./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product26.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 5be9e48e11f5f92f9ccb04262780ea6fa0bae40b757b81b8e52fca7547f54831 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:54:20,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:54:20,319 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:54:20,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:54:20,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:54:20,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:54:20,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:54:20,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:54:20,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:54:20,379 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:54:20,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:54:20,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:54:20,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:54:20,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:54:20,381 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:54:20,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:54:20,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:54:20,385 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:54:20,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:54:20,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:54:20,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:54:20,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:54:20,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:54:20,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:54:20,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:54:20,388 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:54:20,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:54:20,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:54:20,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:54:20,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:54:20,389 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:54:20,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:54:20,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:54:20,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:54:20,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:54:20,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:54:20,392 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:54:20,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:54:20,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:54:20,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:54:20,392 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:54:20,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:54:20,393 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5be9e48e11f5f92f9ccb04262780ea6fa0bae40b757b81b8e52fca7547f54831 [2024-10-11 02:54:20,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:54:20,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:54:20,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:54:20,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:54:20,667 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:54:20,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product26.cil.c [2024-10-11 02:54:22,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:54:22,450 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:54:22,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product26.cil.c [2024-10-11 02:54:22,477 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f0d953e52/c5cb48e801d94f22b1160793e8e72edd/FLAGd701d38f9 [2024-10-11 02:54:22,492 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f0d953e52/c5cb48e801d94f22b1160793e8e72edd [2024-10-11 02:54:22,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:54:22,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:54:22,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:54:22,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:54:22,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:54:22,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:54:22" (1/1) ... [2024-10-11 02:54:22,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da2f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:22, skipping insertion in model container [2024-10-11 02:54:22,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:54:22" (1/1) ... [2024-10-11 02:54:22,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:54:22,994 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product26.cil.c[14808,14821] [2024-10-11 02:54:23,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:54:23,229 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:54:23,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-10-11 02:54:23,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [392] [2024-10-11 02:54:23,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [436] [2024-10-11 02:54:23,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [794] [2024-10-11 02:54:23,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [803] [2024-10-11 02:54:23,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1169] [2024-10-11 02:54:23,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1391] [2024-10-11 02:54:23,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1426] [2024-10-11 02:54:23,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1443] [2024-10-11 02:54:23,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1847] [2024-10-11 02:54:23,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1950] [2024-10-11 02:54:23,283 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product26.cil.c[14808,14821] [2024-10-11 02:54:23,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:54:23,385 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:54:23,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23 WrapperNode [2024-10-11 02:54:23,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:54:23,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:54:23,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:54:23,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:54:23,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,471 INFO L138 Inliner]: procedures = 132, calls = 208, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1112 [2024-10-11 02:54:23,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:54:23,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:54:23,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:54:23,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:54:23,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,529 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-11 02:54:23,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:54:23,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:54:23,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:54:23,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:54:23,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (1/1) ... [2024-10-11 02:54:23,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:54:23,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:23,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:54:23,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:54:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-11 02:54:23,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-11 02:54:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-11 02:54:23,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-11 02:54:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-11 02:54:23,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-11 02:54:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-11 02:54:23,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-11 02:54:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-11 02:54:23,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-11 02:54:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-11 02:54:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-11 02:54:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-11 02:54:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-11 02:54:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-11 02:54:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-11 02:54:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-11 02:54:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-11 02:54:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-11 02:54:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-11 02:54:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-11 02:54:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-11 02:54:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-10-11 02:54:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-10-11 02:54:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-11 02:54:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-11 02:54:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:54:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-11 02:54:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-11 02:54:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-11 02:54:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-11 02:54:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-11 02:54:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-11 02:54:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-11 02:54:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-11 02:54:23,747 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-11 02:54:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-11 02:54:23,748 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-11 02:54:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-11 02:54:23,748 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-11 02:54:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-11 02:54:23,748 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-11 02:54:23,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-11 02:54:23,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:54:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 02:54:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 02:54:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 02:54:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-11 02:54:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-11 02:54:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-11 02:54:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-11 02:54:23,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:54:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:54:23,984 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:54:23,987 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:54:24,911 INFO L? ?]: Removed 546 outVars from TransFormulas that were not future-live. [2024-10-11 02:54:24,912 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:54:24,996 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:54:24,998 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 02:54:24,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:54:24 BoogieIcfgContainer [2024-10-11 02:54:25,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:54:25,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:54:25,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:54:25,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:54:25,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:54:22" (1/3) ... [2024-10-11 02:54:25,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e426256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:54:25, skipping insertion in model container [2024-10-11 02:54:25,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:23" (2/3) ... [2024-10-11 02:54:25,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e426256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:54:25, skipping insertion in model container [2024-10-11 02:54:25,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:54:24" (3/3) ... [2024-10-11 02:54:25,011 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product26.cil.c [2024-10-11 02:54:25,026 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:54:25,026 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:54:25,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:54:25,128 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;@4e6b2abc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:54:25,128 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:54:25,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 371 states, 284 states have (on average 1.619718309859155) internal successors, (460), 289 states have internal predecessors, (460), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 