./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product32.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_spec6_product32.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67a5f870249755b02192cafa5b1141561e5c0ebfbfae7faed4cfc72be0ad5c3d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 01:58:22,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 01:58:22,230 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 01:58:22,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 01:58:22,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 01:58:22,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 01:58:22,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 01:58:22,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 01:58:22,273 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 01:58:22,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 01:58:22,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 01:58:22,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 01:58:22,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 01:58:22,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 01:58:22,279 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 01:58:22,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 01:58:22,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 01:58:22,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 01:58:22,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 01:58:22,280 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 01:58:22,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 01:58:22,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 01:58:22,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 01:58:22,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 01:58:22,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 01:58:22,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 01:58:22,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 01:58:22,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 01:58:22,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 01:58:22,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 01:58:22,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 01:58:22,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 01:58:22,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:58:22,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 01:58:22,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 01:58:22,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 01:58:22,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 01:58:22,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 01:58:22,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 01:58:22,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 01:58:22,297 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 01:58:22,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 01:58:22,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67a5f870249755b02192cafa5b1141561e5c0ebfbfae7faed4cfc72be0ad5c3d [2024-11-22 01:58:22,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 01:58:22,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 01:58:22,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 01:58:22,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 01:58:22,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 01:58:22,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product32.cil.c [2024-11-22 01:58:24,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 01:58:24,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 01:58:24,453 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product32.cil.c [2024-11-22 01:58:24,478 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84504558b/1d5dbebeb4ff4de2bbc68b95a3e1e2c4/FLAG1b9baea29 [2024-11-22 01:58:24,492 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84504558b/1d5dbebeb4ff4de2bbc68b95a3e1e2c4 [2024-11-22 01:58:24,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 01:58:24,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 01:58:24,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 01:58:24,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 01:58:24,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 01:58:24,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:58:24" (1/1) ... [2024-11-22 01:58:24,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5296632c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:24, skipping insertion in model container [2024-11-22 01:58:24,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:58:24" (1/1) ... [2024-11-22 01:58:24,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 01:58:25,024 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_spec6_product32.cil.c[40215,40228] [2024-11-22 01:58:25,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:58:25,244 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 01:58:25,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-11-22 01:58:25,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [277] [2024-11-22 01:58:25,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1357] [2024-11-22 01:58:25,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1769] [2024-11-22 01:58:25,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1778] [2024-11-22 01:58:25,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1796] [2024-11-22 01:58:25,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2162] [2024-11-22 01:58:25,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2586] [2024-11-22 01:58:25,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2624] [2024-11-22 01:58:25,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2670] [2024-11-22 01:58:25,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2958] [2024-11-22 01:58:25,335 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_spec6_product32.cil.c[40215,40228] [2024-11-22 01:58:25,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:58:25,426 INFO L204 MainTranslator]: Completed translation [2024-11-22 01:58:25,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25 WrapperNode [2024-11-22 01:58:25,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 01:58:25,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 01:58:25,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 01:58:25,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 01:58:25,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,537 INFO L138 Inliner]: procedures = 135, calls = 224, calls flagged for inlining = 62, calls inlined = 54, statements flattened = 1012 [2024-11-22 01:58:25,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 01:58:25,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 01:58:25,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 01:58:25,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 01:58:25,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,599 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 01:58:25,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 01:58:25,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 01:58:25,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 01:58:25,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 01:58:25,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (1/1) ... [2024-11-22 01:58:25,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:58:25,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:58:25,699 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 01:58:25,702 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 01:58:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-22 01:58:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-22 01:58:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-22 01:58:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-22 01:58:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-22 01:58:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-22 01:58:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-22 01:58:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-22 01:58:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-22 01:58:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-22 01:58:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-22 01:58:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-22 01:58:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-22 01:58:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-22 01:58:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-22 01:58:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-22 01:58:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-22 01:58:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-22 01:58:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-22 01:58:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-22 01:58:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-22 01:58:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-22 01:58:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-22 01:58:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-22 01:58:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-22 01:58:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-22 01:58:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-22 01:58:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-22 01:58:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-22 01:58:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-22 01:58:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 01:58:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-22 01:58:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-22 01:58:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-22 01:58:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-22 01:58:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-22 01:58:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-22 01:58:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-22 01:58:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-22 01:58:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-22 01:58:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-22 01:58:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-22 01:58:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-22 01:58:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-22 01:58:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-22 01:58:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-22 01:58:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-22 01:58:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-22 01:58:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-22 01:58:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-22 01:58:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-22 01:58:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-22 01:58:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-22 01:58:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 01:58:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 01:58:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 01:58:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 01:58:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-22 01:58:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-22 01:58:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-22 01:58:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-22 01:58:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 01:58:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 01:58:26,096 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 01:58:26,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 01:58:27,085 INFO L? ?]: Removed 541 outVars from TransFormulas that were not future-live. [2024-11-22 01:58:27,086 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 01:58:27,123 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 01:58:27,123 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 01:58:27,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:58:27 BoogieIcfgContainer [2024-11-22 01:58:27,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 01:58:27,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 01:58:27,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 01:58:27,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 01:58:27,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:58:24" (1/3) ... [2024-11-22 