./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_product26.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 e80e5ec358c01b9328a945ffeac50362818d778d67430de128e75eb1cc0d9bc1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:08:47,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:08:47,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:08:47,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:08:47,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:08:47,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:08:47,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:08:47,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:08:47,903 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:08:47,904 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:08:47,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:08:47,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:08:47,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:08:47,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:08:47,905 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:08:47,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:08:47,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:08:47,906 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:08:47,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:08:47,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:08:47,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:08:47,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:08:47,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:08:47,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:08:47,909 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:08:47,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:08:47,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:08:47,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:08:47,910 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:08:47,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:08:47,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:08:47,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:08:47,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:08:47,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:08:47,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:08:47,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:08:47,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:08:47,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:08:47,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:08:47,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:08:47,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:08:47,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:08:47,913 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e80e5ec358c01b9328a945ffeac50362818d778d67430de128e75eb1cc0d9bc1 [2024-11-09 23:08:48,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:08:48,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:08:48,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:08:48,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:08:48,103 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:08:48,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product26.cil.c [2024-11-09 23:08:49,435 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:08:49,649 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:08:49,649 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c [2024-11-09 23:08:49,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e868b0186/e7ed34548aac435ab4ff46fcf5a9727e/FLAG6ea550b00 [2024-11-09 23:08:49,684 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e868b0186/e7ed34548aac435ab4ff46fcf5a9727e [2024-11-09 23:08:49,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:08:49,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:08:49,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:08:49,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:08:49,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:08:49,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:08:49" (1/1) ... [2024-11-09 23:08:49,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211e12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:49, skipping insertion in model container [2024-11-09 23:08:49,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:08:49" (1/1) ... [2024-11-09 23:08:49,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:08:50,150 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_product26.cil.c[51398,51411] [2024-11-09 23:08:50,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:08:50,213 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:08:50,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-09 23:08:50,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [414] [2024-11-09 23:08:50,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [758] [2024-11-09 23:08:50,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1826] [2024-11-09 23:08:50,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1861] [2024-11-09 23:08:50,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2273] [2024-11-09 23:08:50,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2321] [2024-11-09 23:08:50,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2330] [2024-11-09 23:08:50,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2552] [2024-11-09 23:08:50,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2569] [2024-11-09 23:08:50,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2674] [2024-11-09 23:08:50,280 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_product26.cil.c[51398,51411] [2024-11-09 23:08:50,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:08:50,319 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:08:50,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50 WrapperNode [2024-11-09 23:08:50,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:08:50,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:08:50,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:08:50,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:08:50,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,408 INFO L138 Inliner]: procedures = 132, calls = 210, calls flagged for inlining = 59, calls inlined = 56, statements flattened = 1085 [2024-11-09 23:08:50,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:08:50,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:08:50,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:08:50,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:08:50,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,427 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,459 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]. [2024-11-09 23:08:50,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,474 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:08:50,498 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:08:50,498 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:08:50,498 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:08:50,498 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (1/1) ... [2024-11-09 23:08:50,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:08:50,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:08:50,535 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) [2024-11-09 23:08:50,536 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 [2024-11-09 23:08:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 23:08:50,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 23:08:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 23:08:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 23:08:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 23:08:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 23:08:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 23:08:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 23:08:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 23:08:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 23:08:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 23:08:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 23:08:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 23:08:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 23:08:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 23:08:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 23:08:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 23:08:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 23:08:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 23:08:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 23:08:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 23:08:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 23:08:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 23:08:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 23:08:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-09 23:08:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-09 23:08:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 23:08:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 23:08:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:08:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 23:08:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 23:08:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 23:08:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 23:08:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 23:08:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 23:08:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 23:08:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 23:08:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 23:08:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 23:08:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 23:08:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 23:08:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 23:08:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 23:08:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 23:08:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 23:08:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 23:08:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 23:08:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:08:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 23:08:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 23:08:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 23:08:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 23:08:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 23:08:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 23:08:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 23:08:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:08:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:08:50,717 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:08:50,720 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:08:50,792 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2969: #res := ~retValue_acc~43; [2024-11-09 23:08:50,821 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1460: #res#1 := ~retValue_acc~15#1; [2024-11-09 23:08:50,821 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1415-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~14#1; [2024-11-09 23:08:50,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1368: #res := ~retValue_acc~13; [2024-11-09 23:08:50,841 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2671-1: createEmail_#res#1 := createEmail_~retValue_acc~38#1; [2024-11-09 23:08:50,849 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L912: #res := ~retValue_acc~7; [2024-11-09 23:08:50,859 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2106: #res := ~retValue_acc~29; [2024-11-09 23:08:50,887 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2143: #res := ~retValue_acc~30; [2024-11-09 23:08:50,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1991: #res := ~retValue_acc~26; [2024-11-09 23:08:50,960 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1238: #res := ~retValue_acc~11; [2024-11-09 23:08:51,121 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1803-1: getClientId_#res#1 := getClientId_~retValue_acc~20#1; [2024-11-09 23:08:51,121 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2647-1: isReadable_#res#1 := isReadable_~retValue_acc~36#1; [2024-11-09 23:08:51,122 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1756-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~19#1; [2024-11-09 23:08:51,122 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1684-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~18#1; [2024-11-09 23:08:51,122 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1321-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~12#1; [2024-11-09 23:08:51,122 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2627-1: isReadable__wrappee__Keys_#res#1 := isReadable__wrappee__Keys_~retValue_acc~35#1; [2024-11-09 23:08:51,122 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1917-1: getEmailId_#res#1 := getEmailId_~retValue_acc~24#1; [2024-11-09 23:08:51,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2926-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~40#1; [2024-11-09 23:08:51,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1523-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~16#1; [2024-11-09 23:08:51,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~42#1; [2024-11-09 23:08:51,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1858-1: valid_product_#res#1 := valid_product_~retValue_acc~22#1; [2024-11-09 23:08:51,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1630-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~17#1; [2024-11-09 23:08:51,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2935-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~41#1; [2024-11-09 23:08:51,356 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1954: #res := ~retValue_acc~25; [2024-11-09 23:08:51,511 INFO L? ?]: Removed 544 outVars from TransFormulas that were not future-live. [2024-11-09 23:08:51,512 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:08:51,537 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:08:51,541 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:08:51,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:08:51 BoogieIcfgContainer [2024-11-09 23:08:51,542 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:08:51,543 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:08:51,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:08:51,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:08:51,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:08:49" (1/3) ... [2024-11-09 23:08:51,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6847ab50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:08:51, skipping insertion in model container [2024-11-09 23:08:51,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:08:50" (2/3) ... [2024-11-09 23:08:51,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6847ab50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:08:51, skipping insertion in model container [2024-11-09 