/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec0_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:30:56,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:30:56,462 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 05:30:56,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:30:56,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:30:56,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:30:56,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:30:56,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:30:56,517 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:30:56,520 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:30:56,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:30:56,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:30:56,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:30:56,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:30:56,522 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:30:56,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:30:56,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:30:56,522 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:30:56,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:30:56,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:30:56,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:30:56,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:30:56,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:30:56,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:30:56,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:30:56,524 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:30:56,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:30:56,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:30:56,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:30:56,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:30:56,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:30:56,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:30:56,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:30:56,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:30:56,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:30:56,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:30:56,526 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:30:56,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:30:56,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:30:56,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:30:56,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:30:56,527 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:30:56,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:30:56,527 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:30:56,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:30:56,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:30:56,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:30:56,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:30:56,799 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:30:56,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product40.cil.c [2023-12-16 05:30:58,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:30:58,571 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:30:58,571 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product40.cil.c [2023-12-16 05:30:58,588 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4370716fe/7bf3e88e420c42e1abd860c16e7b5475/FLAGffb3d8966 [2023-12-16 05:30:58,601 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4370716fe/7bf3e88e420c42e1abd860c16e7b5475 [2023-12-16 05:30:58,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:30:58,603 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:30:58,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:30:58,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:30:58,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:30:58,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:30:58" (1/1) ... [2023-12-16 05:30:58,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec5e52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:58, skipping insertion in model container [2023-12-16 05:30:58,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:30:58" (1/1) ... [2023-12-16 05:30:58,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:30:58,917 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product40.cil.c[7657,7670] [2023-12-16 05:30:59,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:30:59,153 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:30:59,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-12-16 05:30:59,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [392] [2023-12-16 05:30:59,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [401] [2023-12-16 05:30:59,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [683] [2023-12-16 05:30:59,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [718] [2023-12-16 05:30:59,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1780] [2023-12-16 05:30:59,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1800] [2023-12-16 05:30:59,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2022] [2023-12-16 05:30:59,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2039] [2023-12-16 05:30:59,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2103] [2023-12-16 05:30:59,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2510] [2023-12-16 05:30:59,186 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product40.cil.c[7657,7670] [2023-12-16 05:30:59,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:30:59,283 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:30:59,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59 WrapperNode [2023-12-16 05:30:59,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:30:59,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:30:59,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:30:59,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:30:59,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,442 INFO L138 Inliner]: procedures = 127, calls = 185, calls flagged for inlining = 52, calls inlined = 49, statements flattened = 890 [2023-12-16 05:30:59,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:30:59,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:30:59,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:30:59,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:30:59,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,454 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,498 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]. [2023-12-16 05:30:59,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:30:59,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:30:59,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:30:59,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:30:59,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (1/1) ... [2023-12-16 05:30:59,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:30:59,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:30:59,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 05:30:59,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 05:30:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-16 05:30:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-16 05:30:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-16 05:30:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-16 05:30:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-16 05:30:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-16 05:30:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-16 05:30:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-16 05:30:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-16 05:30:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-16 05:30:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-16 05:30:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-16 05:30:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-16 05:30:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-16 05:30:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-16 05:30:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-16 05:30:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-16 05:30:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-16 05:30:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-16 05:30:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-16 05:30:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-16 05:30:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-16 05:30:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:30:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-16 05:30:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-16 05:30:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-16 05:30:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-16 05:30:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-16 05:30:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-16 05:30:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-16 05:30:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-16 05:30:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-16 05:30:59,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-16 05:30:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-16 05:30:59,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-16 05:30:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-16 05:30:59,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-16 05:30:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:30:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 05:30:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 05:30:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 05:30:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-16 05:30:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-16 05:30:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-16 05:30:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-16 05:30:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:30:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:30:59,926 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:30:59,929 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:31:00,681 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:31:00,717 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:31:00,717 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 05:31:00,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:31:00 BoogieIcfgContainer [2023-12-16 05:31:00,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:31:00,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:31:00,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:31:00,721 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:31:00,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:30:58" (1/3) ... [2023-12-16 05:31:00,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43bf92fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:31:00, skipping insertion in model container [2023-12-16 05:31:00,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:30:59" (2/3) ... [2023-12-16 05:31:00,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43bf92fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:31:00, skipping insertion in model container [2023-12-16 05:31:00,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:31:00" (3/3) ... [2023-12-16 05:31:00,723 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product40.cil.c [2023-12-16 05:31:00,735 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:31:00,735 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:31:00,832 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:31:00,841 INFO L357 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, mHoare=true, 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;@4f92a7bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:31:00,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:31:00,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 311 states, 237 states have (on average 1.6244725738396624) internal successors, (385), 240 states have internal predecessors, (385), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-16 05:31:00,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-16 05:31:00,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:00,899 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:00,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:00,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:00,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1939816204, now seen corresponding path program 1 times [2023-12-16 05:31:00,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:00,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570490026] [2023-12-16 05:31:00,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:00,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:31:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:31:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:31:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-16 05:31:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-16 