01:58:27,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ee3256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:58:27, skipping insertion in model container [2024-11-22 01:58:27,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:25" (2/3) ... [2024-11-22 01:58:27,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ee3256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:58:27, skipping insertion in model container [2024-11-22 01:58:27,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:58:27" (3/3) ... [2024-11-22 01:58:27,135 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product32.cil.c [2024-11-22 01:58:27,154 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 01:58:27,156 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 01:58:27,282 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 01:58:27,291 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;@367bc794, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 01:58:27,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 01:58:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 430 states, 333 states have (on average 1.5465465465465464) internal successors, (515), 338 states have internal predecessors, (515), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-22 01:58:27,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-22 01:58:27,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:27,334 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:58:27,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:27,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:27,363 INFO L85 PathProgramCache]: Analyzing trace with hash 999257527, now seen corresponding path program 1 times [2024-11-22 01:58:27,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:27,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306931602] [2024-11-22 01:58:27,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:27,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:28,172 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:58:28,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:28,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306931602] [2024-11-22 01:58:28,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306931602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:58:28,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341253330] [2024-11-22 01:58:28,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:28,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:58:28,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:58:28,180 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 01:58:28,182 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 01:58:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:28,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 01:58:28,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:58:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 01:58:28,654 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:58:28,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341253330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:28,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:58:28,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-22 01:58:28,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065225087] [2024-11-22 01:58:28,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:28,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 01:58:28,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:28,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 01:58:28,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:58:28,695 INFO L87 Difference]: Start difference. First operand has 430 states, 333 states have (on average 1.5465465465465464) internal successors, (515), 338 states have internal predecessors, (515), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) Second operand has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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 01:58:28,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:28,772 INFO L93 Difference]: Finished difference Result 667 states and 988 transitions. [2024-11-22 01:58:28,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 01:58:28,779 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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 135 [2024-11-22 01:58:28,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:28,794 INFO L225 Difference]: With dead ends: 667 [2024-11-22 01:58:28,794 INFO L226 Difference]: Without dead ends: 423 [2024-11-22 01:58:28,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 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 01:58:28,806 INFO L432 NwaCegarLoop]: 645 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, 645 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 01:58:28,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:28,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-22 01:58:28,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2024-11-22 01:58:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 327 states have (on average 1.5412844036697249) internal successors, (504), 331 states have internal predecessors, (504), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-22 01:58:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 637 transitions. [2024-11-22 01:58:28,912 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 637 transitions. Word has length 135 [2024-11-22 01:58:28,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:28,914 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 637 transitions. [2024-11-22 01:58:28,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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 01:58:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 637 transitions. [2024-11-22 01:58:28,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 01:58:28,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:28,919 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:58:28,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 01:58:29,120 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 01:58:29,121 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:29,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:29,122 INFO L85 PathProgramCache]: Analyzing trace with hash 701498351, now seen corresponding path program 1 times [2024-11-22 01:58:29,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:29,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916826843] [2024-11-22 01:58:29,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:29,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:58:29,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:29,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916826843] [2024-11-22 01:58:29,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916826843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:58:29,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831660833] [2024-11-22 01:58:29,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:29,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:58:29,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:58:29,455 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 01:58:29,458 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 01:58:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:29,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 01:58:29,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:58:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 01:58:29,843 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:58:29,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831660833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:29,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:58:29,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:58:29,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635916995] [2024-11-22 01:58:29,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:29,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:29,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:29,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:29,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:58:29,849 INFO L87 Difference]: Start difference. First operand 423 states and 637 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 01:58:29,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:29,908 INFO L93 Difference]: Finished difference Result 657 states and 966 transitions. [2024-11-22 01:58:29,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:29,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 136 [2024-11-22 01:58:29,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:29,917 INFO L225 Difference]: With dead ends: 657 [2024-11-22 01:58:29,919 INFO L226 Difference]: Without dead ends: 426 [2024-11-22 01:58:29,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 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 01:58:29,922 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 1 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1268 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 01:58:29,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1268 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:29,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-22 01:58:29,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 425. [2024-11-22 01:58:29,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 329 states have (on average 1.5379939209726443) internal successors, (506), 333 states have internal predecessors, (506), 67 states have call successors, (67), 28 states have call predecessors, (67), 28 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-22 01:58:29,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 639 transitions. [2024-11-22 01:58:29,955 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 639 transitions. Word has length 136 [2024-11-22 01:58:29,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:29,955 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 639 transitions. [2024-11-22 01:58:29,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 01:58:29,956 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 639 transitions. [2024-11-22 01:58:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-22 01:58:29,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:29,959 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:29,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 01:58:30,159 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 01:58:30,160 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:30,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:30,161 INFO L85 PathProgramCache]: Analyzing trace with hash 246414571, now seen corresponding path program 1 times [2024-11-22 01:58:30,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:30,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362205548] [2024-11-22 01:58:30,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:30,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 01:58:30,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:30,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362205548] [2024-11-22 01:58:30,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362205548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:58:30,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758998792] [2024-11-22 01:58:30,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:30,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:58:30,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:58:30,487 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 01:58:30,489 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 01:58:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:30,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 1324 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:58:30,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:58:30,870 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 01:58:30,871 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:58:30,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758998792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:30,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:58:30,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:58:30,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989224770] [2024-11-22 