,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:15,643 INFO L93 Difference]: Finished difference Result 4933 states and 8373 transitions. [2024-11-22 01:52:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:15,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 170 [2024-11-22 01:52:15,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:15,659 INFO L225 Difference]: With dead ends: 4933 [2024-11-22 01:52:15,659 INFO L226 Difference]: Without dead ends: 3126 [2024-11-22 01:52:15,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:15,670 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 135 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1359 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:15,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1359 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3126 states. [2024-11-22 01:52:15,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3126 to 3118. [2024-11-22 01:52:15,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3118 states, 2557 states have (on average 1.6386390301134142) internal successors, (4190), 2564 states have internal predecessors, (4190), 527 states have call successors, (527), 30 states have call predecessors, (527), 33 states have return successors, (574), 525 states have call predecessors, (574), 526 states have call successors, (574) [2024-11-22 01:52:15,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 5291 transitions. [2024-11-22 01:52:15,831 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 5291 transitions. Word has length 170 [2024-11-22 01:52:15,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:15,832 INFO L471 AbstractCegarLoop]: Abstraction has 3118 states and 5291 transitions. [2024-11-22 01:52:15,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:52:15,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 5291 transitions. [2024-11-22 01:52:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-22 01:52:15,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:15,844 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:15,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 01:52:15,845 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:15,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:15,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1074741594, now seen corresponding path program 1 times [2024-11-22 01:52:15,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:15,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768245470] [2024-11-22 01:52:15,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:15,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 01:52:15,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:15,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768245470] [2024-11-22 01:52:15,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768245470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:15,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:15,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:15,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624470352] [2024-11-22 01:52:15,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:15,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:15,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:15,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:15,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:15,907 INFO L87 Difference]: Start difference. First operand 3118 states and 5291 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:15,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:15,993 INFO L93 Difference]: Finished difference Result 7447 states and 12731 transitions. [2024-11-22 01:52:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:15,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 190 [2024-11-22 01:52:15,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:16,015 INFO L225 Difference]: With dead ends: 7447 [2024-11-22 01:52:16,016 INFO L226 Difference]: Without dead ends: 4816 [2024-11-22 01:52:16,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:16,026 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 133 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1359 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:16,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1359 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:16,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4816 states. [2024-11-22 01:52:16,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4816 to 4808. [2024-11-22 01:52:16,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4808 states, 4002 states have (on average 1.6446776611694154) internal successors, (6582), 4009 states have internal predecessors, (6582), 772 states have call successors, (772), 30 states have call predecessors, (772), 33 states have return successors, (845), 770 states have call predecessors, (845), 771 states have call successors, (845) [2024-11-22 01:52:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4808 states to 4808 states and 8199 transitions. [2024-11-22 01:52:16,221 INFO L78 Accepts]: Start accepts. Automaton has 4808 states and 8199 transitions. Word has length 190 [2024-11-22 01:52:16,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:16,221 INFO L471 AbstractCegarLoop]: Abstraction has 4808 states and 8199 transitions. [2024-11-22 01:52:16,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 4808 states and 8199 transitions. [2024-11-22 01:52:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-22 01:52:16,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:16,242 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:16,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 01:52:16,243 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:16,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:16,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1671679155, now seen corresponding path program 1 times [2024-11-22 01:52:16,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:16,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197641270] [2024-11-22 01:52:16,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:16,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 01:52:16,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:16,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197641270] [2024-11-22 01:52:16,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197641270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:16,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:16,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:16,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568697526] [2024-11-22 01:52:16,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:16,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:16,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:16,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:16,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:16,297 INFO L87 Difference]: Start difference. First operand 4808 states and 8199 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:52:16,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:16,504 INFO L93 Difference]: Finished difference Result 11648 states and 20008 transitions. [2024-11-22 01:52:16,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:16,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 172 [2024-11-22 01:52:16,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:16,554 INFO L225 Difference]: With dead ends: 11648 [2024-11-22 01:52:16,555 INFO L226 Difference]: Without dead ends: 7659 [2024-11-22 01:52:16,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:16,573 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 131 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:16,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1378 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:16,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7659 states. [2024-11-22 01:52:16,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7659 to 7651. [2024-11-22 01:52:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7651 states, 6352 states have (on average 1.6437342569269522) internal successors, (10441), 6359 states have internal predecessors, (10441), 1265 states have call successors, (1265), 30 states have call predecessors, (1265), 33 states have return successors, (1382), 1263 states have call predecessors, (1382), 1264 