23:08:51,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:08:51" (3/3) ... [2024-11-09 23:08:51,551 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product26.cil.c [2024-11-09 23:08:51,564 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:08:51,565 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:08:51,627 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:08:51,636 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;@33f242f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:08:51,636 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:08:51,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 331 states have (on average 1.5347432024169185) internal successors, (508), 336 states have internal predecessors, (508), 66 states have call successors, (66), 25 states have call predecessors, (66), 25 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-09 23:08:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 23:08:51,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:51,667 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:51,668 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:51,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:51,673 INFO L85 PathProgramCache]: Analyzing trace with hash 875252490, now seen corresponding path program 1 times [2024-11-09 23:08:51,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:51,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966824360] [2024-11-09 23:08:51,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:51,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:08:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:08:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:08:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 23:08:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 23:08:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:08:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 23:08:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 23:08:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:08:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:08:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:08:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:08:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:08:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:08:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:08:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:08:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,449 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 23:08:52,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:52,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966824360] [2024-11-09 23:08:52,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966824360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:08:52,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36895698] [2024-11-09 23:08:52,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:52,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:08:52,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:08:52,452 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) [2024-11-09 23:08:52,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 23:08:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:52,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 23:08:52,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:08:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 23:08:52,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:08:52,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36895698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:52,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:08:52,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-09 23:08:52,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984928701] [2024-11-09 23:08:52,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:52,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 23:08:52,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:52,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 23:08:52,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:08:52,872 INFO L87 Difference]: Start difference. First operand has 424 states, 331 states have (on average 1.5347432024169185) internal successors, (508), 336 states have internal predecessors, (508), 66 states have call successors, (66), 25 states have call predecessors, (66), 25 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:08:52,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:52,954 INFO L93 Difference]: Finished difference Result 639 states and 951 transitions. [2024-11-09 23:08:52,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 23:08:52,956 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 143 [2024-11-09 23:08:52,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:52,978 INFO L225 Difference]: With dead ends: 639 [2024-11-09 23:08:52,983 INFO L226 Difference]: Without dead ends: 416 [2024-11-09 23:08:52,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:08:53,002 INFO L432 NwaCegarLoop]: 635 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, 635 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 [2024-11-09 23:08:53,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:08:53,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-09 23:08:53,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2024-11-09 23:08:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 324 states have (on average 1.5308641975308641) internal successors, (496), 328 states have internal predecessors, (496), 66 states have call successors, (66), 25 states have call predecessors, (66), 25 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 23:08:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 627 transitions. [2024-11-09 23:08:53,062 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 627 transitions. Word has length 143 [2024-11-09 23:08:53,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:53,063 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 627 transitions. [2024-11-09 23:08:53,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:08:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 627 transitions. [2024-11-09 23:08:53,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-09 23:08:53,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:53,068 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:53,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 23:08:53,268 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 [2024-11-09 23:08:53,269 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:53,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:53,270 INFO L85 PathProgramCache]: Analyzing trace with hash -930492549, now seen corresponding path program 1 times [2024-11-09 23:08:53,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:53,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696963474] [2024-11-09 23:08:53,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:53,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:08:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:08:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:08:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 23:08:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 23:08:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:08:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 23:08:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:08:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:08:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:08:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:08:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 23:08:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:08:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 23:08:53,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:53,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696963474] [2024-11-09 23:08:53,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696963474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:08:53,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000217810] [2024-11-09 23:08:53,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:53,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:08:53,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:08:53,486 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) [2024-11-09 23:08:53,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 23:08:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:53,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 23:08:53,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:08:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 23:08:53,746 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:08:53,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000217810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:53,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:08:53,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:08:53,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135208441] [2024-11-09 23:08:53,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:53,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:08:53,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:53,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:08:53,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:08:53,750 INFO L87 Difference]: Start difference. First operand 416 states and 627 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:08:53,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:53,795 INFO L93 Difference]: Finished difference Result 628 states and 928 transitions. [2024-11-09 23:08:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:08:53,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 126 [2024-11-09 23:08:53,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:53,799 INFO L225 Difference]: With dead ends: 628 [2024-11-09 23:08:53,801 INFO L226 Difference]: Without dead ends: 419 [2024-11-09 23:08:53,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:08:53,803 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 0 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:53,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1250 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:08:53,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-09 23:08:53,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-11-09 23:08:53,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 327 states have (on average 1.525993883792049) internal successors, (499), 331 states have internal predecessors, (499), 66 states have call successors, (66), 25 states have call predecessors, (66), 25 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 23:08:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 630 transitions. [2024-11-09 23:08:53,821 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 630 transitions. Word has length 126 [2024-11-09 23:08:53,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:53,822 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 630 transitions. [2024-11-09 23:08:53,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:08:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 630 transitions. [2024-11-09 23:08:53,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 23:08:53,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:53,824 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:53,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 23:08:54,024 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 [2024-11-09 23:08:54,025 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:54,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:54,027 INFO L85 PathProgramCache]: Analyzing trace with hash 517741541, now seen corresponding path program 1 times [2024-11-09 23:08:54,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:54,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576472627] [2024-11-09 23:08:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:54,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:08:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:08:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:08:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 23:08:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:08:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 23:08:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:08:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:08:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:08:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:08:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:08:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:08:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:08:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 23:08:54,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:54,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576472627] [2024-11-09 23:08:54,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576472627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:08:54,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158751264] [2024-11-09 23:08:54,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:54,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:08:54,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:08:54,371 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) [2024-11-09 23:08:54,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 23:08:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:54,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:08:54,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:08:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 23:08:54,627 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:08:54,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158751264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:54,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:08:54,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:08:54,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110761607] [2024-11-09 23:08:54,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:54,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:08:54,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:54,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:08:54,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:08:54,630 INFO L87 Difference]: Start difference. First operand 419 states and 630 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:08:54,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:54,664 INFO L93 Difference]: Finished difference Result 900 states and 1369 transitions. [2024-11-09 23:08:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:08:54,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 136 [2024-11-09 23:08:54,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:54,667 INFO L225 Difference]: With dead ends: 900 [2024-11-09 23:08:54,667 INFO L226 Difference]: Without dead ends: 509 [2024-11-09 23:08:54,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:08:54,672 