01:58:30,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:30,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:30,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:30,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:30,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:58:30,876 INFO L87 Difference]: Start difference. First operand 425 states and 639 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 01:58:30,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:30,915 INFO L93 Difference]: Finished difference Result 898 states and 1370 transitions. [2024-11-22 01:58:30,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:30,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 164 [2024-11-22 01:58:30,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:30,923 INFO L225 Difference]: With dead ends: 898 [2024-11-22 01:58:30,923 INFO L226 Difference]: Without dead ends: 500 [2024-11-22 01:58:30,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 164 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 01:58:30,927 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 134 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1232 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 01:58:30,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1232 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:30,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-22 01:58:30,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 492. [2024-11-22 01:58:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 382 states have (on average 1.557591623036649) internal successors, (595), 386 states have internal predecessors, (595), 81 states have call successors, (81), 28 states have call predecessors, (81), 28 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-22 01:58:30,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 756 transitions. [2024-11-22 01:58:30,957 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 756 transitions. Word has length 164 [2024-11-22 01:58:30,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:30,957 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 756 transitions. [2024-11-22 01:58:30,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 01:58:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 756 transitions. [2024-11-22 01:58:30,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-22 01:58:30,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:30,961 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:30,972 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 01:58:31,162 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 01:58:31,163 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:31,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:31,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1012260987, now seen corresponding path program 1 times [2024-11-22 01:58:31,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:31,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253709396] [2024-11-22 01:58:31,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:31,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 01:58:31,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:31,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253709396] [2024-11-22 01:58:31,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253709396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:58:31,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112068912] [2024-11-22 01:58:31,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:31,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:58:31,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:58:31,459 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 01:58:31,461 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 01:58:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:31,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 1329 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 01:58:31,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:58:31,921 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-22 01:58:31,921 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:58:31,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112068912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:31,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:58:31,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 01:58:31,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018981140] [2024-11-22 01:58:31,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:31,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:58:31,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:31,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:58:31,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:58:31,924 INFO L87 Difference]: Start difference. First operand 492 states and 756 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 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 01:58:31,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:31,994 INFO L93 Difference]: Finished difference Result 975 states and 1502 transitions. [2024-11-22 01:58:31,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:58:31,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 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 165 [2024-11-22 01:58:31,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:32,000 INFO L225 Difference]: With dead ends: 975 [2024-11-22 01:58:32,000 INFO L226 Difference]: Without dead ends: 494 [2024-11-22 01:58:32,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 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 01:58:32,003 INFO L432 NwaCegarLoop]: 629 mSDtfsCounter, 2 mSDsluCounter, 1876 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2505 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 01:58:32,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2505 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:32,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-22 01:58:32,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2024-11-22 01:58:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 383 states have (on average 1.556135770234987) internal successors, (596), 388 states have internal predecessors, (596), 81 states have call successors, (81), 28 states have call predecessors, (81), 29 states have return successors, (82), 79 states have call predecessors, (82), 80 states have call successors, (82) [2024-11-22 01:58:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 759 transitions. [2024-11-22 01:58:32,030 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 759 transitions. Word has length 165 [2024-11-22 01:58:32,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:32,031 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 759 transitions. [2024-11-22 01:58:32,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 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 01:58:32,031 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 759 transitions. [2024-11-22 01:58:32,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-22 01:58:32,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:32,035 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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 01:58:32,046 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 01:58:32,236 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 01:58:32,236 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:32,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:32,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1441973475, now seen corresponding path program 1 times [2024-11-22 01:58:32,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:32,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060877975] [2024-11-22 01:58:32,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:32,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:32,454 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:58:32,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:32,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060877975] [2024-11-22 01:58:32,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060877975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:58:32,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100460415] [2024-11-22 01:58:32,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:32,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:58:32,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:58:32,458 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 01:58:32,481 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 01:58:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:32,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 01:58:32,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:58:32,866 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-22 01:58:32,867 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:58:32,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100460415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:32,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:58:32,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-22 01:58:32,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546433171] [2024-11-22 01:58:32,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:32,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:58:32,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:32,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:58:32,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:58:32,869 INFO L87 Difference]: Start difference. First operand 494 states and 759 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:58:32,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:32,940 INFO L93 Difference]: Finished difference Result 977 states and 1507 transitions. [2024-11-22 01:58:32,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:58:32,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 166 [2024-11-22 01:58:32,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:32,945 INFO L225 Difference]: With dead ends: 977 [2024-11-22 01:58:32,946 INFO L226 Difference]: Without dead ends: 496 [2024-11-22 01:58:32,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:58:32,949 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 2 mSDsluCounter, 1864 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2491 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:58:32,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2491 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:32,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-22 01:58:32,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2024-11-22 01:58:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 384 states have (on average 1.5546875) internal successors, (597), 390 states have internal predecessors, (597), 81 states have call successors, (81), 28 states have call predecessors, (81), 30 states have return successors, (87), 79 states have call predecessors, (87), 80 states have call successors, (87) [2024-11-22 01:58:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 765 transitions. [2024-11-22 01:58:32,970 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 765 transitions. Word has length 166 [2024-11-22 01:58:32,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:32,971 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 765 transitions. [2024-11-22 01:58:32,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:58:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 765 transitions. [2024-11-22 01:58:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-22 01:58:32,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:32,974 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-22 01:58:32,985 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 01:58:33,174 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 01:58:33,175 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:33,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:33,176 INFO L85 PathProgramCache]: Analyzing trace with hash 961994509, now