05:31:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:31:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:31:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:31:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:31:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:31:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-16 05:31:01,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:01,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570490026] [2023-12-16 05:31:01,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570490026] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:31:01,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659059725] [2023-12-16 05:31:01,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:01,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:31:01,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:31:01,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:31:01,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 05:31:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:02,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 05:31:02,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:31:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-16 05:31:02,299 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:31:02,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659059725] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:02,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:31:02,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-16 05:31:02,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796771103] [2023-12-16 05:31:02,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:02,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:31:02,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:02,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:31:02,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:31:02,352 INFO L87 Difference]: Start difference. First operand has 311 states, 237 states have (on average 1.6244725738396624) internal successors, (385), 240 states have internal predecessors, (385), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:02,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:02,441 INFO L93 Difference]: Finished difference Result 434 states and 670 transitions. [2023-12-16 05:31:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:31:02,443 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 97 [2023-12-16 05:31:02,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:02,453 INFO L225 Difference]: With dead ends: 434 [2023-12-16 05:31:02,453 INFO L226 Difference]: Without dead ends: 308 [2023-12-16 05:31:02,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:31:02,459 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:02,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 469 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:31:02,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-12-16 05:31:02,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2023-12-16 05:31:02,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 235 states have (on average 1.6085106382978724) internal successors, (378), 237 states have internal predecessors, (378), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2023-12-16 05:31:02,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 481 transitions. [2023-12-16 05:31:02,551 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 481 transitions. Word has length 97 [2023-12-16 05:31:02,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:02,553 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 481 transitions. [2023-12-16 05:31:02,553 INFO L496 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 481 transitions. [2023-12-16 05:31:02,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-16 05:31:02,557 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:02,558 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:02,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 05:31:02,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-16 05:31:02,765 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:02,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:02,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1119673316, now seen corresponding path program 1 times [2023-12-16 05:31:02,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:02,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921743164] [2023-12-16 05:31:02,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:02,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:31:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:31:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:31:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-16 05:31:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:31:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:31:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:31:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:31:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:31:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:31:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-16 05:31:03,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:03,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921743164] [2023-12-16 05:31:03,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921743164] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:31:03,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525530138] [2023-12-16 05:31:03,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:03,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:31:03,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:31:03,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:31:03,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 05:31:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:03,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 05:31:03,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:31:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-16 05:31:03,549 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:31:03,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525530138] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:03,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:31:03,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:31:03,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319181345] [2023-12-16 05:31:03,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:03,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:31:03,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:03,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:31:03,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:31:03,552 INFO L87 Difference]: Start difference. First operand 308 states and 481 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:03,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:03,600 INFO L93 Difference]: Finished difference Result 430 states and 654 transitions. [2023-12-16 05:31:03,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:31:03,601 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 98 [2023-12-16 05:31:03,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:03,606 INFO L225 Difference]: With dead ends: 430 [2023-12-16 05:31:03,606 INFO L226 Difference]: Without dead ends: 310 [2023-12-16 05:31:03,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:31:03,612 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 0 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:03,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 931 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:31:03,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2023-12-16 05:31:03,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2023-12-16 05:31:03,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 237 states have (on average 1.6033755274261603) internal successors, (380), 239 states have internal predecessors, (380), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2023-12-16 05:31:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 483 transitions. [2023-12-16 05:31:03,652 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 483 transitions. Word has length 98 [2023-12-16 05:31:03,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:03,653 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 483 transitions. [2023-12-16 05:31:03,653 INFO L496 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 483 transitions. [2023-12-16 05:31:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-16 05:31:03,654 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:03,655 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-12-16 05:31:03,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 05:31:03,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-16 05:31:03,855 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:03,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:03,856 INFO L85 PathProgramCache]: Analyzing trace with hash 647137385, now seen corresponding path program 1 times [2023-12-16 05:31:03,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:03,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111912639] [2023-12-16 05:31:03,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:03,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:31:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:31:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:31:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 05:31:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:31:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:31:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:31:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:31:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:31:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:31:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,212 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:31:04,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:04,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111912639] [2023-12-16 05:31:04,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111912639] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:31:04,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135031819] [2023-12-16 05:31:04,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:04,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:31:04,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:31:04,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:31:04,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 05:31:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:04,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:31:04,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:31:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-16 05:31:04,613 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:31:04,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135031819] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:04,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:31:04,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:31:04,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482638432] [2023-12-16 05:31:04,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:04,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:31:04,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:04,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:31:04,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:31:04,616 INFO L87 Difference]: Start difference. First operand 310 states and 483 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:04,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:04,690 INFO L93 Difference]: Finished difference Result 672 states and 1065 transitions. [2023-12-16 05:31:04,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:31:04,690 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 105 [2023-12-16 05:31:04,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:04,693 INFO L225 Difference]: With dead ends: 672 [2023-12-16 05:31:04,693 INFO L226 Difference]: Without dead ends: 384 [2023-12-16 05:31:04,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:31:04,706 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 136 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:04,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 903 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:31:04,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2023-12-16 05:31:04,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 379. [2023-12-16 05:31:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 292 states have (on average 1.6232876712328768) internal successors, (474), 294 states have internal predecessors, (474), 66 states have call successors, (66), 20 states have call predecessors, (66), 20 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-16 05:31:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 605 transitions. [2023-12-16 05:31:04,725 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 605 transitions. Word has length 105 [2023-12-16 05:31:04,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:04,726 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 605 transitions. [2023-12-16 05:31:04,726 INFO L496 