states have call successors, (1382) [2024-11-22 01:52:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7651 states to 7651 states and 13088 transitions. [2024-11-22 01:52:16,889 INFO L78 Accepts]: Start accepts. Automaton has 7651 states and 13088 transitions. Word has length 172 [2024-11-22 01:52:16,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:16,890 INFO L471 AbstractCegarLoop]: Abstraction has 7651 states and 13088 transitions. [2024-11-22 01:52:16,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:52:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 7651 states and 13088 transitions. [2024-11-22 01:52:16,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-22 01:52:16,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:16,924 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:16,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 01:52:16,924 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:16,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:16,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1561123722, now seen corresponding path program 1 times [2024-11-22 01:52:16,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:16,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387579889] [2024-11-22 01:52:16,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:16,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 01:52:17,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:17,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387579889] [2024-11-22 01:52:17,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387579889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:17,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:17,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:17,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176848977] [2024-11-22 01:52:17,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:17,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:17,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:17,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:17,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:17,028 INFO L87 Difference]: Start difference. First operand 7651 states and 13088 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:17,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:17,231 INFO L93 Difference]: Finished difference Result 19263 states and 33173 transitions. [2024-11-22 01:52:17,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:17,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 192 [2024-11-22 01:52:17,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:17,286 INFO L225 Difference]: With dead ends: 19263 [2024-11-22 01:52:17,286 INFO L226 Difference]: Without dead ends: 12833 [2024-11-22 01:52:17,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:17,309 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 129 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:17,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1362 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:17,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12833 states. [2024-11-22 01:52:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12833 to 12825. [2024-11-22 01:52:17,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12825 states, 10704 states have (on average 1.6446188340807175) internal successors, (17604), 10711 states have internal predecessors, (17604), 2087 states have call successors, (2087), 30 states have call predecessors, (2087), 33 states have return successors, (2282), 2085 states have call predecessors, (2282), 2086 states have call successors, (2282) [2024-11-22 01:52:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12825 states to 12825 states and 21973 transitions. [2024-11-22 01:52:17,821 INFO L78 Accepts]: Start accepts. Automaton has 12825 states and 21973 transitions. Word has length 192 [2024-11-22 01:52:17,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:17,823 INFO L471 AbstractCegarLoop]: Abstraction has 12825 states and 21973 transitions. [2024-11-22 01:52:17,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand 12825 states and 21973 transitions. [2024-11-22 01:52:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-22 01:52:17,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:17,861 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:17,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 01:52:17,862 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:17,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:17,862 INFO L85 PathProgramCache]: Analyzing trace with hash -319875777, now seen corresponding path program 1 times [2024-11-22 01:52:17,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:17,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29321574] [2024-11-22 01:52:17,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:17,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 01:52:17,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:17,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29321574] [2024-11-22 01:52:17,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29321574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:17,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:17,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:17,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839898422] [2024-11-22 01:52:17,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:17,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:17,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:17,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:17,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:17,926 INFO L87 Difference]: Start difference. First operand 12825 states and 21973 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:52:18,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:18,453 INFO L93 Difference]: Finished difference Result 30746 states and 52592 transitions. [2024-11-22 01:52:18,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:18,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 174 [2024-11-22 01:52:18,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:18,541 INFO L225 Difference]: With dead ends: 30746 [2024-11-22 01:52:18,541 INFO L226 Difference]: Without dead ends: 20146 [2024-11-22 01:52:18,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:18,582 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 127 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:18,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1342 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:18,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20146 states. [2024-11-22 01:52:19,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20146 to 20138. [2024-11-22 01:52:19,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20138 states, 16814 states have (on average 1.6206732484834068) internal successors, (27250), 16821 states have internal predecessors, (27250), 3290 states have call successors, (3290), 30 states have call predecessors, (3290), 33 states have return successors, (3629), 3288 states have call predecessors, (3629), 3289 states have call successors, (3629) [2024-11-22 01:52:19,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20138 states to 20138 states and 34169 transitions. [2024-11-22 01:52:19,525 INFO L78 Accepts]: Start accepts. Automaton has 20138 states and 34169 transitions. Word has length 174 [2024-11-22 01:52:19,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:19,526 INFO L471 AbstractCegarLoop]: Abstraction has 20138 states and 34169 transitions. [2024-11-22 01:52:19,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 01:52:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 20138 states and 34169 transitions. [2024-11-22 01:52:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-22 01:52:19,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:19,572 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:19,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 01:52:19,572 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:19,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:19,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1594675541, now seen corresponding path program 1 times [2024-11-22 01:52:19,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:19,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524774880] [2024-11-22 