seen corresponding path program 1 times [2024-11-22 01:58:33,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:33,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111103786] [2024-11-22 01:58:33,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:33,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 01:58:33,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:33,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111103786] [2024-11-22 01:58:33,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111103786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:33,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:33,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:58:33,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686802346] [2024-11-22 01:58:33,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:33,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:58:33,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:33,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:58:33,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:58:33,352 INFO L87 Difference]: Start difference. First operand 496 states and 765 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 01:58:33,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:33,401 INFO L93 Difference]: Finished difference Result 969 states and 1498 transitions. [2024-11-22 01:58:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:58:33,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 148 [2024-11-22 01:58:33,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:33,406 INFO L225 Difference]: With dead ends: 969 [2024-11-22 01:58:33,406 INFO L226 Difference]: Without dead ends: 496 [2024-11-22 01:58:33,409 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 01:58:33,409 INFO L432 NwaCegarLoop]: 630 mSDtfsCounter, 2 mSDsluCounter, 1879 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2509 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 01:58:33,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2509 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:33,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-22 01:58:33,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2024-11-22 01:58:33,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 384 states have (on average 1.5546875) internal successors, (597), 390 states have internal predecessors, (597), 81 states have call successors, (81), 28 states have call predecessors, (81), 30 states have return successors, (86), 79 states have call predecessors, (86), 80 states have call successors, (86) [2024-11-22 01:58:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 764 transitions. [2024-11-22 01:58:33,429 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 764 transitions. Word has length 148 [2024-11-22 01:58:33,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:33,429 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 764 transitions. [2024-11-22 01:58:33,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 01:58:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 764 transitions. [2024-11-22 01:58:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-22 01:58:33,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:33,433 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:33,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 01:58:33,433 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:33,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:33,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1600900688, now seen corresponding path program 1 times [2024-11-22 01:58:33,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:33,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428189201] [2024-11-22 01:58:33,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:33,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 01:58:33,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:33,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428189201] [2024-11-22 01:58:33,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428189201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:33,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:33,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:58:33,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102942746] [2024-11-22 01:58:33,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:33,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:58:33,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:33,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:58:33,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:58:33,634 INFO L87 Difference]: Start difference. First operand 496 states and 764 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 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 01:58:33,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:33,689 INFO L93 Difference]: Finished difference Result 971 states and 1501 transitions. [2024-11-22 01:58:33,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:58:33,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 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 168 [2024-11-22 01:58:33,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:33,694 INFO L225 Difference]: With dead ends: 971 [2024-11-22 01:58:33,694 INFO L226 Difference]: Without dead ends: 498 [2024-11-22 01:58:33,696 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 01:58:33,697 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 1 mSDsluCounter, 1881 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2512 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 01:58:33,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2512 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:33,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-22 01:58:33,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2024-11-22 01:58:33,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 385 states have (on average 1.5532467532467533) internal successors, (598), 392 states have internal predecessors, (598), 81 states have call successors, (81), 28 states have call predecessors, (81), 31 states have return successors, (88), 79 states have call predecessors, (88), 80 states have call successors, (88) [2024-11-22 01:58:33,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 767 transitions. [2024-11-22 01:58:33,718 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 767 transitions. Word has length 168 [2024-11-22 01:58:33,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:33,718 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 767 transitions. [2024-11-22 01:58:33,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 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 01:58:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 767 transitions. [2024-11-22 01:58:33,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-22 01:58:33,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:33,722 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:58:33,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 01:58:33,722 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:33,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:33,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1948880879, now seen corresponding path program 1 times [2024-11-22 01:58:33,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:33,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157511496] [2024-11-22 01:58:33,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:33,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:58:33,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:33,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157511496] [2024-11-22 01:58:33,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157511496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:33,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:33,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:58:33,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653061879] [2024-11-22 01:58:33,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:33,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:58:33,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:33,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:58:33,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:58:33,907 INFO L87 Difference]: Start difference. First operand 498 states and 767 transitions. Second operand has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 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 01:58:34,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:34,044 INFO L93 Difference]: Finished difference Result 973 states and 1500 transitions. [2024-11-22 01:58:34,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 01:58:34,045 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 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 169 [2024-11-22 01:58:34,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:34,049 INFO L225 Difference]: With dead ends: 973 [2024-11-22 01:58:34,049 INFO L226 Difference]: Without dead ends: 500 [2024-11-22 01:58:34,051 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 01:58:34,052 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 7 mSDsluCounter, 3697 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4318 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 01:58:34,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4318 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:58:34,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-22 01:58:34,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2024-11-22 01:58:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 387 states have (on average 1.550387596899225) internal successors, (600), 393 states have internal predecessors, (600), 81 states have call successors, (81), 29 states have call predecessors, (81), 31 states have return successors, (87), 79 states have call predecessors, (87), 80 states have call successors, (87) [2024-11-22 01:58:34,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 768 transitions. [2024-11-22 01:58:34,072 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 768 transitions. Word has length 169 [2024-11-22 01:58:34,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:34,073 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 768 transitions. [2024-11-22 01:58:34,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 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 01:58:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 768 transitions. [2024-11-22 01:58:34,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 01:58:34,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:34,076 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:58:34,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 01:58:34,076 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:34,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:34,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1825074369, now seen corresponding path program 1 times [2024-11-22 01:58:34,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:34,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051557848] [2024-11-22 01:58:34,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:34,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:34,266 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-22 01:58:34,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:34,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051557848] [2024-11-22 01:58:34,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051557848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:34,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:34,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:58:34,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821660958] [2024-11-22 01:58:34,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:34,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:58:34,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:34,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:58:34,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:58:34,268 INFO L87 Difference]: Start difference. First operand 500 states and 768 transitions. Second operand