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 605 transitions. [2023-12-16 05:31:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-16 05:31:04,732 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:04,732 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-12-16 05:31:04,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 05:31:04,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:31:04,941 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:04,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:04,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1893821545, now seen corresponding path program 1 times [2023-12-16 05:31:04,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:04,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011393813] [2023-12-16 05:31:04,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:04,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:31:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:31:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:31:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 05:31:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:31:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:31:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:31:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:31:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:31:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:31:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:31:05,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:05,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011393813] [2023-12-16 05:31:05,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011393813] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:31:05,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275335642] [2023-12-16 05:31:05,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:05,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:31:05,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:31:05,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:31:05,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 05:31:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 05:31:05,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:31:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-16 05:31:05,546 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:31:05,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275335642] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:05,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:31:05,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-16 05:31:05,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999500348] [2023-12-16 05:31:05,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:05,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:31:05,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:05,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:31:05,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:31:05,547 INFO L87 Difference]: Start difference. First operand 379 states and 605 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, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:31:05,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:05,618 INFO L93 Difference]: Finished difference Result 753 states and 1204 transitions. [2023-12-16 05:31:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:31:05,618 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, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 106 [2023-12-16 05:31:05,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:05,620 INFO L225 Difference]: With dead ends: 753 [2023-12-16 05:31:05,620 INFO L226 Difference]: Without dead ends: 381 [2023-12-16 05:31:05,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:31:05,622 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 8 mSDsluCounter, 1360 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1817 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:05,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1817 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:31:05,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2023-12-16 05:31:05,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2023-12-16 05:31:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 293 states have (on average 1.621160409556314) internal successors, (475), 296 states have internal predecessors, (475), 66 states have call successors, (66), 20 states have call predecessors, (66), 21 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2023-12-16 05:31:05,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 608 transitions. [2023-12-16 05:31:05,631 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 608 transitions. Word has length 106 [2023-12-16 05:31:05,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:05,631 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 608 transitions. [2023-12-16 05:31:05,631 INFO L496 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, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:31:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 608 transitions. [2023-12-16 05:31:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-16 05:31:05,633 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:05,633 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:05,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 05:31:05,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:31:05,841 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:05,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:05,842 INFO L85 PathProgramCache]: Analyzing trace with hash 460313661, now seen corresponding path program 1 times [2023-12-16 05:31:05,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:05,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957545656] [2023-12-16 05:31:05,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:05,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:05,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-16 05:31:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-16 05:31:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 05:31:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:31:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:31:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:31:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:31:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:31:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:31:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,033 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:31:06,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:06,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957545656] [2023-12-16 05:31:06,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957545656] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:31:06,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957615639] [2023-12-16 05:31:06,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:06,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:31:06,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:31:06,034 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:31:06,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 05:31:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 05:31:06,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:31:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-16 05:31:06,310 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:31:06,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957615639] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:06,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:31:06,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-16 05:31:06,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918851159] [2023-12-16 05:31:06,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:06,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:31:06,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:06,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:31:06,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:31:06,314 INFO L87 Difference]: Start difference. First operand 381 states and 608 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, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:31:06,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:06,395 INFO L93 Difference]: Finished difference Result 755 states and 1209 transitions. [2023-12-16 05:31:06,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:31:06,395 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, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 107 [2023-12-16 05:31:06,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:06,397 INFO L225 Difference]: With dead ends: 755 [2023-12-16 05:31:06,397 INFO L226 Difference]: Without dead ends: 383 [2023-12-16 05:31:06,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-16 05:31:06,399 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 8 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:06,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1803 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:31:06,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2023-12-16 05:31:06,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2023-12-16 05:31:06,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 294 states have (on average 1.619047619047619) internal successors, (476), 298 states have internal predecessors, (476), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2023-12-16 05:31:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 614 transitions. [2023-12-16 05:31:06,417 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 614 transitions. Word has length 107 [2023-12-16 05:31:06,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:06,417 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 614 transitions. [2023-12-16 05:31:06,417 INFO L496 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, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:31:06,417 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 614 transitions. [2023-12-16 05:31:06,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-16 05:31:06,419 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:06,419 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:06,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-16 05:31:06,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:31:06,626 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:06,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:06,627 INFO L85 PathProgramCache]: Analyzing trace with hash 540084531, now seen corresponding path program 1 times [2023-12-16 05:31:06,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:06,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72397986] [2023-12-16 05:31:06,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:06,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-16 05:31:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-16 05:31:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-16 05:31:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:31:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:31:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:31:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:31:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:31:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:06,831 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:31:06,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:06,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72397986] [2023-12-16 05:31:06,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72397986] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:06,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:06,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:31:06,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775956239] [2023-12-16 05:31:06,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:06,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:31:06,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:06,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:31:06,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:31:06,849 INFO L87 Difference]: Start difference. First operand 383 states and 614 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, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:31:08,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:08,706 INFO L93 Difference]: Finished difference Result 887 states and 1450 transitions. [2023-12-16 05:31:08,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:31:08,707 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, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 108 [2023-12-16 05:31:08,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:08,713 INFO L225 Difference]: With dead ends: 887 [2023-12-16 05:31:08,713 INFO L226 Difference]: Without dead ends: 523 [2023-12-16 05:31:08,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:31:08,716 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 960 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 2312 mSolverCounterSat, 370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 