02:54:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 02:54:25,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:25,167 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:25,168 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:25,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:25,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1227555082, now seen corresponding path program 1 times [2024-10-11 02:54:25,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:25,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055282994] [2024-10-11 02:54:25,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:25,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:54:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:54:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:54:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 02:54:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 02:54:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:54:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:54:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:54:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:54:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 02:54:25,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:25,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055282994] [2024-10-11 02:54:25,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055282994] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:25,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378501327] [2024-10-11 02:54:25,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:25,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:25,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:25,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:25,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 02:54:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:26,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 02:54:26,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:54:26,364 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:54:26,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378501327] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:26,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:54:26,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-11 02:54:26,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295216472] [2024-10-11 02:54:26,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:26,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:54:26,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:26,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:54:26,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:54:26,399 INFO L87 Difference]: Start difference. First operand has 371 states, 284 states have (on average 1.619718309859155) internal successors, (460), 289 states have internal predecessors, (460), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:26,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:26,503 INFO L93 Difference]: Finished difference Result 554 states and 860 transitions. [2024-10-11 02:54:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:54:26,506 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 92 [2024-10-11 02:54:26,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:26,525 INFO L225 Difference]: With dead ends: 554 [2024-10-11 02:54:26,526 INFO L226 Difference]: Without dead ends: 368 [2024-10-11 02:54:26,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:54:26,540 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:26,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 562 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:54:26,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-11 02:54:26,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-10-11 02:54:26,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 282 states have (on average 1.6063829787234043) internal successors, (453), 286 states have internal predecessors, (453), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-11 02:54:26,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 576 transitions. [2024-10-11 02:54:26,614 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 576 transitions. Word has length 92 [2024-10-11 02:54:26,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:26,615 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 576 transitions. [2024-10-11 02:54:26,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 576 transitions. [2024-10-11 02:54:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 02:54:26,621 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:26,622 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:26,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 02:54:26,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 02:54:26,823 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:26,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:26,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1074689865, now seen corresponding path program 1 times [2024-10-11 02:54:26,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:26,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499044393] [2024-10-11 02:54:26,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:26,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:54:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:54:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:54:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 02:54:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:54:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:54:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:54:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:54:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:54:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,177 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 02:54:27,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:27,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499044393] [2024-10-11 02:54:27,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499044393] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:27,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436930460] [2024-10-11 02:54:27,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:27,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:27,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:27,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:27,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 02:54:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:27,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 02:54:27,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:54:27,526 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:54:27,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436930460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:27,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:54:27,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:54:27,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629938885] [2024-10-11 02:54:27,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:27,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:54:27,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:27,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:54:27,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:54:27,529 INFO L87 Difference]: Start difference. First operand 368 states and 576 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:27,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:27,618 INFO L93 Difference]: Finished difference Result 550 states and 844 transitions. [2024-10-11 02:54:27,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:54:27,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 93 [2024-10-11 02:54:27,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:27,622 INFO L225 Difference]: With dead ends: 550 [2024-10-11 02:54:27,625 INFO L226 Difference]: Without dead ends: 370 [2024-10-11 02:54:27,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:54:27,628 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 0 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:27,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1117 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:54:27,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-10-11 02:54:27,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2024-10-11 02:54:27,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 284 states have (on average 1.602112676056338) internal successors, (455), 288 states have internal predecessors, (455), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-11 02:54:27,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 578 transitions. [2024-10-11 02:54:27,668 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 578 transitions. Word has length 93 [2024-10-11 02:54:27,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:27,670 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 578 transitions. [2024-10-11 02:54:27,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:27,671 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 578 transitions. [2024-10-11 02:54:27,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 02:54:27,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:27,676 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:27,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 02:54:27,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:27,877 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:27,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:27,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1374084695, now seen corresponding path program 1 times [2024-10-11 02:54:27,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:27,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371531709] [2024-10-11 02:54:27,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:27,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:54:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:54:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:54:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 02:54:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:54:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:54:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:54:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:54:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:54:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:54:28,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:28,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371531709] [2024-10-11 02:54:28,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371531709] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:28,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272856920] [2024-10-11 02:54:28,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:28,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:28,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:28,169 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:28,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 02:54:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:54:28,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:54:28,503 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:54:28,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272856920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:28,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:54:28,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:54:28,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559675005] [2024-10-11 02:54:28,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:28,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:54:28,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:28,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:54:28,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:54:28,505 INFO L87 Difference]: Start difference. First operand 370 states and 578 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:28,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:28,566 INFO L93 Difference]: Finished difference Result 792 states and 1255 transitions. [2024-10-11 02:54:28,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:54:28,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2024-10-11 02:54:28,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:28,570 INFO L225 Difference]: With dead ends: 792 [2024-10-11 02:54:28,571 INFO L226 Difference]: Without dead ends: 444 [2024-10-11 02:54:28,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:54:28,573 