has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-22 01:58:34,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:34,419 INFO L93 Difference]: Finished difference Result 976 states and 1507 transitions. [2024-11-22 01:58:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 01:58:34,420 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 151 [2024-11-22 01:58:34,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:34,424 INFO L225 Difference]: With dead ends: 976 [2024-11-22 01:58:34,424 INFO L226 Difference]: Without dead ends: 503 [2024-11-22 01:58:34,426 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 01:58:34,427 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 5 mSDsluCounter, 3709 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4332 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:58:34,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4332 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:58:34,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-22 01:58:34,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-11-22 01:58:34,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 389 states have (on average 1.5475578406169666) internal successors, (602), 396 states have internal predecessors, (602), 81 states have call successors, (81), 29 states have call predecessors, (81), 32 states have return successors, (92), 79 states have call predecessors, (92), 80 states have call successors, (92) [2024-11-22 01:58:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 775 transitions. [2024-11-22 01:58:34,447 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 775 transitions. Word has length 151 [2024-11-22 01:58:34,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:34,448 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 775 transitions. [2024-11-22 01:58:34,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-22 01:58:34,448 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 775 transitions. [2024-11-22 01:58:34,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-22 01:58:34,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:34,452 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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 01:58:34,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 01:58:34,452 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:34,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:34,453 INFO L85 PathProgramCache]: Analyzing trace with hash -190353900, now seen corresponding path program 1 times [2024-11-22 01:58:34,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:34,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253880092] [2024-11-22 01:58:34,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:34,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 01:58:34,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:34,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253880092] [2024-11-22 01:58:34,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253880092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:58:34,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675550616] [2024-11-22 01:58:34,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:34,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:58:34,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:58:34,678 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 01:58:34,680 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 01:58:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:35,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:58:35,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:58:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-22 01:58:35,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:58:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-22 01:58:35,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675550616] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:58:35,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:58:35,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2024-11-22 01:58:35,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294941231] [2024-11-22 01:58:35,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:58:35,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 01:58:35,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:35,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 01:58:35,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:58:35,259 INFO L87 Difference]: Start difference. First operand 503 states and 775 transitions. Second operand has 11 states, 10 states have (on average 16.8) internal successors, (168), 11 states have internal predecessors, (168), 4 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-22 01:58:35,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:35,976 INFO L93 Difference]: Finished difference Result 1418 states and 2282 transitions. [2024-11-22 01:58:35,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 01:58:35,977 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.8) internal successors, (168), 11 states have internal predecessors, (168), 4 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) Word has length 171 [2024-11-22 01:58:35,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:35,984 INFO L225 Difference]: With dead ends: 1418 [2024-11-22 01:58:35,984 INFO L226 Difference]: Without dead ends: 947 [2024-11-22 01:58:35,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 339 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 01:58:35,987 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 1275 mSDsluCounter, 4442 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 5066 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 01:58:35,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 5066 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 01:58:35,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-11-22 01:58:36,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 923. [2024-11-22 01:58:36,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 730 states have (on average 1.6027397260273972) internal successors, (1170), 736 states have internal predecessors, (1170), 160 states have call successors, (160), 30 states have call predecessors, (160), 32 states have return successors, (181), 158 states have call predecessors, (181), 159 states have call successors, (181) [2024-11-22 01:58:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1511 transitions. [2024-11-22 01:58:36,030 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1511 transitions. Word has length 171 [2024-11-22 01:58:36,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:36,030 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1511 transitions. [2024-11-22 01:58:36,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.8) internal successors, (168), 11 states have internal predecessors, (168), 4 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-22 01:58:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1511 transitions. [2024-11-22 01:58:36,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-22 01:58:36,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:36,036 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-22 01:58:36,048 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 01:58:36,237 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 01:58:36,237 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:36,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:36,238 INFO L85 PathProgramCache]: Analyzing trace with hash 734646014, now seen corresponding path program 1 times [2024-11-22 01:58:36,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:36,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953734814] [2024-11-22 01:58:36,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:36,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:58:36,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:36,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953734814] [2024-11-22 01:58:36,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953734814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:36,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:36,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:58:36,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103301156] [2024-11-22 01:58:36,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:36,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:36,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:36,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:36,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:58:36,308 INFO L87 Difference]: Start difference. First operand 923 states and 1511 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 01:58:36,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:36,361 INFO L93 Difference]: Finished difference Result 2161 states and 3600 transitions. [2024-11-22 01:58:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:36,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 155 [2024-11-22 01:58:36,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:36,372 INFO L225 Difference]: With dead ends: 2161 [2024-11-22 01:58:36,372 INFO L226 Difference]: Without dead ends: 1321 [2024-11-22 01:58:36,377 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 01:58:36,378 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 131 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1283 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 01:58:36,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1283 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:36,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2024-11-22 01:58:36,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1313. [2024-11-22 01:58:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1313 states, 1041 states have (on average 1.6234390009606148) internal successors, (1690), 1047 states have internal predecessors, (1690), 239 states have call successors, (239), 30 states have call predecessors, (239), 32 states have return successors, (270), 237 states have call predecessors, (270), 238 states have call successors, (270) [2024-11-22 01:58:36,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 2199 transitions. [2024-11-22 01:58:36,441 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 2199 transitions. Word has length 155 [2024-11-22 01:58:36,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:36,442 INFO L471 AbstractCegarLoop]: Abstraction has 1313 states and 2199 transitions. [2024-11-22 01:58:36,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 01:58:36,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 2199 transitions. [2024-11-22 01:58:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-22 01:58:36,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:36,450 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:58:36,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 01:58:36,451 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:36,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:36,451 INFO L85 PathProgramCache]: Analyzing trace with hash -659065448, now seen corresponding path program 1 times [2024-11-22 01:58:36,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:36,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283635583] [2024-11-22 01:58:36,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:36,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:36,572 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-22 01:58:36,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:36,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283635583] [2024-11-22 01:58:36,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283635583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:36,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:36,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:58:36,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978840713] [2024-11-22 01:58:36,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:36,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:36,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:36,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:36,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:58:36,576 