2682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 370 IncrementalHoareTripleChecker+Valid, 2312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:08,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [961 Valid, 1242 Invalid, 2682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [370 Valid, 2312 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-16 05:31:08,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2023-12-16 05:31:08,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 383. [2023-12-16 05:31:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 294 states have (on average 1.619047619047619) internal successors, (476), 298 states have internal predecessors, (476), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2023-12-16 05:31:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 613 transitions. [2023-12-16 05:31:08,742 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 613 transitions. Word has length 108 [2023-12-16 05:31:08,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:08,742 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 613 transitions. [2023-12-16 05:31:08,742 INFO L496 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, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:31:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 613 transitions. [2023-12-16 05:31:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-16 05:31:08,744 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:08,744 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:08,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 05:31:08,744 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:08,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:08,744 INFO L85 PathProgramCache]: Analyzing trace with hash -791945943, now seen corresponding path program 2 times [2023-12-16 05:31:08,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:08,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201011117] [2023-12-16 05:31:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:08,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-16 05:31:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-16 05:31:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-16 05:31:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:31:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:31:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:31:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:31:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:31:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:08,898 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:31:08,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:08,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201011117] [2023-12-16 05:31:08,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201011117] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:08,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:08,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:31:08,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651446510] [2023-12-16 05:31:08,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:08,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:31:08,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:08,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:31:08,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:31:08,900 INFO L87 Difference]: Start difference. First operand 383 states and 613 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, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:31:10,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:10,378 INFO L93 Difference]: Finished difference Result 889 states and 1453 transitions. [2023-12-16 05:31:10,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:31:10,379 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, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 109 [2023-12-16 05:31:10,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:10,382 INFO L225 Difference]: With dead ends: 889 [2023-12-16 05:31:10,382 INFO L226 Difference]: Without dead ends: 525 [2023-12-16 05:31:10,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:31:10,383 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 956 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 2319 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 2685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 2319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:10,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 1241 Invalid, 2685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 2319 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:31:10,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2023-12-16 05:31:10,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 385. [2023-12-16 05:31:10,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 295 states have (on average 1.616949152542373) internal successors, (477), 300 states have internal predecessors, (477), 66 states have call successors, (66), 20 states have call predecessors, (66), 23 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2023-12-16 05:31:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 616 transitions. [2023-12-16 05:31:10,401 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 616 transitions. Word has length 109 [2023-12-16 05:31:10,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:10,401 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 616 transitions. [2023-12-16 05:31:10,401 INFO L496 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, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:31:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 616 transitions. [2023-12-16 05:31:10,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-16 05:31:10,402 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:10,403 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:10,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 05:31:10,403 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:10,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:10,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1332600818, now seen corresponding path program 1 times [2023-12-16 05:31:10,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:10,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549791901] [2023-12-16 05:31:10,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:10,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:31:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-16 05:31:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:31:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:31:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:31:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:31:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:31:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:31:10,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:10,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549791901] [2023-12-16 05:31:10,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549791901] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:10,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:10,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:31:10,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239224341] [2023-12-16 05:31:10,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:10,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:31:10,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:10,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:31:10,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:31:10,552 INFO L87 Difference]: Start difference. First operand 385 states and 616 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, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-16 05:31:12,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:12,635 INFO L93 Difference]: Finished difference Result 887 states and 1448 transitions. [2023-12-16 05:31:12,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:31:12,635 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, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 110 [2023-12-16 05:31:12,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:12,638 INFO L225 Difference]: With dead ends: 887 [2023-12-16 05:31:12,638 INFO L226 Difference]: Without dead ends: 525 [2023-12-16 05:31:12,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-16 05:31:12,640 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 966 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 3830 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 4202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 3830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:12,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [967 Valid, 1718 Invalid, 4202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 3830 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 05:31:12,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2023-12-16 05:31:12,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 385. [2023-12-16 05:31:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 295 states have (on average 1.616949152542373) internal successors, (477), 300 states have internal predecessors, (477), 66 states have call successors, (66), 20 states have call predecessors, (66), 23 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2023-12-16 05:31:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 615 transitions. [2023-12-16 05:31:12,657 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 615 transitions. Word has length 110 [2023-12-16 05:31:12,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:12,657 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 615 transitions. [2023-12-16 05:31:12,657 INFO L496 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, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-16 05:31:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 615 transitions. [2023-12-16 05:31:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 05:31:12,659 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:12,659 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:12,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 05:31:12,659 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:12,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:12,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1009648196, now seen corresponding path program 2 times [2023-12-16 05:31:12,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:12,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025387621] [2023-12-16 05:31:12,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:12,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:31:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:31:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:31:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:31:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:31:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:31:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:31:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:12,953 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:31:12,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:12,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025387621] [2023-12-16 05:31:12,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025387621] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:12,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:12,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:31:12,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537588773] [2023-12-16 05:31:12,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:12,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:31:12,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:12,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:31:12,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:31:12,967 INFO L87 Difference]: Start difference. First operand 385 states and 615 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, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-16 05:31:15,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:15,495 INFO L93 Difference]: Finished difference Result 889 states and 1454 transitions. [2023-12-16 05:31:15,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:31:15,496 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, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 111 [2023-12-16 05:31:15,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:15,499 INFO L225 Difference]: With dead ends: 889 [2023-12-16 05:31:15,499 INFO L226 Difference]: Without dead ends: 527 [2023-12-16 05:31:15,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-16 05:31:15,501 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 961 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 3815 mSolverCounterSat, 373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 4188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 373 IncrementalHoareTripleChecker+Valid, 3815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:15,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 