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 152 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 1216 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 [2024-11-09 23:08:54,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 1216 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:08:54,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-09 23:08:54,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 501. [2024-11-09 23:08:54,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 395 states have (on average 1.5341772151898734) internal successors, (606), 399 states have internal predecessors, (606), 80 states have call successors, (80), 25 states have call predecessors, (80), 25 states have return successors, (79), 78 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 23:08:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 765 transitions. [2024-11-09 23:08:54,704 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 765 transitions. Word has length 136 [2024-11-09 23:08:54,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:54,704 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 765 transitions. [2024-11-09 23:08:54,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:08:54,705 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 765 transitions. [2024-11-09 23:08:54,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 23:08:54,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:54,708 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:08:54,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 23:08:54,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:08:54,914 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:54,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:54,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1889118469, now seen corresponding path program 1 times [2024-11-09 23:08:54,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:54,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360893880] [2024-11-09 23:08:54,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:54,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:08:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:08:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:08:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 23:08:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:08:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 23:08:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:08:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:08:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:08:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:08:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:08:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:08:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:08:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,146 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 23:08:55,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:55,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360893880] [2024-11-09 23:08:55,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360893880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:08:55,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260105138] [2024-11-09 23:08:55,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:55,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:08:55,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:08:55,150 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) [2024-11-09 23:08:55,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 23:08:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 23:08:55,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:08:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 23:08:55,437 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:08:55,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260105138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:55,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:08:55,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-09 23:08:55,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864871280] [2024-11-09 23:08:55,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:55,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:08:55,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:55,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:08:55,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:08:55,438 INFO L87 Difference]: Start difference. First operand 501 states and 765 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-09 23:08:55,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:55,483 INFO L93 Difference]: Finished difference Result 993 states and 1520 transitions. [2024-11-09 23:08:55,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:08:55,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 137 [2024-11-09 23:08:55,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:55,486 INFO L225 Difference]: With dead ends: 993 [2024-11-09 23:08:55,486 INFO L226 Difference]: Without dead ends: 503 [2024-11-09 23:08:55,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:08:55,488 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 2 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2465 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 [2024-11-09 23:08:55,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2465 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:08:55,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-09 23:08:55,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-11-09 23:08:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 396 states have (on average 1.5328282828282829) internal successors, (607), 401 states have internal predecessors, (607), 80 states have call successors, (80), 25 states have call predecessors, (80), 26 states have return successors, (81), 78 states have call predecessors, (81), 79 states have call successors, (81) [2024-11-09 23:08:55,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 768 transitions. [2024-11-09 23:08:55,503 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 768 transitions. Word has length 137 [2024-11-09 23:08:55,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:55,503 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 768 transitions. [2024-11-09 23:08:55,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-09 23:08:55,503 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 768 transitions. [2024-11-09 23:08:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 23:08:55,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:55,506 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-11-09 23:08:55,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 23:08:55,706 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 [2024-11-09 23:08:55,706 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:55,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:55,707 INFO L85 PathProgramCache]: Analyzing trace with hash 888104408, now seen corresponding path program 1 times [2024-11-09 23:08:55,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:55,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134734450] [2024-11-09 23:08:55,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:55,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 23:08:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:08:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:08:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 23:08:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 23:08:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:08:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:08:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:08:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:08:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:08:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:08:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:08:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 23:08:55,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:55,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134734450] [2024-11-09 23:08:55,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134734450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:08:55,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784047946] [2024-11-09 23:08:55,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:55,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:08:55,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:08:55,945 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) [2024-11-09 23:08:55,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 23:08:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:08:56,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:08:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 23:08:56,226 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:08:56,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784047946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:56,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:08:56,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-09 23:08:56,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283713808] [2024-11-09 23:08:56,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:56,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:08:56,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:56,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:08:56,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:08:56,228 INFO L87 Difference]: Start difference. First operand 503 states and 768 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-09 23:08:56,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:56,271 INFO L93 Difference]: Finished difference Result 995 states and 1525 transitions. [2024-11-09 23:08:56,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:08:56,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 138 [2024-11-09 23:08:56,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:56,274 INFO L225 Difference]: With dead ends: 995 [2024-11-09 23:08:56,274 INFO L226 Difference]: Without dead ends: 505 [2024-11-09 23:08:56,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:08:56,276 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 2 mSDsluCounter, 1834 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2451 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 [2024-11-09 23:08:56,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2451 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:08:56,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-09 23:08:56,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2024-11-09 23:08:56,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 397 states have (on average 1.5314861460957179) internal successors, (608), 403 states have internal predecessors, (608), 80 states have call successors, (80), 25 states have call predecessors, (80), 27 states have return successors, (86), 78 states have call predecessors, (86), 79 states have call successors, (86) [2024-11-09 23:08:56,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 774 transitions. [2024-11-09 23:08:56,289 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 774 transitions. Word has length 138 [2024-11-09 23:08:56,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:56,290 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 774 transitions. [2024-11-09 23:08:56,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-09 23:08:56,290 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 774 transitions. [2024-11-09 23:08:56,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-09 23:08:56,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:56,292 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:08:56,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 23:08:56,492 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 [2024-11-09 23:08:56,493 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:56,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:56,494 INFO L85 PathProgramCache]: Analyzing trace with hash -359532676, now seen corresponding path program 1 times [2024-11-09 23:08:56,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:56,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450400381] [2024-11-09 23:08:56,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:56,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 23:08:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 23:08:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 23:08:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 23:08:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:08:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:08:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:08:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:08:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:08:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:08:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:08:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 23:08:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 23:08:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 23:08:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-09 23:08:56,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:56,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450400381] [2024-11-09 23:08:56,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450400381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:56,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:56,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:08:56,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819308455] [2024-11-09 23:08:56,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:56,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:08:56,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:56,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:08:56,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:08:56,688 INFO L87 Difference]: Start difference. First operand 505 states and 774 transitions. Second operand has 9 states, 8 states have (on average 12.