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 136 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:28,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1089 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:54:28,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-10-11 02:54:28,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 439. [2024-10-11 02:54:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 339 states have (on average 1.6194690265486726) internal successors, (549), 343 states have internal predecessors, (549), 76 states have call successors, (76), 23 states have call predecessors, (76), 23 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 02:54:28,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 700 transitions. [2024-10-11 02:54:28,601 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 700 transitions. Word has length 100 [2024-10-11 02:54:28,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:28,602 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 700 transitions. [2024-10-11 02:54:28,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 700 transitions. [2024-10-11 02:54:28,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-11 02:54:28,606 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:28,606 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:28,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 02:54:28,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:28,807 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:28,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:28,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1746740818, now seen corresponding path program 1 times [2024-10-11 02:54:28,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:28,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452339139] [2024-10-11 02:54:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:28,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:28,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:54:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:54:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:54:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 02:54:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:54:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:54:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:54:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:54:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:54:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:54:29,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:29,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452339139] [2024-10-11 02:54:29,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452339139] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:29,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478861354] [2024-10-11 02:54:29,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:29,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:29,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:29,069 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:29,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 02:54:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 02:54:29,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:29,462 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 02:54:29,463 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:54:29,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478861354] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:29,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:54:29,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-11 02:54:29,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881466960] [2024-10-11 02:54:29,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:29,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:54:29,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:29,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:54:29,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:54:29,468 INFO L87 Difference]: Start difference. First operand 439 states and 700 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 02:54:29,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:29,593 INFO L93 Difference]: Finished difference Result 873 states and 1394 transitions. [2024-10-11 02:54:29,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:54:29,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 101 [2024-10-11 02:54:29,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:29,597 INFO L225 Difference]: With dead ends: 873 [2024-10-11 02:54:29,598 INFO L226 Difference]: Without dead ends: 441 [2024-10-11 02:54:29,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:54:29,601 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 2 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2193 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:29,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2193 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:54:29,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-11 02:54:29,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-10-11 02:54:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 340 states have (on average 1.6176470588235294) internal successors, (550), 345 states have internal predecessors, (550), 76 states have call successors, (76), 23 states have call predecessors, (76), 24 states have return successors, (77), 74 states have call predecessors, (77), 75 states have call successors, (77) [2024-10-11 02:54:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 703 transitions. [2024-10-11 02:54:29,628 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 703 transitions. Word has length 101 [2024-10-11 02:54:29,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:29,628 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 703 transitions. [2024-10-11 02:54:29,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 02:54:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 703 transitions. [2024-10-11 02:54:29,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-11 02:54:29,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:29,631 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:29,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 02:54:29,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:29,832 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:29,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:29,833 INFO L85 PathProgramCache]: Analyzing trace with hash 725487997, now seen corresponding path program 1 times [2024-10-11 02:54:29,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:29,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60501418] [2024-10-11 02:54:29,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:29,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:29,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 02:54:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 02:54:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 02:54:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:54:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:54:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:54:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:54:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 02:54:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:54:30,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:30,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60501418] [2024-10-11 02:54:30,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60501418] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:30,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792461256] [2024-10-11 02:54:30,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:30,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:30,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:30,084 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:30,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 02:54:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 02:54:30,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 02:54:30,493 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:54:30,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792461256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:30,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:54:30,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-11 02:54:30,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219140251] [2024-10-11 02:54:30,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:30,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:54:30,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:30,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:54:30,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:54:30,497 INFO L87 Difference]: Start difference. First operand 441 states and 703 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 02:54:30,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:30,633 INFO L93 Difference]: Finished difference Result 875 states and 1399 transitions. [2024-10-11 02:54:30,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:54:30,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 102 [2024-10-11 02:54:30,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:30,638 INFO L225 Difference]: With dead ends: 875 [2024-10-11 02:54:30,638 INFO L226 Difference]: Without dead ends: 443 [2024-10-11 02:54:30,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:54:30,642 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 2 mSDsluCounter, 1630 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:30,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2179 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:54:30,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-11 02:54:30,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2024-10-11 02:54:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 341 states have (on average 1.6158357771260996) internal successors, (551), 347 states have internal predecessors, (551), 76 states have call successors, (76), 23 states have call predecessors, (76), 25 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-10-11 02:54:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 709 transitions. [2024-10-11 02:54:30,667 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 709 transitions. Word has length 102 [2024-10-11 02:54:30,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:30,667 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 709 transitions. [2024-10-11 02:54:30,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 02:54:30,668 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 709 transitions. [2024-10-11 02:54:30,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 02:54:30,670 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:30,670 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:30,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 02:54:30,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:30,872 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:30,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:30,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1487177325, now seen corresponding path program 1 times [2024-10-11 02:54:30,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:30,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582210805] [2024-10-11 02:54:30,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:30,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:30,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 02:54:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 02:54:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 02:54:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:54:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:54:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:54:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:54:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:54:31,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:31,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582210805] [2024-10-11 02:54:31,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582210805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:31,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:31,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:54:31,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574336618] [2024-10-11 