01:52:19,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:19,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 01:52:19,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:19,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524774880] [2024-11-22 01:52:19,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524774880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:19,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:19,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:19,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146131866] [2024-11-22 01:52:19,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:19,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:19,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:19,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:19,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:19,640 INFO L87 Difference]: Start difference. First operand 20138 states and 34169 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:20,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:20,319 INFO L93 Difference]: Finished difference Result 53188 states and 90586 transitions. [2024-11-22 01:52:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:20,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 194 [2024-11-22 01:52:20,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:20,481 INFO L225 Difference]: With dead ends: 53188 [2024-11-22 01:52:20,481 INFO L226 Difference]: Without dead ends: 35952 [2024-11-22 01:52:20,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:20,537 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 125 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:20,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1362 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:20,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35952 states. [2024-11-22 01:52:21,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35952 to 35944. [2024-11-22 01:52:21,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35944 states, 30170 states have (on average 1.6178985747431223) internal successors, (48812), 30177 states have internal predecessors, (48812), 5740 states have call successors, (5740), 30 states have call predecessors, (5740), 33 states have return successors, (6353), 5738 states have call predecessors, (6353), 5739 states have call successors, (6353) [2024-11-22 01:52:22,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35944 states to 35944 states and 60905 transitions. [2024-11-22 01:52:22,094 INFO L78 Accepts]: Start accepts. Automaton has 35944 states and 60905 transitions. Word has length 194 [2024-11-22 01:52:22,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:22,097 INFO L471 AbstractCegarLoop]: Abstraction has 35944 states and 60905 transitions. [2024-11-22 01:52:22,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 35944 states and 60905 transitions. [2024-11-22 01:52:22,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-22 01:52:22,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:22,166 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:22,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 01:52:22,166 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:22,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:22,167 INFO L85 PathProgramCache]: Analyzing trace with hash 536840362, now seen corresponding path program 1 times [2024-11-22 01:52:22,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:22,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055732196] [2024-11-22 01:52:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:22,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:22,239 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 01:52:22,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:22,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055732196] [2024-11-22 01:52:22,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055732196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:22,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:22,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:22,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083266628] [2024-11-22 01:52:22,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:22,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:22,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:22,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:22,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:22,243 INFO L87 Difference]: Start difference. First operand 35944 states and 60905 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:23,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:23,940 INFO L93 Difference]: Finished difference Result 98035 states and 166613 transitions. [2024-11-22 01:52:23,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:23,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 195 [2024-11-22 01:52:23,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:24,451 INFO L225 Difference]: With dead ends: 98035 [2024-11-22 01:52:24,451 INFO L226 Difference]: Without dead ends: 65949 [2024-11-22 01:52:24,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:24,540 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 123 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:24,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1362 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:24,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65949 states. [2024-11-22 01:52:26,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65949 to 65941. [2024-11-22 01:52:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65941 states, 55654 states have (on average 1.6139900097028066) internal successors, (89825), 55661 states have internal predecessors, (89825), 10253 states have call successors, (10253), 30 states have call predecessors, (10253), 33 states have return successors, (11398), 10251 states have call predecessors, (11398), 10252 states have call successors, (11398) [2024-11-22 01:52:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65941 states to 65941 states and 111476 transitions. [2024-11-22 01:52:26,805 INFO L78 Accepts]: Start accepts. Automaton has 65941 states and 111476 transitions. Word has length 195 [2024-11-22 01:52:26,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:26,805 INFO L471 AbstractCegarLoop]: Abstraction has 65941 states and 111476 transitions. [2024-11-22 01:52:26,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:26,805 INFO L276 IsEmpty]: Start isEmpty. Operand 65941 states and 111476 transitions. [2024-11-22 01:52:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-22 01:52:26,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:26,931 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:26,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 01:52:26,931 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:26,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:26,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1720370411, now seen corresponding path program 1 times [2024-11-22 01:52:26,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:26,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950977668] [2024-11-22 01:52:26,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:26,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 01:52:27,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:27,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950977668] [2024-11-22 01:52:27,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950977668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:27,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:27,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:27,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623776300] [2024-11-22 01:52:27,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:27,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:27,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:27,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:27,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:27,293 INFO L87 Difference]: Start difference. First operand 65941 states and 111476 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:29,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:29,461 INFO L93 Difference]: Finished difference Result 123696 states and 209477 transitions. [2024-11-22 