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-09 23:08:58,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:08:58,805 INFO L93 Difference]: Finished difference Result 1182 states and 1841 transitions. [2024-11-09 23:08:58,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:08:58,806 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 158 [2024-11-09 23:08:58,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:08:58,812 INFO L225 Difference]: With dead ends: 1182 [2024-11-09 23:08:58,812 INFO L226 Difference]: Without dead ends: 700 [2024-11-09 23:08:58,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:08:58,815 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1349 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 457 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 1483 SdHoareTripleChecker+Invalid, 3583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 457 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:08:58,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 1483 Invalid, 3583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [457 Valid, 3126 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 23:08:58,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-09 23:08:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 505. [2024-11-09 23:08:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 397 states have (on average 1.5314861460957179) internal successors, (608), 403 states have internal predecessors, (608), 80 states have call successors, (80), 25 states have call predecessors, (80), 27 states have return successors, (85), 78 states have call predecessors, (85), 79 states have call successors, (85) [2024-11-09 23:08:58,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 773 transitions. [2024-11-09 23:08:58,854 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 773 transitions. Word has length 158 [2024-11-09 23:08:58,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:08:58,854 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 773 transitions. [2024-11-09 23:08:58,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-09 23:08:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 773 transitions. [2024-11-09 23:08:58,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 23:08:58,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:08:58,857 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] [2024-11-09 23:08:58,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:08:58,857 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:08:58,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:08:58,858 INFO L85 PathProgramCache]: Analyzing trace with hash -936320227, now seen corresponding path program 2 times [2024-11-09 23:08:58,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:08:58,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236060578] [2024-11-09 23:08:58,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:08:58,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:08:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:58,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:08:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:58,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:08:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:58,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:08:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:08:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:58,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:08:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 23:08:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:08:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 23:08:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:08:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:08:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:08:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:08:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:08:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:08:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 23:08:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 23:08:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 23:08:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 23:08:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 23:08:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:08:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-09 23:08:59,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:08:59,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236060578] [2024-11-09 23:08:59,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236060578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:08:59,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:08:59,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:08:59,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662262222] [2024-11-09 23:08:59,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:08:59,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:08:59,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:08:59,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:08:59,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:08:59,041 INFO L87 Difference]: Start difference. First operand 505 states and 773 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-09 23:09:01,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:01,217 INFO L93 Difference]: Finished difference Result 1184 states and 1844 transitions. [2024-11-09 23:09:01,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:09:01,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 159 [2024-11-09 23:09:01,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:01,222 INFO L225 Difference]: With dead ends: 1184 [2024-11-09 23:09:01,222 INFO L226 Difference]: Without dead ends: 702 [2024-11-09 23:09:01,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:09:01,224 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1347 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 3109 mSolverCounterSat, 467 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1348 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 3576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 3109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:01,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1348 Valid, 1481 Invalid, 3576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [467 Valid, 3109 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 23:09:01,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-11-09 23:09:01,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 507. [2024-11-09 23:09:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 398 states have (on average 1.5301507537688441) internal successors, (609), 405 states have internal predecessors, (609), 80 states have call successors, (80), 25 states have call predecessors, (80), 28 states have return successors, (87), 78 states have call predecessors, (87), 79 states have call successors, (87) [2024-11-09 23:09:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 776 transitions. [2024-11-09 23:09:01,255 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 776 transitions. Word has length 159 [2024-11-09 23:09:01,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:01,255 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 776 transitions. [2024-11-09 23:09:01,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-09 23:09:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 776 transitions. [2024-11-09 23:09:01,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 23:09:01,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:01,257 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:01,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:09:01,257 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:01,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:01,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1396330958, now seen corresponding path program 1 times [2024-11-09 23:09:01,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:01,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417553567] [2024-11-09 23:09:01,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:01,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:09:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 23:09:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:09:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:09:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:09:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:09:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 23:09:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:09:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:09:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 23:09:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 23:09:01,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:01,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417553567] [2024-11-09 23:09:01,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417553567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:01,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:01,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:09:01,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347340104] [2024-11-09 23:09:01,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:01,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:09:01,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:01,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:09:01,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:09:01,455 INFO L87 Difference]: Start difference. First operand 507 states and 776 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 23:09:04,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:04,450 INFO L93 Difference]: Finished difference Result 1182 states and 1839 transitions. [2024-11-09 23:09:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:09:04,450 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 141 [2024-11-09 23:09:04,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:04,488 INFO L225 Difference]: With dead ends: 1182 [2024-11-09 23:09:04,488 INFO L226 Difference]: Without dead ends: 702 [2024-11-09 23:09:04,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:09:04,492 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 1349 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 5178 mSolverCounterSat, 467 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 5645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 5178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:04,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 2053 Invalid, 5645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [467 Valid, 5178 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 23:09:04,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-11-09 23:09:04,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 507. [2024-11-09 23:09:04,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 398 states have (on average 1.5301507537688441) internal successors, (609), 405 states have internal predecessors, (609), 80 states have call successors, (80), 25 states have call predecessors, (80), 28 states have return successors, (86), 78 states have call predecessors, (86), 79 states have call successors, (86) [2024-11-09 23:09:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 775 transitions. [2024-11-09 23:09:04,522 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 775 transitions. Word has length 141 [2024-11-09 23:09:04,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:04,522 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 775 transitions. [2024-11-09 23:09:04,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 23:09:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 775 transitions. [2024-11-09 23:09:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 23:09:04,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:04,525 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] [2024-11-09 23:09:04,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:09:04,525 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:04,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:04,525 INFO L85 PathProgramCache]: Analyzing trace with hash 2029398792, now seen corresponding path program 1 times [2024-11-09 23:09:04,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:04,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945642987] [2024-11-09 23:09:04,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:04,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:09:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 23:09:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:09:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:09:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 23:09:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:09:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:09:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:09:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:09:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 23:09:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 23:09:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 23:09:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 23:09:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-09 23:09:04,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:04,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945642987] [2024-11-09 23:09:04,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945642987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:04,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:04,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:09:04,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966261947] [2024-11-09 23:09:04,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:04,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:09:04,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:04,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:09:04,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:09:04,729 INFO L87 Difference]: Start difference. First operand 507 states and 775 transitions. Second operand has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-09 23:09:07,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:07,403 INFO L93 Difference]: Finished difference Result 1184 states and 1845 transitions. [2024-11-09 23:09:07,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:09:07,404 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 161 [2024-11-09 23:09:07,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:07,408 INFO L225 Difference]: With dead ends: 1184 [2024-11-09 23:09:07,408 INFO L226 Difference]: Without dead ends: 704 [2024-11-09 23:09:07,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:09:07,410 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 1346 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 5205 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 5668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 5205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:07,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 2053 Invalid, 5668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [463 Valid, 5205 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-09 23:09:07,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-11-09 23:09:07,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 509. [2024-11-09 23:09:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 399 states have (on average 1.5288220551378446) internal successors, (610), 407 states have internal predecessors, (610), 80 states have call successors, (80), 25 states have call predecessors, (80), 29 states have return successors, (91), 78 states have call predecessors, (91), 79 states have call successors, (91) [2024-11-09 23:09:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 781 transitions. [2024-11-09 23:09:07,436 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 