1718 Invalid, 4188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [373 Valid, 3815 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-16 05:31:15,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-12-16 05:31:15,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 387. [2023-12-16 05:31:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 296 states have (on average 1.614864864864865) internal successors, (478), 302 states have internal predecessors, (478), 66 states have call successors, (66), 20 states have call predecessors, (66), 24 states have return successors, (77), 64 states have call predecessors, (77), 65 states have call successors, (77) [2023-12-16 05:31:15,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 621 transitions. [2023-12-16 05:31:15,519 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 621 transitions. Word has length 111 [2023-12-16 05:31:15,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:15,519 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 621 transitions. [2023-12-16 05:31:15,519 INFO L496 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, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-16 05:31:15,519 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 621 transitions. [2023-12-16 05:31:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-16 05:31:15,521 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:15,521 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:15,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 05:31:15,521 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:15,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:15,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1543283159, now seen corresponding path program 1 times [2023-12-16 05:31:15,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:15,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275641252] [2023-12-16 05:31:15,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:15,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:31:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:31:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:31:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:31:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:31:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:31:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:31:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,719 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-16 05:31:15,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:15,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275641252] [2023-12-16 05:31:15,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275641252] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:31:15,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439516790] [2023-12-16 05:31:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:15,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:31:15,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:31:15,721 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:31:15,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 05:31:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:15,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:31:15,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:31:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:16,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:31:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:16,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439516790] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 05:31:16,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 05:31:16,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2023-12-16 05:31:16,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896038491] [2023-12-16 05:31:16,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 05:31:16,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-16 05:31:16,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:16,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-16 05:31:16,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:31:16,173 INFO L87 Difference]: Start difference. First operand 387 states and 621 transitions. Second operand has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-16 05:31:19,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:19,310 INFO L93 Difference]: Finished difference Result 1328 states and 2265 transitions. [2023-12-16 05:31:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-16 05:31:19,311 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 112 [2023-12-16 05:31:19,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:19,317 INFO L225 Difference]: With dead ends: 1328 [2023-12-16 05:31:19,317 INFO L226 Difference]: Without dead ends: 967 [2023-12-16 05:31:19,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2023-12-16 05:31:19,319 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 2179 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 4363 mSolverCounterSat, 724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2199 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 5087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 724 IncrementalHoareTripleChecker+Valid, 4363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:19,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2199 Valid, 2047 Invalid, 5087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [724 Valid, 4363 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-16 05:31:19,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2023-12-16 05:31:19,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 812. [2023-12-16 05:31:19,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 642 states have (on average 1.6604361370716512) internal successors, (1066), 648 states have internal predecessors, (1066), 145 states have call successors, (145), 20 states have call predecessors, (145), 24 states have return successors, (166), 143 states have call predecessors, (166), 144 states have call successors, (166) [2023-12-16 05:31:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1377 transitions. [2023-12-16 05:31:19,454 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1377 transitions. Word has length 112 [2023-12-16 05:31:19,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:19,460 INFO L495 AbstractCegarLoop]: Abstraction has 812 states and 1377 transitions. [2023-12-16 05:31:19,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-16 05:31:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1377 transitions. [2023-12-16 05:31:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-16 05:31:19,463 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:19,463 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:19,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-16 05:31:19,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:31:19,670 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:19,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:19,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1874019153, now seen corresponding path program 1 times [2023-12-16 05:31:19,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:19,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258134262] [2023-12-16 05:31:19,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:19,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:31:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:31:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:31:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:31:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:31:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:31:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:31:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:19,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:19,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258134262] [2023-12-16 05:31:19,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258134262] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:19,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:19,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:31:19,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509934454] [2023-12-16 05:31:19,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:19,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:31:19,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:19,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:31:19,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:31:19,791 INFO L87 Difference]: Start difference. First operand 812 states and 1377 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:21,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:21,152 INFO L93 Difference]: Finished difference Result 2103 states and 3654 transitions. [2023-12-16 05:31:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:31:21,152 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2023-12-16 05:31:21,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:21,158 INFO L225 Difference]: With dead ends: 2103 [2023-12-16 05:31:21,158 INFO L226 Difference]: Without dead ends: 1359 [2023-12-16 05:31:21,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:31:21,161 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 1082 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 1805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:21,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1100 Valid, 937 Invalid, 1805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 1369 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:31:21,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2023-12-16 05:31:21,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1214. [2023-12-16 05:31:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 965 states have (on average 1.6715025906735752) internal successors, (1613), 971 states have internal predecessors, (1613), 224 states have call successors, (224), 20 states have call predecessors, (224), 24 states have return successors, (255), 222 states have call predecessors, (255), 223 states have call successors, (255) [2023-12-16 05:31:21,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 2092 transitions. [2023-12-16 05:31:21,207 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 2092 transitions. Word has length 116 [2023-12-16 05:31:21,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:21,207 INFO L495 AbstractCegarLoop]: Abstraction has 1214 states and 2092 transitions. [2023-12-16 05:31:21,208 INFO L496 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:21,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 2092 transitions. [2023-12-16 05:31:21,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 05:31:21,217 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:21,217 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:21,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 05:31:21,218 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:21,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:21,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1427994548, now seen corresponding path program 1 times [2023-12-16 05:31:21,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:21,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195583407] [2023-12-16 05:31:21,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:21,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:31:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:31:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:31:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:31:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:31:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:31:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:31:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:21,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:21,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195583407] [2023-12-16 05:31:21,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195583407] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:21,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:21,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:31:21,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611897737] [2023-12-16 05:31:21,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:21,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:31:21,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:21,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:31:21,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:31:21,286 INFO L87 Difference]: Start difference. First operand 1214 states and 2092 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:22,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:22,659 INFO L93 Difference]: Finished difference Result 3106 states and 5431 transitions. [2023-12-16 05:31:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:31:22,659 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2023-12-16 05:31:22,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:22,685 INFO L225 Difference]: With dead ends: 3106 [2023-12-16 05:31:22,686 INFO L226 Difference]: Without dead ends: 