01:52:29,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:29,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2024-11-22 01:52:29,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:29,965 INFO L225 Difference]: With dead ends: 123696 [2024-11-22 01:52:29,965 INFO L226 Difference]: Without dead ends: 123437 [2024-11-22 01:52:30,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:30,025 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 118 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:30,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1376 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:30,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123437 states. [2024-11-22 01:52:33,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123437 to 123429. [2024-11-22 01:52:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123429 states, 104774 states have (on average 1.6089583293565197) internal successors, (168577), 104781 states have internal predecessors, (168577), 18621 states have call successors, (18621), 30 states have call predecessors, (18621), 33 states have return successors, (20812), 18619 states have call predecessors, (20812), 18620 states have call successors, (20812) [2024-11-22 01:52:34,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123429 states to 123429 states and 208010 transitions. [2024-11-22 01:52:34,837 INFO L78 Accepts]: Start accepts. Automaton has 123429 states and 208010 transitions. Word has length 196 [2024-11-22 01:52:34,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:34,837 INFO L471 AbstractCegarLoop]: Abstraction has 123429 states and 208010 transitions. [2024-11-22 01:52:34,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:52:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 123429 states and 208010 transitions. [2024-11-22 01:52:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-22 01:52:35,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:35,014 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:35,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 01:52:35,015 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:35,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:35,016 INFO L85 PathProgramCache]: Analyzing trace with hash -59218423, now seen corresponding path program 1 times [2024-11-22 01:52:35,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:35,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131435544] [2024-11-22 01:52:35,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:35,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 01:52:35,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:35,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131435544] [2024-11-22 01:52:35,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131435544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:35,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:35,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 01:52:35,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806791444] [2024-11-22 01:52:35,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:35,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 01:52:35,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:35,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 01:52:35,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:52:35,215 INFO L87 Difference]: Start difference. First operand 123429 states and 208010 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:52:40,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:40,254 INFO L93 Difference]: Finished difference Result 237257 states and 401461 transitions. [2024-11-22 01:52:40,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 01:52:40,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 197 [2024-11-22 01:52:40,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:41,284 INFO L225 Difference]: With dead ends: 237257 [2024-11-22 01:52:41,284 INFO L226 Difference]: Without dead ends: 237006 [2024-11-22 01:52:41,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:52:41,371 INFO L432 NwaCegarLoop]: 742 mSDtfsCounter, 630 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 3460 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:41,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 3460 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 01:52:41,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237006 states. [2024-11-22 01:52:48,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237006 to 236998. [2024-11-22 01:52:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236998 states, 201191 states have (on average 1.6122888200764447) internal successors, (324378), 201146 states have internal predecessors, (324378), 35744 states have call successors, (35744), 58 states have call predecessors, (35744), 62 states have return successors, (39027), 35797 states have call predecessors, (39027), 35742 states have call successors, (39027) [2024-11-22 01:52:49,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236998 states to 236998 states and 399149 transitions. [2024-11-22 01:52:49,498 INFO L78 Accepts]: Start accepts. Automaton has 236998 states and 399149 transitions. Word has length 197 [2024-11-22 01:52:49,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:49,499 INFO L471 AbstractCegarLoop]: Abstraction has 236998 states and 399149 transitions. [2024-11-22 01:52:49,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:52:49,499 INFO L276 IsEmpty]: Start isEmpty. Operand 236998 states and 399149 transitions. [2024-11-22 01:52:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 01:52:49,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:49,728 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:49,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 01:52:49,729 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:49,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:49,730 INFO L85 PathProgramCache]: Analyzing trace with hash 505403526, now seen corresponding path program 1 times [2024-11-22 01:52:49,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:49,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933521242] [2024-11-22 01:52:49,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:49,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:50,042 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-22 01:52:50,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:50,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933521242] [2024-11-22 01:52:50,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933521242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:50,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13730693] [2024-11-22 01:52:50,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:50,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:50,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:50,045 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:52:50,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 01:52:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:50,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 01:52:50,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:51,467 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 01:52:51,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:52:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:52:51,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13730693] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:52:51,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:52:51,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 28 [2024-11-22 01:52:51,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563303721] [2024-11-22 01:52:51,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:52:51,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-22 01:52:51,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:51,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-22 01:52:51,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2024-11-22 01:52:51,845 INFO L87 Difference]: Start difference. First operand 236998 states and 399149 transitions. Second operand has 28 states, 26 states have (on average 10.23076923076923) internal successors, (266), 24 states have internal predecessors, (266), 9 states have call successors, (54), 8 states have call predecessors, (54), 12 states have return successors, (47), 11 states have call predecessors, (47), 9 states have call successors, (47)