781 transitions. Word has length 161 [2024-11-09 23:09:07,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:07,436 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 781 transitions. [2024-11-09 23:09:07,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-09 23:09:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 781 transitions. [2024-11-09 23:09:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 23:09:07,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:07,438 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:07,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:09:07,438 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:07,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:07,438 INFO L85 PathProgramCache]: Analyzing trace with hash -262058155, now seen corresponding path program 1 times [2024-11-09 23:09:07,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:07,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880902769] [2024-11-09 23:09:07,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:07,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 23:09:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 23:09:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:09:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:09:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:09:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:09:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:09:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:09:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:09:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:09:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 23:09:07,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:07,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880902769] [2024-11-09 23:09:07,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880902769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:09:07,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064338865] [2024-11-09 23:09:07,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:07,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:09:07,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:09:07,701 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) [2024-11-09 23:09:07,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 23:09:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:07,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:09:07,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:09:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:09:07,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:09:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:09:08,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064338865] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:09:08,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:09:08,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-09 23:09:08,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266768114] [2024-11-09 23:09:08,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:09:08,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 23:09:08,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:08,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 23:09:08,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:09:08,063 INFO L87 Difference]: Start difference. First operand 509 states and 781 transitions. Second operand has 15 states, 14 states have (on average 11.357142857142858) internal successors, (159), 11 states have internal predecessors, (159), 4 states have call successors, (38), 6 states have call predecessors, (38), 3 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-09 23:09:11,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:11,371 INFO L93 Difference]: Finished difference Result 1699 states and 2732 transitions. [2024-11-09 23:09:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 23:09:11,371 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 11.357142857142858) internal successors, (159), 11 states have internal predecessors, (159), 4 states have call successors, (38), 6 states have call predecessors, (38), 3 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 143 [2024-11-09 23:09:11,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:11,377 INFO L225 Difference]: With dead ends: 1699 [2024-11-09 23:09:11,377 INFO L226 Difference]: Without dead ends: 1222 [2024-11-09 23:09:11,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-09 23:09:11,380 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 2838 mSDsluCounter, 2196 mSDsCounter, 0 mSdLazyCounter, 6224 mSolverCounterSat, 887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 2413 SdHoareTripleChecker+Invalid, 7111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 887 IncrementalHoareTripleChecker+Valid, 6224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:11,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2859 Valid, 2413 Invalid, 7111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [887 Valid, 6224 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 23:09:11,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2024-11-09 23:09:11,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1003. [2024-11-09 23:09:11,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 814 states have (on average 1.5565110565110565) internal successors, (1267), 822 states have internal predecessors, (1267), 159 states have call successors, (159), 25 states have call predecessors, (159), 29 states have return successors, (180), 157 states have call predecessors, (180), 158 states have call successors, (180) [2024-11-09 23:09:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1606 transitions. [2024-11-09 23:09:11,443 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1606 transitions. Word has length 143 [2024-11-09 23:09:11,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:11,443 INFO L471 AbstractCegarLoop]: Abstraction has 1003 states and 1606 transitions. [2024-11-09 23:09:11,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 11.357142857142858) internal successors, (159), 11 states have internal predecessors, (159), 4 states have call successors, (38), 6 states have call predecessors, (38), 3 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-09 23:09:11,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1606 transitions. [2024-11-09 23:09:11,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-09 23:09:11,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:11,447 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:11,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 23:09:11,647 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 [2024-11-09 23:09:11,648 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:11,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:11,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1717145716, now seen corresponding path program 1 times [2024-11-09 23:09:11,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:11,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379488325] [2024-11-09 23:09:11,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:11,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:09:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:09:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:09:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:09:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:09:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:09:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 23:09:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 23:09:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 23:09:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 23:09:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 23:09:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 23:09:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 23:09:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 23:09:11,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:11,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379488325] [2024-11-09 23:09:11,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379488325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:11,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:11,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:09:11,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867490757] [2024-11-09 23:09:11,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:11,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:09:11,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:11,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:09:11,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:09:11,785 INFO L87 Difference]: Start difference. First operand 1003 states and 1606 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:09:13,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:13,363 INFO L93 Difference]: Finished difference Result 2596 states and 4243 transitions. [2024-11-09 23:09:13,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:09:13,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 173 [2024-11-09 23:09:13,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:13,369 INFO L225 Difference]: With dead ends: 2596 [2024-11-09 23:09:13,369 INFO L226 Difference]: Without dead ends: 1673 [2024-11-09 23:09:13,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:09:13,372 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 1491 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 2317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:13,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 1118 Invalid, 2317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 23:09:13,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2024-11-09 23:09:13,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1470. [2024-11-09 23:09:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1202 states have (on average 1.5632279534109816) internal successors, (1879), 1210 states have internal predecessors, (1879), 238 states have call successors, (238), 25 states have call predecessors, (238), 29 states have return successors, (269), 236 states have call predecessors, (269), 237 states have call successors, (269) [2024-11-09 23:09:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 2386 transitions. [2024-11-09 23:09:13,423 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 2386 transitions. Word has length 173 [2024-11-09 23:09:13,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:13,424 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 2386 transitions. [2024-11-09 23:09:13,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:09:13,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 2386 transitions. [2024-11-09 23:09:13,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 23:09:13,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:13,429 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:13,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:09:13,429 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:13,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:13,430 INFO L85 PathProgramCache]: Analyzing trace with hash 87142785, now seen corresponding path program 1 times [2024-11-09 23:09:13,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:13,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841319217] [2024-11-09 23:09:13,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:13,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:09:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:09:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:09:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:09:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:09:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:09:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:09:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:09:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 23:09:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 23:09:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:09:13,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:13,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841319217] [2024-11-09 23:09:13,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841319217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:13,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:13,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:09:13,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617763932] [2024-11-09 23:09:13,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:13,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:09:13,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:13,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:09:13,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:09:13,531 INFO L87 Difference]: Start difference. First operand 1470 states and 2386 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:09:15,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:15,098 INFO L93 Difference]: Finished difference Result 3765 states and 6186 transitions. [2024-11-09 23:09:15,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:09:15,098 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 155 [2024-11-09 23:09:15,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:15,107 INFO L225 Difference]: With dead ends: 3765 [2024-11-09 23:09:15,108 INFO L226 Difference]: Without dead ends: 2434 [2024-11-09 23:09:15,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:09:15,111 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 1493 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 2290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:15,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 1113 Invalid, 2290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 23:09:15,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2024-11-09 23:09:15,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2231. [2024-11-09 23:09:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 1844 states have (on average 1.564533622559653) internal successors, (2885), 1852 states have internal predecessors, (2885), 357 states have call successors, (357), 25 states have call predecessors, (357), 29 states have return successors, (388), 355 states have call predecessors, (388), 356 states have call successors, (388) [2024-11-09 23:09:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 3630 transitions. [2024-11-09 23:09:15,188 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 3630 transitions. Word has length 155 [2024-11-09 23:09:15,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:15,188 INFO L471 AbstractCegarLoop]: Abstraction has 2231 states and 3630 transitions. [2024-11-09 23:09:15,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:09:15,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 3630 transitions. [2024-11-09 23:09:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-09 23:09:15,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:15,197 