INFO L87 Difference]: Start difference. First operand 1313 states and 2199 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, (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 01:58:36,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:36,655 INFO L93 Difference]: Finished difference Result 3135 states and 5293 transitions. [2024-11-22 01:58:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:36,656 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, (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 175 [2024-11-22 01:58:36,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:36,672 INFO L225 Difference]: With dead ends: 3135 [2024-11-22 01:58:36,672 INFO L226 Difference]: Without dead ends: 1958 [2024-11-22 01:58:36,678 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 01:58:36,680 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 129 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1266 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 01:58:36,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1266 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:36,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1958 states. [2024-11-22 01:58:36,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1958 to 1950. [2024-11-22 01:58:36,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1950 states, 1559 states have (on average 1.6343810134701733) internal successors, (2548), 1565 states have internal predecessors, (2548), 358 states have call successors, (358), 30 states have call predecessors, (358), 32 states have return successors, (389), 356 states have call predecessors, (389), 357 states have call successors, (389) [2024-11-22 01:58:36,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 3295 transitions. [2024-11-22 01:58:36,784 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 3295 transitions. Word has length 175 [2024-11-22 01:58:36,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:36,785 INFO L471 AbstractCegarLoop]: Abstraction has 1950 states and 3295 transitions. [2024-11-22 01:58:36,785 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, (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 01:58:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 3295 transitions. [2024-11-22 01:58:36,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-22 01:58:36,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:36,799 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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 01:58:36,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 01:58:36,799 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:36,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:36,800 INFO L85 PathProgramCache]: Analyzing trace with hash -105379221, now seen corresponding path program 1 times [2024-11-22 01:58:36,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:36,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884912004] [2024-11-22 01:58:36,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:36,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:36,893 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-22 01:58:36,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:36,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884912004] [2024-11-22 01:58:36,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884912004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:36,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:36,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:58:36,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314355137] [2024-11-22 01:58:36,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:36,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:36,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:36,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:36,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:58:36,897 INFO L87 Difference]: Start difference. First operand 1950 states and 3295 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 01:58:36,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:36,989 INFO L93 Difference]: Finished difference Result 4615 states and 7870 transitions. [2024-11-22 01:58:36,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:36,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 176 [2024-11-22 01:58:36,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:37,009 INFO L225 Difference]: With dead ends: 4615 [2024-11-22 01:58:37,009 INFO L226 Difference]: Without dead ends: 2936 [2024-11-22 01:58:37,019 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 01:58:37,021 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 127 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1261 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 01:58:37,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1261 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:37,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2024-11-22 01:58:37,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 2928. [2024-11-22 01:58:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2375 states have (on average 1.6429473684210527) internal successors, (3902), 2381 states have internal predecessors, (3902), 520 states have call successors, (520), 30 states have call predecessors, (520), 32 states have return successors, (567), 518 states have call predecessors, (567), 519 states have call successors, (567) [2024-11-22 01:58:37,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 4989 transitions. [2024-11-22 01:58:37,226 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 4989 transitions. Word has length 176 [2024-11-22 01:58:37,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:37,227 INFO L471 AbstractCegarLoop]: Abstraction has 2928 states and 4989 transitions. [2024-11-22 01:58:37,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 01:58:37,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 4989 transitions. [2024-11-22 01:58:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-22 01:58:37,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:37,246 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:58:37,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 01:58:37,247 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:37,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:37,247 INFO L85 PathProgramCache]: Analyzing trace with hash -354776736, now seen corresponding path program 1 times [2024-11-22 01:58:37,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:37,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511587250] [2024-11-22 01:58:37,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:37,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:37,330 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:58:37,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:37,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511587250] [2024-11-22 01:58:37,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511587250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:37,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:37,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:58:37,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116162284] [2024-11-22 01:58:37,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:37,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:37,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:37,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:37,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:58:37,334 INFO L87 Difference]: Start difference. First operand 2928 states and 4989 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (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 01:58:37,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:37,513 INFO L93 Difference]: Finished difference Result 6954 states and 11948 transitions. [2024-11-22 01:58:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:37,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (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 158 [2024-11-22 01:58:37,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:37,547 INFO L225 Difference]: With dead ends: 6954 [2024-11-22 01:58:37,547 INFO L226 Difference]: Without dead ends: 4516 [2024-11-22 01:58:37,560 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 01:58:37,561 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 125 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1261 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 01:58:37,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1261 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:37,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4516 states. [2024-11-22 01:58:37,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4516 to 4508. [2024-11-22 01:58:37,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4508 states, 3710 states have (on average 1.649056603773585) internal successors, (6118), 3716 states have internal predecessors, (6118), 765 states have call successors, (765), 30 states have call predecessors, (765), 32 states have return successors, (838), 763 states have call predecessors, (838), 764 states have call successors, (838) [2024-11-22 01:58:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4508 states to 4508 states and 7721 transitions. [2024-11-22 01:58:37,929 INFO L78 Accepts]: Start accepts. Automaton has 4508 states and 7721 transitions. Word has length 158 [2024-11-22 01:58:37,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:37,929 INFO L471 AbstractCegarLoop]: Abstraction has 4508 states and 7721 transitions. [2024-11-22 01:58:37,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (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 01:58:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states and 7721 transitions. [2024-11-22 01:58:37,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-22 01:58:37,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:37,957 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:58:37,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 01:58:37,958 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:37,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:37,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1929400712, now seen corresponding path program 1 times [2024-11-22 01:58:37,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:37,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776215216] [2024-11-22 01:58:37,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:37,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:58:38,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:38,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776215216] [2024-11-22 01:58:38,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776215216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:38,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:38,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:58:38,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925397030] [2024-11-22 01:58:38,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:38,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:38,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:38,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:38,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:58:38,041 INFO L87 Difference]: Start difference. First operand 4508 states and 7721 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 01:58:38,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:38,352 INFO L93 Difference]: Finished difference Result 11125 states and 19177 transitions. [2024-11-22 01:58:38,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:38,352 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 159 [2024-11-22 01:58:38,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:38,410 INFO L225 Difference]: With dead ends: 11125 [2024-11-22 01:58:38,410 INFO L226 Difference]: Without dead ends: 7359 [2024-11-22 01:58:38,428 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 01:58:38,429 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 123 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1284 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 