02:54:31,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:31,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:54:31,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:31,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:54:31,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:54:31,080 INFO L87 Difference]: Start difference. First operand 443 states and 709 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 02:54:33,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:33,613 INFO L93 Difference]: Finished difference Result 1033 states and 1687 transitions. [2024-10-11 02:54:33,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:54:33,616 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 103 [2024-10-11 02:54:33,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:33,625 INFO L225 Difference]: With dead ends: 1033 [2024-10-11 02:54:33,628 INFO L226 Difference]: Without dead ends: 609 [2024-10-11 02:54:33,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:54:33,631 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1252 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 2956 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 3397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 2956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:33,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 1247 Invalid, 3397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 2956 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 02:54:33,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-10-11 02:54:33,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 443. [2024-10-11 02:54:33,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 341 states have (on average 1.6158357771260996) internal successors, (551), 347 states have internal predecessors, (551), 76 states have call successors, (76), 23 states have call predecessors, (76), 25 states have return successors, (81), 74 states have call predecessors, (81), 75 states have call successors, (81) [2024-10-11 02:54:33,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 708 transitions. [2024-10-11 02:54:33,692 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 708 transitions. Word has length 103 [2024-10-11 02:54:33,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:33,692 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 708 transitions. [2024-10-11 02:54:33,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 02:54:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 708 transitions. [2024-10-11 02:54:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 02:54:33,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:33,698 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:33,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 02:54:33,699 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:33,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:33,699 INFO L85 PathProgramCache]: Analyzing trace with hash 2002993178, now seen corresponding path program 2 times [2024-10-11 02:54:33,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:33,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122316777] [2024-10-11 02:54:33,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:33,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 02:54:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 02:54:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 02:54:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:54:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:54:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:54:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:54:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:54:33,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:33,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122316777] [2024-10-11 02:54:33,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122316777] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:33,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:33,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:54:33,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116053850] [2024-10-11 02:54:33,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:33,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:54:33,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:33,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:54:33,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:54:33,938 INFO L87 Difference]: Start difference. First operand 443 states and 708 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 02:54:36,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:36,355 INFO L93 Difference]: Finished difference Result 1035 states and 1690 transitions. [2024-10-11 02:54:36,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:54:36,359 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 104 [2024-10-11 02:54:36,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:36,363 INFO L225 Difference]: With dead ends: 1035 [2024-10-11 02:54:36,363 INFO L226 Difference]: Without dead ends: 611 [2024-10-11 02:54:36,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:54:36,366 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1252 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 2906 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 3350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 2906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:36,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 1245 Invalid, 3350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 2906 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 02:54:36,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-10-11 02:54:36,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 445. [2024-10-11 02:54:36,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 342 states have (on average 1.6140350877192982) internal successors, (552), 349 states have internal predecessors, (552), 76 states have call successors, (76), 23 states have call predecessors, (76), 26 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2024-10-11 02:54:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 711 transitions. [2024-10-11 02:54:36,407 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 711 transitions. Word has length 104 [2024-10-11 02:54:36,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:36,408 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 711 transitions. [2024-10-11 02:54:36,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 02:54:36,408 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 711 transitions. [2024-10-11 02:54:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 02:54:36,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:36,411 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:36,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 02:54:36,411 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:36,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:36,412 INFO L85 PathProgramCache]: Analyzing trace with hash 330776338, now seen corresponding path program 1 times [2024-10-11 02:54:36,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:36,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981206960] [2024-10-11 02:54:36,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:36,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:54:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 02:54:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:54:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:54:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:54:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:54:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:54:36,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:36,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981206960] [2024-10-11 02:54:36,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981206960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:36,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:36,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:54:36,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899956408] [2024-10-11 02:54:36,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:36,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:54:36,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:36,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:54:36,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:54:36,653 INFO L87 Difference]: Start difference. First operand 445 states and 711 transitions. Second operand has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 02:54:39,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:39,573 INFO L93 Difference]: Finished difference Result 1033 states and 1685 transitions. [2024-10-11 02:54:39,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:54:39,574 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 105 [2024-10-11 02:54:39,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:39,578 INFO L225 Difference]: With dead ends: 1033 [2024-10-11 02:54:39,579 INFO L226 Difference]: Without dead ends: 611 [2024-10-11 02:54:39,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:54:39,581 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1252 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 4913 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 1730 SdHoareTripleChecker+Invalid, 5341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 4913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:39,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 1730 Invalid, 5341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 4913 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-11 02:54:39,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-10-11 02:54:39,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 445. [2024-10-11 02:54:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 342 states have (on average 1.6140350877192982) internal successors, (552), 349 states have internal predecessors, (552), 76 states have call successors, (76), 23 states have call predecessors, (76), 26 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2024-10-11 02:54:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 710 transitions. [2024-10-11 02:54:39,615 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 710 transitions. Word has length 105 [2024-10-11 02:54:39,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:39,616 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 710 transitions. [2024-10-11 02:54:39,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 02:54:39,616 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 710 transitions. [2024-10-11 02:54:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 02:54:39,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:39,618 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:39,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 02:54:39,618 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:39,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:39,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1715232720, now seen corresponding path program 2 times [2024-10-11 02:54:39,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:39,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547246122] [2024-10-11 02:54:39,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:39,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:54:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:54:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:54:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:54:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:54:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:54:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:54:39,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:39,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547246122] [2024-10-11 02:54:39,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547246122] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:39,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:39,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:54:39,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210857323] [2024-10-11 02:54:39,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:39,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:54:39,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:39,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:54:39,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:54:39,894 INFO L87 Difference]: Start difference. First operand 445 states and 710 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 02:54:42,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:42,520 INFO L93 