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:15,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:09:15,197 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:15,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:15,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1999011276, now seen corresponding path program 1 times [2024-11-09 23:09:15,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:15,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501812270] [2024-11-09 23:09:15,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:15,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:09:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:09:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 23:09:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:09:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:09:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:09:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:09:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:09:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 23:09:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 23:09:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 23:09:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-09 23:09:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-09 23:09:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 23:09:15,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:15,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501812270] [2024-11-09 23:09:15,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501812270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:15,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:15,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:09:15,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901071744] [2024-11-09 23:09:15,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:15,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:09:15,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:15,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:09:15,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:09:15,311 INFO L87 Difference]: Start difference. First operand 2231 states and 3630 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:09:16,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:16,726 INFO L93 Difference]: Finished difference Result 5557 states and 9172 transitions. [2024-11-09 23:09:16,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:09:16,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 175 [2024-11-09 23:09:16,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:16,758 INFO L225 Difference]: With dead ends: 5557 [2024-11-09 23:09:16,759 INFO L226 Difference]: Without dead ends: 3614 [2024-11-09 23:09:16,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:09:16,768 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1484 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:16,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 1084 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:09:16,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3614 states. [2024-11-09 23:09:16,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3614 to 3411. [2024-11-09 23:09:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3411 states, 2862 states have (on average 1.56533892382949) internal successors, (4480), 2870 states have internal predecessors, (4480), 519 states have call successors, (519), 25 states have call predecessors, (519), 29 states have return successors, (566), 517 states have call predecessors, (566), 518 states have call successors, (566) [2024-11-09 23:09:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 5565 transitions. [2024-11-09 23:09:16,867 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 5565 transitions. Word has length 175 [2024-11-09 23:09:16,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:16,867 INFO L471 AbstractCegarLoop]: Abstraction has 3411 states and 5565 transitions. [2024-11-09 23:09:16,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:09:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 5565 transitions. [2024-11-09 23:09:16,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-09 23:09:16,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:16,880 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:16,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:09:16,881 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:16,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:16,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1742522922, now seen corresponding path program 1 times [2024-11-09 23:09:16,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:16,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649231836] [2024-11-09 23:09:16,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:16,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:16,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:16,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:16,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:16,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:16,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:16,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:16,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:09:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:16,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:09:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:16,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:09:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:16,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:09:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:16,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:09:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:17,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:09:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:17,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:09:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:17,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 23:09:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:17,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 23:09:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 23:09:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:17,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 23:09:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:17,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 23:09:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:17,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 23:09:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 23:09:17,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:17,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649231836] [2024-11-09 23:09:17,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649231836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:17,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:17,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:09:17,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331214372] [2024-11-09 23:09:17,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:17,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:09:17,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:17,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:09:17,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:09:17,021 INFO L87 Difference]: Start difference. First operand 3411 states and 5565 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:09:18,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:18,634 INFO L93 Difference]: Finished difference Result 8413 states and 13929 transitions. [2024-11-09 23:09:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:09:18,635 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 176 [2024-11-09 23:09:18,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:18,657 INFO L225 Difference]: With dead ends: 8413 [2024-11-09 23:09:18,657 INFO L226 Difference]: Without dead ends: 5535 [2024-11-09 23:09:18,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:09:18,667 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1485 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 1746 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 2279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 1746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:18,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 1083 Invalid, 2279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 1746 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 23:09:18,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5535 states. [2024-11-09 23:09:18,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5535 to 5332. [2024-11-09 23:09:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5332 states, 4538 states have (on average 1.5652269722344645) internal successors, (7103), 4546 states have internal predecessors, (7103), 764 states have call successors, (764), 25 states have call predecessors, (764), 29 states have return successors, (837), 762 states have call predecessors, (837), 763 states have call successors, (837) [2024-11-09 23:09:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5332 states to 5332 states and 8704 transitions. [2024-11-09 23:09:18,865 INFO L78 Accepts]: Start accepts. Automaton has 5332 states and 8704 transitions. Word has length 176 [2024-11-09 23:09:18,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:18,866 INFO L471 AbstractCegarLoop]: Abstraction has 5332 states and 8704 transitions. [2024-11-09 23:09:18,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:09:18,866 INFO L276 IsEmpty]: Start isEmpty. Operand 5332 states and 8704 transitions. [2024-11-09 23:09:18,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-09 23:09:18,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:18,882 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:18,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:09:18,882 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:18,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:18,883 INFO L85 PathProgramCache]: Analyzing trace with hash 619937911, now seen corresponding path program 1 times [2024-11-09 23:09:18,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:18,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114492516] [2024-11-09 23:09:18,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:18,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 23:09:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:09:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:09:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:09:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:09:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:09:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:09:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 23:09:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 23:09:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 23:09:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:09:18,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:18,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114492516] [2024-11-09 23:09:18,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114492516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:18,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:18,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:09:18,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115697423] [2024-11-09 23:09:18,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:18,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:09:18,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:18,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:09:18,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:09:18,970 INFO L87 Difference]: Start difference. First operand 5332 states and 8704 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:09:20,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:20,590 INFO L93 Difference]: Finished difference Result 13209 states and 21901 transitions. [2024-11-09 23:09:20,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:09:20,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 158 [2024-11-09 23:09:20,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:20,623 INFO L225 Difference]: With dead ends: 13209 [2024-11-09 23:09:20,623 INFO L226 Difference]: Without dead ends: 8784 [2024-11-09 23:09:20,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:09:20,635 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 1480 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1499 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 2314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:20,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1499 Valid, 1096 Invalid, 2314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 23:09:20,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8784 states. [2024-11-09 23:09:20,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8784 to 8581. [2024-11-09 23:09:20,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8581 states, 7294 states have (on average 1.5585412667946257) internal successors, (11368), 7302 states have internal predecessors, (11368), 1257 states have call successors, (1257), 25 states have call predecessors, (1257), 29 states have return successors, (1374), 1255 states have call predecessors, (1374), 1256 states have call successors, (1374) [2024-11-09 23:09:20,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8581 states to 8581 states and 13999 transitions. [2024-11-09 23:09:20,918 INFO L78 Accepts]: Start accepts. Automaton has 8581 states and 13999 transitions. Word has length 158 [2024-11-09 23:09:20,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:20,918 INFO L471 AbstractCegarLoop]: Abstraction has 8581 states and 13999 transitions. [2024-11-09 23:09:20,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:09:20,919 INFO L276 IsEmpty]: Start isEmpty. Operand 8581 states and 13999 transitions. [2024-11-09 23:09:20,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 23:09:20,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:20,938 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:20,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:09:20,938 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:20,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:20,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1284244927, now seen corresponding path program 1 times [2024-11-09 23:09:20,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:20,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110337600] [2024-11-09 