01:58:38,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1284 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:38,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7359 states. [2024-11-22 01:58:38,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7359 to 7351. [2024-11-22 01:58:38,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7351 states, 6060 states have (on average 1.6463696369636964) internal successors, (9977), 6066 states have internal predecessors, (9977), 1258 states have call successors, (1258), 30 states have call predecessors, (1258), 32 states have return successors, (1375), 1256 states have call predecessors, (1375), 1257 states have call successors, (1375) [2024-11-22 01:58:38,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7351 states to 7351 states and 12610 transitions. [2024-11-22 01:58:38,849 INFO L78 Accepts]: Start accepts. Automaton has 7351 states and 12610 transitions. Word has length 159 [2024-11-22 01:58:38,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:38,850 INFO L471 AbstractCegarLoop]: Abstraction has 7351 states and 12610 transitions. [2024-11-22 01:58:38,850 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 01:58:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 7351 states and 12610 transitions. [2024-11-22 01:58:38,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-22 01:58:38,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:38,885 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 01:58:38,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 01:58:38,885 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:38,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:38,886 INFO L85 PathProgramCache]: Analyzing trace with hash -2132274236, now seen corresponding path program 1 times [2024-11-22 01:58:38,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:38,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085788515] [2024-11-22 01:58:38,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:38,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:58:38,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:38,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085788515] [2024-11-22 01:58:38,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085788515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:38,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:38,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:58:38,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266993780] [2024-11-22 01:58:38,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:38,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:38,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:38,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:38,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:58:38,954 INFO L87 Difference]: Start difference. First operand 7351 states and 12610 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 01:58:39,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:39,311 INFO L93 Difference]: Finished difference Result 18545 states and 32030 transitions. [2024-11-22 01:58:39,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:39,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 160 [2024-11-22 01:58:39,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:39,381 INFO L225 Difference]: With dead ends: 18545 [2024-11-22 01:58:39,381 INFO L226 Difference]: Without dead ends: 12338 [2024-11-22 01:58:39,413 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 01:58:39,414 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 121 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1264 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 01:58:39,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1264 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:39,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12338 states. [2024-11-22 01:58:39,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12338 to 12330. [2024-11-22 01:58:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12330 states, 10217 states have (on average 1.6470588235294117) internal successors, (16828), 10223 states have internal predecessors, (16828), 2080 states have call successors, (2080), 30 states have call predecessors, (2080), 32 states have return successors, (2275), 2078 states have call predecessors, (2275), 2079 states have call successors, (2275) [2024-11-22 01:58:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12330 states to 12330 states and 21183 transitions. [2024-11-22 01:58:40,076 INFO L78 Accepts]: Start accepts. Automaton has 12330 states and 21183 transitions. Word has length 160 [2024-11-22 01:58:40,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:40,076 INFO L471 AbstractCegarLoop]: Abstraction has 12330 states and 21183 transitions. [2024-11-22 01:58:40,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 01:58:40,077 INFO L276 IsEmpty]: Start isEmpty. Operand 12330 states and 21183 transitions. [2024-11-22 01:58:40,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-22 01:58:40,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:40,127 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:58:40,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 01:58:40,128 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:40,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:40,128 INFO L85 PathProgramCache]: Analyzing trace with hash -682312915, now seen corresponding path program 1 times [2024-11-22 01:58:40,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:40,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281946895] [2024-11-22 01:58:40,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:40,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-22 01:58:40,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:40,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281946895] [2024-11-22 01:58:40,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281946895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:40,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:40,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:58:40,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370917585] [2024-11-22 01:58:40,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:40,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:40,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:40,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:40,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:58:40,287 INFO L87 Difference]: Start difference. First operand 12330 states and 21183 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 01:58:40,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:40,928 INFO L93 Difference]: Finished difference Result 29503 states and 50609 transitions. [2024-11-22 01:58:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:40,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 180 [2024-11-22 01:58:40,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:41,033 INFO L225 Difference]: With dead ends: 29503 [2024-11-22 01:58:41,034 INFO L226 Difference]: Without dead ends: 19291 [2024-11-22 01:58:41,088 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 01:58:41,089 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 119 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1248 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 01:58:41,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 1248 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:41,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19291 states. [2024-11-22 01:58:42,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19291 to 19283. [2024-11-22 01:58:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19283 states, 15967 states have (on average 1.621970313772155) internal successors, (25898), 15973 states have internal predecessors, (25898), 3283 states have call successors, (3283), 30 states have call predecessors, (3283), 32 states have return successors, (3622), 3281 states have call predecessors, (3622), 3282 states have call successors, (3622) [2024-11-22 01:58:42,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19283 states to 19283 states and 32803 transitions. [2024-11-22 01:58:42,215 INFO L78 Accepts]: Start accepts. Automaton has 19283 states and 32803 transitions. Word has length 180 [2024-11-22 01:58:42,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:42,215 INFO L471 AbstractCegarLoop]: Abstraction has 19283 states and 32803 transitions. [2024-11-22 01:58:42,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 01:58:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 19283 states and 32803 transitions. [2024-11-22 01:58:42,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-22 01:58:42,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:42,270 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:58:42,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 01:58:42,273 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:42,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:42,273 INFO L85 PathProgramCache]: Analyzing trace with hash -645899547, now seen corresponding path program 1 times [2024-11-22 01:58:42,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:42,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766510478] [2024-11-22 01:58:42,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:42,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:58:42,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:42,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766510478] [2024-11-22 01:58:42,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766510478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:42,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:42,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:58:42,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865114105] [2024-11-22 01:58:42,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:42,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:42,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:42,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:42,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:58:42,348 INFO L87 Difference]: Start difference. First operand 19283 states and 32803 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 01:58:43,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:43,238 INFO L93 Difference]: Finished difference Result 50935 states and 86987 transitions. [2024-11-22 01:58:43,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:43,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 162 [2024-11-22 01:58:43,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:43,417 INFO L225 Difference]: With dead ends: 50935 [2024-11-22 01:58:43,417 INFO L226 Difference]: Without dead ends: 34412 [2024-11-22 01:58:43,494 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 01:58:43,495 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 117 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1264 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 01:58:43,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1264 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:43,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34412 states. [2024-11-22 01:58:45,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34412 to 34404. [2024-11-22 01:58:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34404 states, 28638 states have (on average 1.6189678050143166) internal successors, (46364), 28644 states have internal predecessors, (46364), 5733 states have call successors, (5733), 30 states have call predecessors, (5733), 32 states have return successors, (6346), 5731 states have call predecessors, (6346), 5732 states have call successors, (6346) [2024-11-22 01:58:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34404 states to 34404 states and 58443 transitions. [2024-11-22 01:58:45,554 INFO L78 Accepts]: Start accepts. Automaton has 34404 states and 58443 transitions. Word has length 162 [2024-11-22 01:58:45,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:45,555 INFO L471 AbstractCegarLoop]: Abstraction has 34404 states and 58443 transitions. [2024-11-22 01:58:45,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 