Difference]: Finished difference Result 1035 states and 1691 transitions. [2024-10-11 02:54:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:54:42,521 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 106 [2024-10-11 02:54:42,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:42,525 INFO L225 Difference]: With dead ends: 1035 [2024-10-11 02:54:42,525 INFO L226 Difference]: Without dead ends: 613 [2024-10-11 02:54:42,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:54:42,528 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1247 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 4942 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1248 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 5376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 4942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:42,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1248 Valid, 1731 Invalid, 5376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 4942 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-11 02:54:42,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-10-11 02:54:42,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 447. [2024-10-11 02:54:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 343 states have (on average 1.6122448979591837) internal successors, (553), 351 states have internal predecessors, (553), 76 states have call successors, (76), 23 states have call predecessors, (76), 27 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2024-10-11 02:54:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 716 transitions. [2024-10-11 02:54:42,561 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 716 transitions. Word has length 106 [2024-10-11 02:54:42,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:42,562 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 716 transitions. [2024-10-11 02:54:42,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 02:54:42,562 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 716 transitions. [2024-10-11 02:54:42,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-11 02:54:42,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:42,564 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:42,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 02:54:42,565 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:42,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:42,565 INFO L85 PathProgramCache]: Analyzing trace with hash 537578903, now seen corresponding path program 1 times [2024-10-11 02:54:42,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:42,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434738314] [2024-10-11 02:54:42,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:42,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:54:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:54:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:54:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:54:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:54:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:54:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,808 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-11 02:54:42,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:42,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434738314] [2024-10-11 02:54:42,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434738314] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:42,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467082334] [2024-10-11 02:54:42,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:42,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:42,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:42,810 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:42,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 02:54:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:43,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:54:43,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:43,136 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 02:54:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:43,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467082334] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 02:54:43,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 02:54:43,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-11 02:54:43,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757256158] [2024-10-11 02:54:43,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 02:54:43,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 02:54:43,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:43,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 02:54:43,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:54:43,238 INFO L87 Difference]: Start difference. First operand 447 states and 716 transitions. Second operand has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-11 02:54:46,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:46,513 INFO L93 Difference]: Finished difference Result 1474 states and 2502 transitions. [2024-10-11 02:54:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 02:54:46,514 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 107 [2024-10-11 02:54:46,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:46,520 INFO L225 Difference]: With dead ends: 1474 [2024-10-11 02:54:46,520 INFO L226 Difference]: Without dead ends: 1053 [2024-10-11 02:54:46,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-11 02:54:46,523 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 2747 mSDsluCounter, 1744 mSDsCounter, 0 mSdLazyCounter, 5466 mSolverCounterSat, 844 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2767 SdHoareTripleChecker+Valid, 1927 SdHoareTripleChecker+Invalid, 6310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 844 IncrementalHoareTripleChecker+Valid, 5466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:46,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2767 Valid, 1927 Invalid, 6310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [844 Valid, 5466 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-11 02:54:46,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2024-10-11 02:54:46,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 872. [2024-10-11 02:54:46,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 689 states have (on average 1.6560232220609579) internal successors, (1141), 697 states have internal predecessors, (1141), 155 states have call successors, (155), 23 states have call predecessors, (155), 27 states have return successors, (176), 153 states have call predecessors, (176), 154 states have call successors, (176) [2024-10-11 02:54:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1472 transitions. [2024-10-11 02:54:46,600 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1472 transitions. Word has length 107 [2024-10-11 02:54:46,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:46,600 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1472 transitions. [2024-10-11 02:54:46,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 11 states have internal predecessors, (116), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-11 02:54:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1472 transitions. [2024-10-11 02:54:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 02:54:46,604 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:46,604 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:46,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 02:54:46,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 02:54:46,807 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:46,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:46,807 INFO L85 PathProgramCache]: Analyzing trace with hash -209281272, now seen corresponding path program 1 times [2024-10-11 02:54:46,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:46,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199463942] [2024-10-11 02:54:46,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:46,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:54:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:54:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:54:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:54:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:54:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:54:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:46,921 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:46,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:46,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199463942] [2024-10-11 02:54:46,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199463942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:46,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:46,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:46,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143125104] [2024-10-11 02:54:46,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:46,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:46,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:46,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:46,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:46,924 INFO L87 Difference]: Start difference. First operand 872 states and 1472 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:48,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:48,754 INFO L93 Difference]: Finished difference Result 2249 states and 3891 transitions. [2024-10-11 02:54:48,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:48,755 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-10-11 02:54:48,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:48,766 INFO L225 Difference]: With dead ends: 2249 [2024-10-11 02:54:48,766 INFO L226 Difference]: Without dead ends: 1445 [2024-10-11 02:54:48,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:48,770 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1379 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 1697 mSolverCounterSat, 496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 2193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 496 IncrementalHoareTripleChecker+Valid, 1697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:48,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 933 Invalid, 2193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [496 Valid, 1697 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 02:54:48,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2024-10-11 02:54:48,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1274. [2024-10-11 02:54:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1274 states, 1012 states have (on average 1.66798418972332) internal successors, (1688), 1020 states have internal predecessors, (1688), 234 states have call successors, (234), 23 states have call predecessors, (234), 27 states have return successors, (265), 232 states have call predecessors, (265), 233 states have call successors, (265) [2024-10-11 02:54:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 2187 transitions. [2024-10-11 02:54:48,844 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 2187 transitions. Word has length 111 [2024-10-11 02:54:48,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:48,845 INFO L471 AbstractCegarLoop]: Abstraction has 1274 states and 2187 transitions. [2024-10-11 02:54:48,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:48,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 2187 transitions. [2024-10-11 02:54:48,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 02:54:48,852 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:48,852 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:48,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 02:54:48,852 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:48,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:48,853 INFO L85 PathProgramCache]: Analyzing trace with hash -244644062, now seen corresponding path program 1 times [2024-10-11 02:54:48,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:48,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837557380] [2024-10-11 02:54:48,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:48,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:54:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:54:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:54:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:54:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:54:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:54:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,958 