23:09:20,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:20,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:20,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:20,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:20,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:20,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:20,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:20,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:21,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:09:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:21,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:09:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:09:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:21,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:09:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:21,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:09:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:21,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 23:09:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:21,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 23:09:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:21,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 23:09:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:21,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 23:09:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:21,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 23:09:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:09:21,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:21,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110337600] [2024-11-09 23:09:21,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110337600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:21,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:21,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:09:21,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034861666] [2024-11-09 23:09:21,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:21,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:09:21,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:21,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:09:21,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:09:21,022 INFO L87 Difference]: Start difference. First operand 8581 states and 13999 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:09:22,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:22,860 INFO L93 Difference]: Finished difference Result 21910 states and 36263 transitions. [2024-11-09 23:09:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:09:22,860 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 159 [2024-11-09 23:09:22,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:22,899 INFO L225 Difference]: With dead ends: 21910 [2024-11-09 23:09:22,899 INFO L226 Difference]: Without dead ends: 14700 [2024-11-09 23:09:22,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:09:22,918 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1477 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 1757 mSolverCounterSat, 532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 2289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 1757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:22,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 1090 Invalid, 2289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [532 Valid, 1757 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 23:09:22,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14700 states. [2024-11-09 23:09:23,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14700 to 14497. [2024-11-09 23:09:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14497 states, 12388 states have (on average 1.5557797868905392) internal successors, (19273), 12396 states have internal predecessors, (19273), 2079 states have call successors, (2079), 25 states have call predecessors, (2079), 29 states have return successors, (2274), 2077 states have call predecessors, (2274), 2078 states have call successors, (2274) [2024-11-09 23:09:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14497 states to 14497 states and 23626 transitions. [2024-11-09 23:09:23,344 INFO L78 Accepts]: Start accepts. Automaton has 14497 states and 23626 transitions. Word has length 159 [2024-11-09 23:09:23,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:23,344 INFO L471 AbstractCegarLoop]: Abstraction has 14497 states and 23626 transitions. [2024-11-09 23:09:23,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:09:23,344 INFO L276 IsEmpty]: Start isEmpty. Operand 14497 states and 23626 transitions. [2024-11-09 23:09:23,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 23:09:23,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:23,376 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:23,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:09:23,376 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:23,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:23,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1825263276, now seen corresponding path program 1 times [2024-11-09 23:09:23,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:23,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583432796] [2024-11-09 23:09:23,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:23,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:09:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:09:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:09:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:09:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 23:09:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:09:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 23:09:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 23:09:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 23:09:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 23:09:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 23:09:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 23:09:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-09 23:09:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:23,464 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 23:09:23,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:23,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583432796] [2024-11-09 23:09:23,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583432796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:23,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:23,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:09:23,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003372741] [2024-11-09 23:09:23,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:23,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:09:23,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:23,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:09:23,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:09:23,466 INFO L87 Difference]: Start difference. First operand 14497 states and 23626 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:09:25,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:25,403 INFO L93 Difference]: Finished difference Result 35448 states and 58018 transitions. [2024-11-09 23:09:25,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:09:25,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 179 [2024-11-09 23:09:25,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:25,462 INFO L225 Difference]: With dead ends: 35448 [2024-11-09 23:09:25,462 INFO L226 Difference]: Without dead ends: 23412 [2024-11-09 23:09:25,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:09:25,487 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 1473 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:25,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 1088 Invalid, 2300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 23:09:25,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23412 states. [2024-11-09 23:09:26,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23412 to 23209. [2024-11-09 23:09:26,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23209 states, 19897 states have (on average 1.5237472985877267) internal successors, (30318), 19905 states have internal predecessors, (30318), 3282 states have call successors, (3282), 25 states have call predecessors, (3282), 29 states have return successors, (3621), 3280 states have call predecessors, (3621), 3281 states have call successors, (3621) [2024-11-09 23:09:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23209 states to 23209 states and 37221 transitions. [2024-11-09 23:09:26,298 INFO L78 Accepts]: Start accepts. Automaton has 23209 states and 37221 transitions. Word has length 179 [2024-11-09 23:09:26,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:26,298 INFO L471 AbstractCegarLoop]: Abstraction has 23209 states and 37221 transitions. [2024-11-09 23:09:26,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:09:26,299 INFO L276 IsEmpty]: Start isEmpty. Operand 23209 states and 37221 transitions. [2024-11-09 23:09:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 23:09:26,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:26,329 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:26,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:09:26,329 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:26,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:26,330 INFO L85 PathProgramCache]: Analyzing trace with hash -499678678, now seen corresponding path program 1 times [2024-11-09 23:09:26,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:26,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92664388] [2024-11-09 23:09:26,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:26,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:09:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:09:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:09:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:09:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:09:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 23:09:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:09:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 23:09:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 23:09:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 23:09:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 23:09:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 23:09:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-09 23:09:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 23:09:26,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:26,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92664388] [2024-11-09 23:09:26,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92664388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:26,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:26,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:09:26,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743185375] [2024-11-09 23:09:26,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:26,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:09:26,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:26,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:09:26,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:09:26,448 INFO L87 Difference]: Start difference. First operand 23209 states and 37221 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:09:28,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:28,756 INFO L93 Difference]: Finished difference Result 61872 states and 100534 transitions. [2024-11-09 23:09:28,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:09:28,757 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 180 [2024-11-09 23:09:28,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:28,878 INFO L225 Difference]: With dead ends: 61872 [2024-11-09 23:09:28,878 INFO L226 Difference]: Without dead ends: 41915 [2024-11-09 23:09:28,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:09:28,924 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1473 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 2294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:28,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 1084 Invalid, 2294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 1768 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 23:09:28,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41915 states. [2024-11-09 23:09:30,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41915 to 41712. [2024-11-09 23:09:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41712 states, 35950 states have (on average 1.5181363004172461) internal successors, (54577), 35958 states have internal predecessors, (54577), 5732 states have call successors, (5732), 25 states have call predecessors, (5732), 29 states have return successors, (6345), 5730 states have call predecessors, (6345), 5731 states have call successors, (6345) [2024-11-09 23:09:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41712 states to 41712 states and 66654 transitions. [2024-11-09 23:09:30,272 INFO L78 Accepts]: Start accepts. Automaton has 41712 states and 66654 transitions. Word has length 180 [2024-11-09 23:09:30,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:30,272 INFO L471 AbstractCegarLoop]: Abstraction has 41712 states and 66654 transitions. [2024-11-09 23:09:30,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:09:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 41712 states and 66654 transitions. [2024-11-09 23:09:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-09 23:09:30,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:30,302 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:30,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:09:30,302 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:30,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:30,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1063305001, now seen corresponding path program 1 times [2024-11-09 23:09:30,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:30,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371817215] [2024-11-09 23:09:30,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:30,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:09:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:09:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:09:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:09:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:09:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:09:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:09:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 23:09:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 23:09:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-09 23:09:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:09:30,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:30,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371817215] [2024-11-09 23:09:30,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371817215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:30,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:30,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:09:30,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533905090] [2024-11-09 