01:58:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand 34404 states and 58443 transitions. [2024-11-22 01:58:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-22 01:58:45,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:45,848 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 01:58:45,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 01:58:45,849 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:45,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:45,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1530083940, now seen corresponding path program 1 times [2024-11-22 01:58:45,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:45,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848467426] [2024-11-22 01:58:45,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:45,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:58:45,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:45,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848467426] [2024-11-22 01:58:45,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848467426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:45,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:45,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:58:45,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101585718] [2024-11-22 01:58:45,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:45,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:45,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:45,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:45,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:58:45,924 INFO L87 Difference]: Start difference. First operand 34404 states and 58443 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 01:58:47,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:47,700 INFO L93 Difference]: Finished difference Result 93807 states and 159854 transitions. [2024-11-22 01:58:47,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:47,701 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 163 [2024-11-22 01:58:47,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:48,240 INFO L225 Difference]: With dead ends: 93807 [2024-11-22 01:58:48,241 INFO L226 Difference]: Without dead ends: 63079 [2024-11-22 01:58:48,331 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 01:58:48,332 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 115 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1276 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 01:58:48,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1276 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:48,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63079 states. [2024-11-22 01:58:51,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63079 to 63071. [2024-11-22 01:58:51,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63071 states, 52792 states have (on average 1.6148090619790878) internal successors, (85249), 52798 states have internal predecessors, (85249), 10246 states have call successors, (10246), 30 states have call predecessors, (10246), 32 states have return successors, (11391), 10244 states have call predecessors, (11391), 10245 states have call successors, (11391) [2024-11-22 01:58:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63071 states to 63071 states and 106886 transitions. [2024-11-22 01:58:51,897 INFO L78 Accepts]: Start accepts. Automaton has 63071 states and 106886 transitions. Word has length 163 [2024-11-22 01:58:51,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:58:51,898 INFO L471 AbstractCegarLoop]: Abstraction has 63071 states and 106886 transitions. [2024-11-22 01:58:51,898 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 01:58:51,898 INFO L276 IsEmpty]: Start isEmpty. Operand 63071 states and 106886 transitions. [2024-11-22 01:58:51,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-22 01:58:51,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:58:51,998 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-22 01:58:51,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 01:58:51,998 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:58:51,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:58:51,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1613094619, now seen corresponding path program 1 times [2024-11-22 01:58:51,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:58:51,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472383495] [2024-11-22 01:58:51,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:58:51,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:58:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:58:52,083 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 01:58:52,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:58:52,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472383495] [2024-11-22 01:58:52,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472383495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:58:52,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:58:52,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:58:52,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179628158] [2024-11-22 01:58:52,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:58:52,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:58:52,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:58:52,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:58:52,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:58:52,087 INFO L87 Difference]: Start difference. First operand 63071 states and 106886 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 01:58:55,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:58:55,001 INFO L93 Difference]: Finished difference Result 118183 states and 200662 transitions. [2024-11-22 01:58:55,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:58:55,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 164 [2024-11-22 01:58:55,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:58:55,632 INFO L225 Difference]: With dead ends: 118183 [2024-11-22 01:58:55,633 INFO L226 Difference]: Without dead ends: 117952 [2024-11-22 01:58:55,709 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 01:58:55,711 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 110 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1270 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 01:58:55,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 1270 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:58:55,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117952 states. [2024-11-22 01:58:59,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117952 to 117944. [2024-11-22 01:58:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117944 states, 99297 states have (on average 1.6094846772812874) internal successors, (159817), 99303 states have internal predecessors, (159817), 18614 states have call successors, (18614), 30 states have call predecessors, (18614), 32 states have return successors, (20805), 18612 states have call predecessors, (20805), 18613 states have call successors, (20805) [2024-11-22 01:59:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117944 states to 117944 states and 199236 transitions. [2024-11-22 01:59:00,681 INFO L78 Accepts]: Start accepts. Automaton has 117944 states and 199236 transitions. Word has length 164 [2024-11-22 01:59:00,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:59:00,682 INFO L471 AbstractCegarLoop]: Abstraction has 117944 states and 199236 transitions. [2024-11-22 01:59:00,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 01:59:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 117944 states and 199236 transitions. [2024-11-22 01:59:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-22 01:59:00,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:59:00,807 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 01:59:00,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 01:59:00,808 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:59:00,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:59:00,808 INFO L85 PathProgramCache]: Analyzing trace with hash 663626691, now seen corresponding path program 1 times [2024-11-22 01:59:00,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:59:00,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50001656] [2024-11-22 01:59:00,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:59:00,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:59:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:59:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 01:59:01,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:59:01,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50001656] [2024-11-22 01:59:01,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50001656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:59:01,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785564424] [2024-11-22 01:59:01,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:59:01,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:59:01,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:59:01,305 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 01:59:01,307 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 01:59:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:59:01,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 01:59:01,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:59:01,942 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-22 01:59:01,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:59:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:59:02,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785564424] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:59:02,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:59:02,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 28 [2024-11-22 01:59:02,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560885122] [2024-11-22 01:59:02,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:59:02,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-22 01:59:02,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:59:02,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-22 01:59:02,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2024-11-22 01:59:02,354 INFO L87 Difference]: Start difference. First operand 117944 states and 199236 transitions. Second operand has 28 states, 26 states have (on average 10.153846153846153) internal successors, (264), 24 states have internal predecessors, (264), 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) [2024-11-22 01:59:21,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:59:21,769 INFO L93 Difference]: Finished difference Result 470185 states and 818199 transitions. [2024-11-22 01:59:21,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-11-22 01:59:21,769 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 10.153846153846153) internal successors, (264), 24 states have internal predecessors, (264), 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) Word has length 165 [2024-11-22 01:59:21,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:59:24,815 INFO L225 Difference]: With dead ends: 470185 [2024-11-22 01:59:24,815 INFO L226 Difference]: Without dead ends: 469962 [2024-11-22 01:59:24,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3485 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1363, Invalid=11293, Unknown=0, NotChecked=0, Total=12656 [2024-11-22 01:59:24,998 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 7647 mSDsluCounter, 4995 mSDsCounter, 0 mSdLazyCounter, 11542 mSolverCounterSat, 2330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7717 SdHoareTripleChecker+Valid, 5257 SdHoareTripleChecker+Invalid, 13872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2330 IncrementalHoareTripleChecker+Valid, 11542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-22 01:59:24,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7717 Valid, 5257 Invalid, 13872 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2330 Valid, 11542 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-22 01:59:25,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469962 states.