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:48,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:48,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837557380] [2024-10-11 02:54:48,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837557380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:48,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:48,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:48,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666180158] [2024-10-11 02:54:48,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:48,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:48,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:48,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:48,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:48,961 INFO L87 Difference]: Start difference. First operand 1274 states and 2187 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:50,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:50,498 INFO L93 Difference]: Finished difference Result 3252 states and 5668 transitions. [2024-10-11 02:54:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:50,499 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2024-10-11 02:54:50,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:50,512 INFO L225 Difference]: With dead ends: 3252 [2024-10-11 02:54:50,513 INFO L226 Difference]: Without dead ends: 2096 [2024-10-11 02:54:50,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:50,518 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1377 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1395 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 2197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:50,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1395 Valid, 916 Invalid, 2197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 02:54:50,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2024-10-11 02:54:50,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 1925. [2024-10-11 02:54:50,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1925 states, 1544 states have (on average 1.6735751295336787) internal successors, (2584), 1552 states have internal predecessors, (2584), 353 states have call successors, (353), 23 states have call predecessors, (353), 27 states have return successors, (384), 351 states have call predecessors, (384), 352 states have call successors, (384) [2024-10-11 02:54:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 3321 transitions. [2024-10-11 02:54:50,613 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 3321 transitions. Word has length 112 [2024-10-11 02:54:50,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:50,614 INFO L471 AbstractCegarLoop]: Abstraction has 1925 states and 3321 transitions. [2024-10-11 02:54:50,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:50,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 3321 transitions. [2024-10-11 02:54:50,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 02:54:50,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:50,624 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:50,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 02:54:50,624 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:50,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:50,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1860263318, now seen corresponding path program 1 times [2024-10-11 02:54:50,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:50,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012700439] [2024-10-11 02:54:50,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:50,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:54:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:54:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:54:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:54:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:54:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:54:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:50,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:50,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012700439] [2024-10-11 02:54:50,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012700439] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:50,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:50,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:50,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628865072] [2024-10-11 02:54:50,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:50,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:50,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:50,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:50,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:50,804 INFO L87 Difference]: Start difference. First operand 1925 states and 3321 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:52,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:52,450 INFO L93 Difference]: Finished difference Result 4776 states and 8386 transitions. [2024-10-11 02:54:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:52,451 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-10-11 02:54:52,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:52,474 INFO L225 Difference]: With dead ends: 4776 [2024-10-11 02:54:52,474 INFO L226 Difference]: Without dead ends: 3097 [2024-10-11 02:54:52,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:52,484 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1378 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1667 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:52,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 909 Invalid, 2175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1667 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:54:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2024-10-11 02:54:52,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 2926. [2024-10-11 02:54:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2383 states have (on average 1.678556441460344) internal successors, (4000), 2391 states have internal predecessors, (4000), 515 states have call successors, (515), 23 states have call predecessors, (515), 27 states have return successors, (562), 513 states have call predecessors, (562), 514 states have call successors, (562) [2024-10-11 02:54:52,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 5077 transitions. [2024-10-11 02:54:52,664 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 5077 transitions. Word has length 113 [2024-10-11 02:54:52,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:52,665 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 5077 transitions. [2024-10-11 02:54:52,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:52,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 5077 transitions. [2024-10-11 02:54:52,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 02:54:52,677 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:52,677 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:52,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 02:54:52,677 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:52,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:52,678 INFO L85 PathProgramCache]: Analyzing trace with hash -172707773, now seen corresponding path program 1 times [2024-10-11 02:54:52,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:52,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580114175] [2024-10-11 02:54:52,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:52,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:54:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:54:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:54:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:54:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:54:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:54:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:52,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:52,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580114175] [2024-10-11 02:54:52,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580114175] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:52,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:52,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:52,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909115896] [2024-10-11 02:54:52,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:52,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:52,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:52,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:52,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:52,810 INFO L87 Difference]: Start difference. First operand 2926 states and 5077 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:54,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:54,493 INFO L93 Difference]: Finished difference Result 7188 states and 12699 transitions. [2024-10-11 02:54:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:54,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2024-10-11 02:54:54,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:54,523 INFO L225 Difference]: With dead ends: 7188 [2024-10-11 02:54:54,524 INFO L226 Difference]: Without dead ends: 4717 [2024-10-11 02:54:54,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:54,535 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1376 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1672 mSolverCounterSat, 499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1395 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 2171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 499 IncrementalHoareTripleChecker+Valid, 1672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:54,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1395 Valid, 907 Invalid, 2171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [499 Valid, 1672 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:54:54,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4717 states. [2024-10-11 02:54:54,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4717 to 4546. [2024-10-11 02:54:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4546 states, 3758 states have (on average 1.682277807344332) internal successors, (6322), 3766 states have internal predecessors, (6322), 760 states have call successors, (760), 23 states have call predecessors, (760), 27 states have return successors, (833), 758 states have call predecessors, (833), 759 states have call successors, (833) [2024-10-11 02:54:54,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4546 states to 4546 states and 7915 transitions. [2024-10-11 02:54:54,742 INFO L78 Accepts]: Start accepts. Automaton has 4546 states and 7915 transitions. Word has length 114 [2024-10-11 02:54:54,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:54,743 INFO L471 AbstractCegarLoop]: Abstraction has 4546 states and 7915 transitions. [2024-10-11 02:54:54,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:54,743 INFO L276 IsEmpty]: Start isEmpty. Operand 4546 states and 7915 transitions. [2024-10-11 02:54:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 02:54:54,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:54,757 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:54,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 02:54:54,757 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:54,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:54,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1809960786, now seen corresponding path program 1 times [2024-10-11 02:54:54,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:54,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013387072] [2024-10-11 02:54:54,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:54,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:54:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:54:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:54:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:54:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:54:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:54:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:54,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:54,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013387072] [2024-10-11 02:54:54,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013387072] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:54,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:54,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:54,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902635916] [2024-10-11 