23:09:30,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:30,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:09:30,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:30,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:09:30,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:09:30,403 INFO L87 Difference]: Start difference. First operand 41712 states and 66654 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:09:33,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:33,282 INFO L93 Difference]: Finished difference Result 114546 states and 184920 transitions. [2024-11-09 23:09:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:09:33,282 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 162 [2024-11-09 23:09:33,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:33,519 INFO L225 Difference]: With dead ends: 114546 [2024-11-09 23:09:33,519 INFO L226 Difference]: Without dead ends: 77188 [2024-11-09 23:09:33,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:09:33,590 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 1472 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:33,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 1112 Invalid, 2282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 1735 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:09:33,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77188 states. [2024-11-09 23:09:35,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77188 to 76985. [2024-11-09 23:09:35,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76985 states, 66710 states have (on average 1.51200719532304) internal successors, (100866), 66718 states have internal predecessors, (100866), 10245 states have call successors, (10245), 25 states have call predecessors, (10245), 29 states have return successors, (11390), 10243 states have call predecessors, (11390), 10244 states have call successors, (11390) [2024-11-09 23:09:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76985 states to 76985 states and 122501 transitions. [2024-11-09 23:09:36,190 INFO L78 Accepts]: Start accepts. Automaton has 76985 states and 122501 transitions. Word has length 162 [2024-11-09 23:09:36,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:36,190 INFO L471 AbstractCegarLoop]: Abstraction has 76985 states and 122501 transitions. [2024-11-09 23:09:36,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:09:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 76985 states and 122501 transitions. [2024-11-09 23:09:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-09 23:09:36,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:36,236 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:36,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:09:36,237 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:36,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:36,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1560108385, now seen corresponding path program 1 times [2024-11-09 23:09:36,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:36,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930783838] [2024-11-09 23:09:36,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:36,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:09:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:09:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:09:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:09:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:09:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:09:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 23:09:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-09 23:09:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 23:09:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 23:09:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:09:36,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:36,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930783838] [2024-11-09 23:09:36,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930783838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:36,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:36,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:09:36,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960176640] [2024-11-09 23:09:36,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:36,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:09:36,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:36,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:09:36,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:09:36,353 INFO L87 Difference]: Start difference. First operand 76985 states and 122501 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:09:40,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:40,065 INFO L93 Difference]: Finished difference Result 145300 states and 234446 transitions. [2024-11-09 23:09:40,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:09:40,066 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 163 [2024-11-09 23:09:40,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:40,623 INFO L225 Difference]: With dead ends: 145300 [2024-11-09 23:09:40,623 INFO L226 Difference]: Without dead ends: 145091 [2024-11-09 23:09:40,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:09:40,672 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 1461 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:40,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1478 Valid, 1125 Invalid, 2300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:09:40,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145091 states. [2024-11-09 23:09:44,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145091 to 144888. [2024-11-09 23:09:45,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144888 states, 126245 states have (on average 1.5052714959008278) internal successors, (190033), 126253 states have internal predecessors, (190033), 18613 states have call successors, (18613), 25 states have call predecessors, (18613), 29 states have return successors, (20804), 18611 states have call predecessors, (20804), 18612 states have call successors, (20804) [2024-11-09 23:09:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144888 states to 144888 states and 229450 transitions. [2024-11-09 23:09:45,715 INFO L78 Accepts]: Start accepts. Automaton has 144888 states and 229450 transitions. Word has length 163 [2024-11-09 23:09:45,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:09:45,718 INFO L471 AbstractCegarLoop]: Abstraction has 144888 states and 229450 transitions. [2024-11-09 23:09:45,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 23:09:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 144888 states and 229450 transitions. [2024-11-09 23:09:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-09 23:09:45,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:09:45,770 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:09:45,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:09:45,771 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:09:45,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:09:45,771 INFO L85 PathProgramCache]: Analyzing trace with hash -217911020, now seen corresponding path program 1 times [2024-11-09 23:09:45,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:09:45,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624518951] [2024-11-09 23:09:45,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:09:45,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:09:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:09:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:09:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:09:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:09:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:09:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:09:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:09:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:09:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:09:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:09:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:09:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:09:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:09:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-09 23:09:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 23:09:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 23:09:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 23:09:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 23:09:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 23:09:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:09:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 23:09:45,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:09:45,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624518951] [2024-11-09 23:09:45,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624518951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:09:45,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:09:45,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 23:09:45,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904843377] [2024-11-09 23:09:45,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:09:45,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:09:45,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:09:45,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:09:45,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:09:45,941 INFO L87 Difference]: Start difference. First operand 144888 states and 229450 transitions. Second operand has 10 states, 10 states have (on average 12.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:09:53,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:09:53,607 INFO L93 Difference]: Finished difference Result 278848 states and 449511 transitions. [2024-11-09 23:09:53,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 23:09:53,607 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 183 [2024-11-09 23:09:53,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:09:54,642 INFO L225 Difference]: With dead ends: 278848 [2024-11-09 23:09:54,642 INFO L226 Difference]: Without dead ends: 278647 [2024-11-09 23:09:54,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-11-09 23:09:54,741 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 3056 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 3923 mSolverCounterSat, 991 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3074 SdHoareTripleChecker+Valid, 1867 SdHoareTripleChecker+Invalid, 4914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 991 IncrementalHoareTripleChecker+Valid, 3923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:09:54,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3074 Valid, 1867 Invalid, 4914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [991 Valid, 3923 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 23:09:54,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278647 states. [2024-11-09 23:10:02,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278647 to 278250. [2024-11-09 23:10:02,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278250 states, 242467 states have (on average 1.507933038310368) internal successors, (365624), 242423 states have internal predecessors, (365624), 35728 states have call successors, (35728), 49 states have call predecessors, (35728), 54 states have return successors, (39011), 35781 states have call predecessors, (39011), 35726 states have call successors, (39011) [2024-11-09 23:10:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278250 states to 278250 states and 440363 transitions. [2024-11-09 23:10:04,075 INFO L78 Accepts]: Start accepts. Automaton has 278250 states and 440363 transitions. Word has length 183 [2024-11-09 23:10:04,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:10:04,076 INFO L471 AbstractCegarLoop]: Abstraction has 278250 states and 440363 transitions. [2024-11-09 23:10:04,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 23:10:04,076 INFO L276 IsEmpty]: Start isEmpty. Operand 278250 states and 440363 transitions. [2024-11-09 23:10:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-09 23:10:04,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:10:04,145 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:10:04,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 23:10:04,145 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:10:04,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:10:04,145 INFO L85 PathProgramCache]: Analyzing trace with hash 764584705, now seen corresponding path program 1 times [2024-11-09 23:10:04,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:10:04,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454907683] [2024-11-09 23:10:04,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:10:04,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:10:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:10:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:10:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:10:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:10:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:10:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:10:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:10:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:10:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:10:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:10:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:10:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:10:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:10:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 23:10:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 23:10:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 23:10:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 23:10:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 23:10:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 23:10:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:10:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 23:10:04,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:10:04,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454907683] [2024-11-09 23:10:04,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454907683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:10:04,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:10:04,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 23:10:04,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490007249] [2024-11-09 23:10:04,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:10:04,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 23:10:04,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:10:04,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 23:10:04,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:10:04,356 INFO L87 Difference]: Start difference. First operand 278250 states and 440363 transitions. Second operand has 13 states, 12 states have (on average 10.083333333333334) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19)