2010 [2023-12-16 05:31:22,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:31:22,713 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1079 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:22,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 916 Invalid, 1806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:31:22,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2010 states. [2023-12-16 05:31:22,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2010 to 1865. [2023-12-16 05:31:22,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1865 states, 1497 states have (on average 1.6760187040748162) internal successors, (2509), 1503 states have internal predecessors, (2509), 343 states have call successors, (343), 20 states have call predecessors, (343), 24 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2023-12-16 05:31:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 3226 transitions. [2023-12-16 05:31:22,879 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 3226 transitions. Word has length 117 [2023-12-16 05:31:22,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:22,879 INFO L495 AbstractCegarLoop]: Abstraction has 1865 states and 3226 transitions. [2023-12-16 05:31:22,879 INFO L496 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:22,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3226 transitions. [2023-12-16 05:31:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-16 05:31:22,886 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:22,886 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:22,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 05:31:22,887 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:22,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:22,887 INFO L85 PathProgramCache]: Analyzing trace with hash -72395327, now seen corresponding path program 1 times [2023-12-16 05:31:22,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:22,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153595004] [2023-12-16 05:31:22,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:22,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:31:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:31:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:31:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:31:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:31:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:31:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:31:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:23,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:23,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153595004] [2023-12-16 05:31:23,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153595004] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:23,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:23,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:31:23,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440714209] [2023-12-16 05:31:23,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:23,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:31:23,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:23,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:31:23,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:31:23,221 INFO L87 Difference]: Start difference. First operand 1865 states and 3226 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:24,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:24,807 INFO L93 Difference]: Finished difference Result 4630 states and 8149 transitions. [2023-12-16 05:31:24,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:31:24,808 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2023-12-16 05:31:24,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:24,824 INFO L225 Difference]: With dead ends: 4630 [2023-12-16 05:31:24,824 INFO L226 Difference]: Without dead ends: 3011 [2023-12-16 05:31:24,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:31:24,828 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1077 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:24,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 909 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:31:24,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3011 states. [2023-12-16 05:31:24,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3011 to 2866. [2023-12-16 05:31:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2866 states, 2336 states have (on average 1.680222602739726) internal successors, (3925), 2342 states have internal predecessors, (3925), 505 states have call successors, (505), 20 states have call predecessors, (505), 24 states have return successors, (552), 503 states have call predecessors, (552), 504 states have call successors, (552) [2023-12-16 05:31:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2866 states and 4982 transitions. [2023-12-16 05:31:24,917 INFO L78 Accepts]: Start accepts. Automaton has 2866 states and 4982 transitions. Word has length 118 [2023-12-16 05:31:24,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:24,917 INFO L495 AbstractCegarLoop]: Abstraction has 2866 states and 4982 transitions. [2023-12-16 05:31:24,917 INFO L496 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:24,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2866 states and 4982 transitions. [2023-12-16 05:31:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-16 05:31:24,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:24,928 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:24,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 05:31:24,928 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:24,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:24,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1089591531, now seen corresponding path program 1 times [2023-12-16 05:31:24,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:24,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959504911] [2023-12-16 05:31:24,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:24,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:24,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:24,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:31:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:24,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:31:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:31:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:31:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:31:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:31:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:31:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:25,004 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:25,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:25,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959504911] [2023-12-16 05:31:25,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959504911] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:25,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:25,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:31:25,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829904250] [2023-12-16 05:31:25,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:25,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:31:25,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:25,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:31:25,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:31:25,006 INFO L87 Difference]: Start difference. First operand 2866 states and 4982 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:26,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:26,728 INFO L93 Difference]: Finished difference Result 7042 states and 12462 transitions. [2023-12-16 05:31:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:31:26,741 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2023-12-16 05:31:26,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:26,758 INFO L225 Difference]: With dead ends: 7042 [2023-12-16 05:31:26,758 INFO L226 Difference]: Without dead ends: 4631 [2023-12-16 05:31:26,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:31:26,763 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1076 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:26,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 908 Invalid, 1773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:31:26,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4631 states. [2023-12-16 05:31:26,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4631 to 4486. [2023-12-16 05:31:26,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4486 states, 3711 states have (on average 1.6833737537052007) internal successors, (6247), 3717 states have internal predecessors, (6247), 750 states have call successors, (750), 20 states have call predecessors, (750), 24 states have return successors, (823), 748 states have call predecessors, (823), 749 states have call successors, (823) [2023-12-16 05:31:26,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4486 states to 4486 states and 7820 transitions. [2023-12-16 05:31:26,907 INFO L78 Accepts]: Start accepts. Automaton has 4486 states and 7820 transitions. Word has length 119 [2023-12-16 05:31:26,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:26,907 INFO L495 AbstractCegarLoop]: Abstraction has 4486 states and 7820 transitions. [2023-12-16 05:31:26,907 INFO L496 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 4486 states and 7820 transitions. [2023-12-16 05:31:26,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-16 05:31:26,918 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:26,919 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:26,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 05:31:26,919 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:26,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:26,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1499279259, now seen corresponding path program 1 times [2023-12-16 05:31:26,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:26,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979594750] [2023-12-16 05:31:26,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:26,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:31:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:31:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:31:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:31:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:31:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:31:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:31:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:26,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:26,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979594750] [2023-12-16 05:31:26,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979594750] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:26,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:26,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:31:26,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199827127] [2023-12-16 05:31:26,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:26,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:31:26,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:26,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:31:26,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:31:26,989 INFO L87 Difference]: Start difference. First operand 4486 states and 7820 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:28,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:28,819 INFO L93 Difference]: Finished difference Result 11119 states and 19715 transitions. [2023-12-16 05:31:28,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:31:28,820 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2023-12-16 05:31:28,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:28,848 INFO L225 Difference]: With dead ends: 11119 [2023-12-16 05:31:28,849 INFO L226 Difference]: Without dead ends: 7391 [2023-12-16 05:31:28,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:31:28,859 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 1077 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:28,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 923 Invalid, 1796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 05:31:28,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7391 states. [2023-12-16 05:31:29,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7391 to 7246. [2023-12-16 05:31:29,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7246 states, 5978 states have (on average 1.6766477082636333) internal successors, (10023), 5984 states have internal predecessors, (10023), 1243 states have call successors, (1243), 20 states have call predecessors, (1243), 24 states have return successors, (1360), 1241 states have call predecessors, (1360), 1242 states have call successors, (1360) [2023-12-16 05:31:29,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7246 states to 7246 states and 12626 transitions. [2023-12-16 05:31:29,092 INFO L78 Accepts]: Start accepts. Automaton has 7246 states and 12626 