02:54:54,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:54,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:54,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:54,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:54,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:54,886 INFO L87 Difference]: Start difference. First operand 4546 states and 7915 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:56,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:56,613 INFO L93 Difference]: Finished difference Result 11265 states and 19952 transitions. [2024-10-11 02:54:56,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:56,614 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-10-11 02:54:56,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:56,660 INFO L225 Difference]: With dead ends: 11265 [2024-10-11 02:54:56,661 INFO L226 Difference]: Without dead ends: 7477 [2024-10-11 02:54:56,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:56,675 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1376 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1395 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 2203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:56,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1395 Valid, 921 Invalid, 2203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 1702 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:54:56,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7477 states. [2024-10-11 02:54:56,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7477 to 7306. [2024-10-11 02:54:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7306 states, 6025 states have (on average 1.6760165975103734) internal successors, (10098), 6033 states have internal predecessors, (10098), 1253 states have call successors, (1253), 23 states have call predecessors, (1253), 27 states have return successors, (1370), 1251 states have call predecessors, (1370), 1252 states have call successors, (1370) [2024-10-11 02:54:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7306 states to 7306 states and 12721 transitions. [2024-10-11 02:54:57,001 INFO L78 Accepts]: Start accepts. Automaton has 7306 states and 12721 transitions. Word has length 115 [2024-10-11 02:54:57,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:57,001 INFO L471 AbstractCegarLoop]: Abstraction has 7306 states and 12721 transitions. [2024-10-11 02:54:57,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:57,002 INFO L276 IsEmpty]: Start isEmpty. Operand 7306 states and 12721 transitions. [2024-10-11 02:54:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 02:54:57,079 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:57,079 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:57,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 02:54:57,080 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:57,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:57,081 INFO L85 PathProgramCache]: Analyzing trace with hash -440368505, now seen corresponding path program 1 times [2024-10-11 02:54:57,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:57,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425919682] [2024-10-11 02:54:57,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:57,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:54:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:54:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:54:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:54:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:54:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:54:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:57,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:57,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425919682] [2024-10-11 02:54:57,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425919682] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:57,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:57,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:57,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149841606] [2024-10-11 02:54:57,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:57,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:57,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:57,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:57,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:57,201 INFO L87 Difference]: Start difference. First operand 7306 states and 12721 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:59,042 INFO L93 Difference]: Finished difference Result 18624 states and 32972 transitions. [2024-10-11 02:54:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:59,042 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2024-10-11 02:54:59,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:59,097 INFO L225 Difference]: With dead ends: 18624 [2024-10-11 02:54:59,098 INFO L226 Difference]: Without dead ends: 12462 [2024-10-11 02:54:59,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:59,125 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1372 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:59,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 908 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:54:59,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12462 states. [2024-10-11 02:54:59,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12462 to 12291. [2024-10-11 02:54:59,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12291 states, 10188 states have (on average 1.6756968983117393) internal successors, (17072), 10196 states have internal predecessors, (17072), 2075 states have call successors, (2075), 23 states have call predecessors, (2075), 27 states have return successors, (2270), 2073 states have call predecessors, (2270), 2074 states have call successors, (2270) [2024-10-11 02:54:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12291 states to 12291 states and 21417 transitions. [2024-10-11 02:54:59,706 INFO L78 Accepts]: Start accepts. Automaton has 12291 states and 21417 transitions. Word has length 116 [2024-10-11 02:54:59,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:59,707 INFO L471 AbstractCegarLoop]: Abstraction has 12291 states and 21417 transitions. [2024-10-11 02:54:59,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:54:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 12291 states and 21417 transitions. [2024-10-11 02:54:59,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-11 02:54:59,732 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:59,733 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:59,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 02:54:59,733 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:59,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:59,734 INFO L85 PathProgramCache]: Analyzing trace with hash 508807232, now seen corresponding path program 1 times [2024-10-11 02:54:59,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:59,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157248470] [2024-10-11 02:54:59,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:59,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:54:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:54:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:54:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:54:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:54:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:54:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:59,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:59,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157248470] [2024-10-11 02:54:59,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157248470] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:59,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:59,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:59,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863997499] [2024-10-11 02:54:59,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:59,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:59,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:59,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:59,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:59,852 INFO L87 Difference]: Start difference. First operand 12291 states and 21417 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:55:01,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:01,759 INFO L93 Difference]: Finished difference Result 29590 states and 52155 transitions. [2024-10-11 02:55:01,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:55:01,759 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2024-10-11 02:55:01,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:01,844 INFO L225 Difference]: With dead ends: 29590 [2024-10-11 02:55:01,844 INFO L226 Difference]: Without dead ends: 19422 [2024-10-11 02:55:01,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:55:01,880 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1371 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1390 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 2160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 496 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:01,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1390 Valid, 888 Invalid, 2160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [496 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 02:55:01,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19422 states. [2024-10-11 02:55:02,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19422 to 19251. [2024-10-11 02:55:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19251 states, 15945 states have (on average 1.6534963938538727) internal successors, (26365), 15953 states have internal predecessors, (26365), 3278 states have call successors, (3278), 23 states have call predecessors, (3278), 27 states have return successors, (3617), 3276 states have call predecessors, (3617), 3277 states have call successors, (3617) [2024-10-11 02:55:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19251 states to 19251 states and 33260 transitions. [2024-10-11 02:55:02,957 INFO L78 Accepts]: Start accepts. Automaton has 19251 states and 33260 transitions. Word has length 117 [2024-10-11 02:55:02,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:02,958 INFO L471 AbstractCegarLoop]: Abstraction has 19251 states and 33260 transitions. [2024-10-11 02:55:02,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:55:02,959 INFO L276 IsEmpty]: Start isEmpty. Operand 19251 states and 33260 transitions. [2024-10-11 02:55:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-11 02:55:02,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:02,993 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:55:02,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 02:55:02,994 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:02,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:02,994 INFO L85 PathProgramCache]: Analyzing trace with hash 431525064, now seen corresponding path program 1 times [2024-10-11 02:55:02,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:02,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940836170] [2024-10-11 02:55:02,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:02,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:55:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:55:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:55:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:55:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:55:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:55:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:03,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:03,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940836170] [2024-10-11 02:55:03,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940836170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:03,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:03,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:55:03,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653762689] [2024-10-11 02:55:03,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:03,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:55:03,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:03,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:55:03,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:55:03,109 INFO