transitions. Word has length 120 [2023-12-16 05:31:29,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:29,093 INFO L495 AbstractCegarLoop]: Abstraction has 7246 states and 12626 transitions. [2023-12-16 05:31:29,093 INFO L496 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 7246 states and 12626 transitions. [2023-12-16 05:31:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-16 05:31:29,112 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:29,112 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:29,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 05:31:29,112 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:29,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:29,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1791194695, now seen corresponding path program 1 times [2023-12-16 05:31:29,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:29,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957655637] [2023-12-16 05:31:29,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:29,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:31:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:31:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:31:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:31:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:31:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:31:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:31:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:29,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:29,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957655637] [2023-12-16 05:31:29,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957655637] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:29,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:29,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:31:29,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318568179] [2023-12-16 05:31:29,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:29,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:31:29,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:29,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:31:29,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:31:29,293 INFO L87 Difference]: Start difference. First operand 7246 states and 12626 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:30,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:30,928 INFO L93 Difference]: Finished difference Result 18478 states and 32735 transitions. [2023-12-16 05:31:30,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:31:30,929 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2023-12-16 05:31:30,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:31,051 INFO L225 Difference]: With dead ends: 18478 [2023-12-16 05:31:31,051 INFO L226 Difference]: Without dead ends: 12376 [2023-12-16 05:31:31,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:31:31,095 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 1073 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1091 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:31,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1091 Valid, 922 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:31:31,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12376 states. [2023-12-16 05:31:31,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12376 to 12231. [2023-12-16 05:31:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12231 states, 10141 states have (on average 1.6760674489695295) internal successors, (16997), 10147 states have internal predecessors, (16997), 2065 states have call successors, (2065), 20 states have call predecessors, (2065), 24 states have return successors, (2260), 2063 states have call predecessors, (2260), 2064 states have call successors, (2260) [2023-12-16 05:31:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12231 states to 12231 states and 21322 transitions. [2023-12-16 05:31:31,780 INFO L78 Accepts]: Start accepts. Automaton has 12231 states and 21322 transitions. Word has length 121 [2023-12-16 05:31:31,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:31,780 INFO L495 AbstractCegarLoop]: Abstraction has 12231 states and 21322 transitions. [2023-12-16 05:31:31,780 INFO L496 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 12231 states and 21322 transitions. [2023-12-16 05:31:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-16 05:31:31,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:31,843 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:31,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 05:31:31,843 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:31,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:31,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1168194327, now seen corresponding path program 1 times [2023-12-16 05:31:31,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:31,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031052215] [2023-12-16 05:31:31,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:31,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:31:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:31:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:31:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:31:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:31:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:31:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:31:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:31,959 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:31,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:31,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031052215] [2023-12-16 05:31:31,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031052215] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:31,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:31,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:31:31,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27538821] [2023-12-16 05:31:31,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:31,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:31:31,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:31,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:31:31,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:31:31,977 INFO L87 Difference]: Start difference. First operand 12231 states and 21322 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:33,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:33,782 INFO L93 Difference]: Finished difference Result 29444 states and 51918 transitions. [2023-12-16 05:31:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:31:33,782 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2023-12-16 05:31:33,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:33,988 INFO L225 Difference]: With dead ends: 29444 [2023-12-16 05:31:33,988 INFO L226 Difference]: Without dead ends: 19336 [2023-12-16 05:31:34,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:31:34,268 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 1069 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 1790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:34,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 890 Invalid, 1790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:31:34,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19336 states. [2023-12-16 05:31:35,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19336 to 19191. [2023-12-16 05:31:35,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19191 states, 15898 states have (on average 1.6536671279406214) internal successors, (26290), 15904 states have internal predecessors, (26290), 3268 states have call successors, (3268), 20 states have call predecessors, (3268), 24 states have return successors, (3607), 3266 states have call predecessors, (3607), 3267 states have call successors, (3607) [2023-12-16 05:31:35,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19191 states to 19191 states and 33165 transitions. [2023-12-16 05:31:35,276 INFO L78 Accepts]: Start accepts. Automaton has 19191 states and 33165 transitions. Word has length 122 [2023-12-16 05:31:35,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:35,277 INFO L495 AbstractCegarLoop]: Abstraction has 19191 states and 33165 transitions. [2023-12-16 05:31:35,277 INFO L496 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 19191 states and 33165 transitions. [2023-12-16 05:31:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-16 05:31:35,298 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:35,298 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:35,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 05:31:35,298 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:35,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:35,299 INFO L85 PathProgramCache]: Analyzing trace with hash 551061958, now seen corresponding path program 1 times [2023-12-16 05:31:35,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:35,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887390313] [2023-12-16 05:31:35,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:35,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:31:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:31:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:31:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:31:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:31:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:31:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:31:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:35,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:35,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887390313] [2023-12-16 05:31:35,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887390313] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:35,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:35,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:31:35,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073672204] [2023-12-16 05:31:35,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:35,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:31:35,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:35,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:31:35,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:31:35,406 INFO L87 Difference]: Start difference. First operand 19191 states and 33165 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:37,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:37,539 INFO L93 Difference]: Finished difference Result 50885 states and 89451 transitions. [2023-12-16 05:31:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:31:37,539 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2023-12-16 05:31:37,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:37,821 INFO L225 Difference]: With dead ends: 50885 [2023-12-16 05:31:37,822 INFO L226 Difference]: Without dead ends: 34465 [2023-12-16 05:31:37,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:31:37,862 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1067 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 1789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:37,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 910 Invalid, 1789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:31:37,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34465 states. [2023-12-16 05:31:39,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34465 to 34320. [2023-12-16 05:31:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34320 states, 28577 states have (on average 1.6508030933967877) internal successors, (47175), 28583 states have internal predecessors, (47175), 5718 states have call successors, (5718), 20 states have call predecessors, (5718), 24 states have return successors, (6331), 5716 states have call predecessors, (6331), 5717 states have call successors, (6331) [2023-12-16 05:31:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34320 states to 34320 states and 59224 transitions. [2023-12-16 05:31:39,868 INFO L78 Accepts]: Start accepts. Automaton has 34320 states and 59224 transitions. Word has length 123 [2023-12-16 05:31:39,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:39,868 INFO L495 AbstractCegarLoop]: Abstraction has 34320 states and 59224 transitions. [2023-12-16 05:31:39,868 INFO L496 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 34320 states and 59224 transitions. [2023-12-16 05:31:39,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-16 05:31:39,940 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:39,940 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:39,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 05:31:39,941 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:39,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:39,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1481076451, now seen corresponding path program 1 times [2023-12-16 05:31:39,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:39,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913995600] [2023-12-16 