L87 Difference]: Start difference. First operand 19251 states and 33260 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:55:05,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:05,380 INFO L93 Difference]: Finished difference Result 51031 states and 89688 transitions. [2024-10-11 02:55:05,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:55:05,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-10-11 02:55:05,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:05,551 INFO L225 Difference]: With dead ends: 51031 [2024-10-11 02:55:05,552 INFO L226 Difference]: Without dead ends: 34551 [2024-10-11 02:55:05,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:55:05,609 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1369 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1672 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1388 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:05,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1388 Valid, 909 Invalid, 2179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1672 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 02:55:05,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34551 states. [2024-10-11 02:55:07,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34551 to 34380. [2024-10-11 02:55:07,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34380 states, 28624 states have (on average 1.6507126886528787) internal successors, (47250), 28632 states have internal predecessors, (47250), 5728 states have call successors, (5728), 23 states have call predecessors, (5728), 27 states have return successors, (6341), 5726 states have call predecessors, (6341), 5727 states have call successors, (6341) [2024-10-11 02:55:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34380 states to 34380 states and 59319 transitions. [2024-10-11 02:55:07,309 INFO L78 Accepts]: Start accepts. Automaton has 34380 states and 59319 transitions. Word has length 118 [2024-10-11 02:55:07,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:07,310 INFO L471 AbstractCegarLoop]: Abstraction has 34380 states and 59319 transitions. [2024-10-11 02:55:07,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:55:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 34380 states and 59319 transitions. [2024-10-11 02:55:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-11 02:55:07,337 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:07,338 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:55:07,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 02:55:07,338 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:07,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:07,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1737696934, now seen corresponding path program 1 times [2024-10-11 02:55:07,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:07,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365241552] [2024-10-11 02:55:07,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:07,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:55:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:55:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:55:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:55:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:55:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:55:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:07,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:07,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365241552] [2024-10-11 02:55:07,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365241552] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:07,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:07,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:55:07,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850561211] [2024-10-11 02:55:07,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:07,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:55:07,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:07,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:55:07,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:55:07,463 INFO L87 Difference]: Start difference. First operand 34380 states and 59319 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:55:10,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:10,688 INFO L93 Difference]: Finished difference Result 93913 states and 164282 transitions. [2024-10-11 02:55:10,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:55:10,689 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-10-11 02:55:10,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:11,000 INFO L225 Difference]: With dead ends: 93913 [2024-10-11 02:55:11,001 INFO L226 Difference]: Without dead ends: 63227 [2024-10-11 02:55:11,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:55:11,096 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1366 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:11,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1385 Valid, 929 Invalid, 2191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:55:11,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63227 states. [2024-10-11 02:55:13,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63227 to 63056. [2024-10-11 02:55:13,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63056 states, 52787 states have (on average 1.6470343076893932) internal successors, (86942), 52795 states have internal predecessors, (86942), 10241 states have call successors, (10241), 23 states have call predecessors, (10241), 27 states have return successors, (11386), 10239 states have call predecessors, (11386), 10240 states have call successors, (11386) [2024-10-11 02:55:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63056 states to 63056 states and 108569 transitions. [2024-10-11 02:55:13,914 INFO L78 Accepts]: Start accepts. Automaton has 63056 states and 108569 transitions. Word has length 119 [2024-10-11 02:55:13,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:13,915 INFO L471 AbstractCegarLoop]: Abstraction has 63056 states and 108569 transitions. [2024-10-11 02:55:13,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:55:13,915 INFO L276 IsEmpty]: Start isEmpty. Operand 63056 states and 108569 transitions. [2024-10-11 02:55:13,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-11 02:55:13,940 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:13,940 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:55:13,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 02:55:13,940 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:13,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:13,941 INFO L85 PathProgramCache]: Analyzing trace with hash -192299672, now seen corresponding path program 1 times [2024-10-11 02:55:13,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:13,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465599820] [2024-10-11 02:55:13,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:13,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:13,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:55:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:55:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:55:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:55:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:55:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 02:55:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:14,046 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:14,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:14,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465599820] [2024-10-11 02:55:14,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465599820] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:14,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:14,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:55:14,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274033176] [2024-10-11 02:55:14,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:14,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:55:14,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:14,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:55:14,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:55:14,048 INFO L87 Difference]: Start difference. First operand 63056 states and 108569 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:55:18,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:18,105 INFO L93 Difference]: Finished difference Result 118293 states and 207434 transitions. [2024-10-11 02:55:18,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:55:18,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-10-11 02:55:18,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:18,624 INFO L225 Difference]: With dead ends: 118293 [2024-10-11 02:55:18,624 INFO L226 Difference]: Without dead ends: 118113 [2024-10-11 02:55:18,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:55:18,690 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1360 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 2188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:18,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 918 Invalid, 2188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1681 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 02:55:18,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118113 states. [2024-10-11 02:55:23,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118113 to 117942. [2024-10-11 02:55:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117942 states, 99305 states have (on average 1.6423342228487992) internal successors, (163092), 99313 states have internal predecessors, (163092), 18609 states have call successors, (18609), 23 states have call predecessors, (18609), 27 states have return successors, (20800), 18607 states have call predecessors, (20800), 18608 states have call successors, (20800) [2024-10-11 02:55:23,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117942 states to 117942 states and 202501 transitions. [2024-10-11 02:55:23,712 INFO L78 Accepts]: Start accepts. Automaton has 117942 states and 202501 transitions. Word has length 120 [2024-10-11 02:55:23,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:23,712 INFO L471 AbstractCegarLoop]: Abstraction has 117942 states and 202501 transitions. [2024-10-11 02:55:23,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 02:55:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 117942 states and 202501 transitions. [2024-10-11 02:55:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 02:55:23,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:23,743 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:55:23,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 02:55:23,744 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:23,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:23,745 INFO L85 PathProgramCache]: Analyzing trace with hash -61160551, now seen corresponding path program 1 times [2024-10-11 02:55:23,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:23,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164044332] [2024-10-11 02:55:23,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:23,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:55:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:55:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:55:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:55:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:55:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 02:55:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:24,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:24,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164044332] [2024-10-11 02:55:24,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164044332] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:24,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:24,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-11 02:55:24,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886258966] [2024-10-11 02:55:24,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:24,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 02:55:24,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:24,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 02:55:24,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-10-11 02:55:24,699 INFO L87 Difference]: Start difference. First operand 117942 states and 202501 transitions. Second operand has 16 states, 15 states have (on average 5.4) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12)