05:31:39,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:39,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:31:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:31:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:31:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:31:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:31:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:31:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:31:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:40,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:40,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913995600] [2023-12-16 05:31:40,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913995600] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:40,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:40,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:31:40,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750849876] [2023-12-16 05:31:40,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:40,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:31:40,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:40,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:31:40,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:31:40,552 INFO L87 Difference]: Start difference. First operand 34320 states and 59224 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:43,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:43,312 INFO L93 Difference]: Finished difference Result 93767 states and 164045 transitions. [2023-12-16 05:31:43,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:31:43,313 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 124 [2023-12-16 05:31:43,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:43,616 INFO L225 Difference]: With dead ends: 93767 [2023-12-16 05:31:43,616 INFO L226 Difference]: Without dead ends: 63141 [2023-12-16 05:31:43,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:31:43,670 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1068 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 1781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:43,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 912 Invalid, 1781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 05:31:43,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63141 states. [2023-12-16 05:31:46,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63141 to 62996. [2023-12-16 05:31:46,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62996 states, 52740 states have (on average 1.6470800151687524) internal successors, (86867), 52746 states have internal predecessors, (86867), 10231 states have call successors, (10231), 20 states have call predecessors, (10231), 24 states have return successors, (11376), 10229 states have call predecessors, (11376), 10230 states have call successors, (11376) [2023-12-16 05:31:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62996 states to 62996 states and 108474 transitions. [2023-12-16 05:31:46,257 INFO L78 Accepts]: Start accepts. Automaton has 62996 states and 108474 transitions. Word has length 124 [2023-12-16 05:31:46,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:46,258 INFO L495 AbstractCegarLoop]: Abstraction has 62996 states and 108474 transitions. [2023-12-16 05:31:46,258 INFO L496 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 62996 states and 108474 transitions. [2023-12-16 05:31:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-16 05:31:46,569 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:46,569 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:46,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 05:31:46,569 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:46,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:46,570 INFO L85 PathProgramCache]: Analyzing trace with hash -831139258, now seen corresponding path program 1 times [2023-12-16 05:31:46,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:46,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354905570] [2023-12-16 05:31:46,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:46,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:31:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:31:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:31:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:31:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:31:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:31:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-16 05:31:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:31:46,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:46,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354905570] [2023-12-16 05:31:46,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354905570] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:46,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:31:46,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:31:46,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025565604] [2023-12-16 05:31:46,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:46,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:31:46,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:46,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:31:46,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:31:46,658 INFO L87 Difference]: Start difference. First operand 62996 states and 108474 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:50,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:50,075 INFO L93 Difference]: Finished difference Result 118147 states and 207197 transitions. [2023-12-16 05:31:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:31:50,076 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 125 [2023-12-16 05:31:50,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:50,540 INFO L225 Difference]: With dead ends: 118147 [2023-12-16 05:31:50,541 INFO L226 Difference]: Without dead ends: 118027 [2023-12-16 05:31:50,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:31:50,593 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1066 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 1774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:31:50,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 908 Invalid, 1774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:31:50,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118027 states. [2023-12-16 05:31:53,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118027 to 117882. [2023-12-16 05:31:54,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117882 states, 99258 states have (on average 1.6423562836244938) internal successors, (163017), 99264 states have internal predecessors, (163017), 18599 states have call successors, (18599), 20 states have call predecessors, (18599), 24 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2023-12-16 05:31:55,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117882 states to 117882 states and 202406 transitions. [2023-12-16 05:31:55,479 INFO L78 Accepts]: Start accepts. Automaton has 117882 states and 202406 transitions. Word has length 125 [2023-12-16 05:31:55,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:31:55,479 INFO L495 AbstractCegarLoop]: Abstraction has 117882 states and 202406 transitions. [2023-12-16 05:31:55,480 INFO L496 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, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:31:55,480 INFO L276 IsEmpty]: Start isEmpty. Operand 117882 states and 202406 transitions. [2023-12-16 05:31:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-16 05:31:55,555 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:31:55,556 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:31:55,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 05:31:55,556 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:31:55,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:31:55,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2053621022, now seen corresponding path program 1 times [2023-12-16 05:31:55,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:31:55,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443069178] [2023-12-16 05:31:55,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:55,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:31:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:31:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:31:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:31:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:31:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:31:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:31:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:31:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:31:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:31:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:31:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:31:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:31:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:31:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:55,974 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:31:55,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:31:55,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443069178] [2023-12-16 05:31:55,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443069178] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:31:55,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799918777] [2023-12-16 05:31:55,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:31:55,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:31:55,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:31:55,984 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:31:55,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-16 05:31:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:31:56,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-16 05:31:56,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:31:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-16 05:31:56,647 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:31:56,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799918777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:31:56,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:31:56,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [18] total 27 [2023-12-16 05:31:56,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713415605] [2023-12-16 05:31:56,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:31:56,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 05:31:56,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:31:56,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 05:31:56,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=639, Unknown=0, NotChecked=0, Total=702 [2023-12-16 05:31:56,649 INFO L87 Difference]: Start difference. First operand 117882 states and 202406 transitions. Second operand has 11 states, 10 states have (on average 9.1) internal successors, (91), 9 states have internal predecessors, (91), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2023-12-16 05:31:59,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:31:59,426 INFO L93 Difference]: Finished difference Result 118140 states and 202780 transitions. [2023-12-16 05:31:59,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:31:59,427 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.1) internal successors, (91), 9 states have internal predecessors, (91), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 126 [2023-12-16 05:31:59,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:31:59,984 INFO L225 Difference]: With dead ends: 118140 [2023-12-16 05:31:59,985 INFO L226 Difference]: Without dead ends: 118025 [2023-12-16 05:32:00,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=1313, Unknown=0, NotChecked=0, Total=1482 [2023-12-16 05:32:00,077 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 636 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 4319 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:00,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 4319 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 05:32:00,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118025 states. [2023-12-16 05:32:03,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118025 to 118011. [2023-12-16 05:32:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118011 states, 99351 states have (on average 1.6421877988143048) internal successors, (163153), 99358 states have internal predecessors, (163153), 18621 states have call successors, (18621), 32 states have call predecessors, (18621), 38 states have return successors, (20824), 18620 states have call predecessors, (20824), 18619 states have call successors, (20824) [2023-12-16 05:32:04,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118011 states to 118011 states and 202598 transitions. [2023-12-16 05:32:04,440 INFO L78 Accepts]: Start accepts. Automaton has 118011 states and 202598 transitions. Word has length 126 [2023-12-16 05:32:04,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:32:04,440 INFO L495 AbstractCegarLoop]: Abstraction has 118011 states and 202598 transitions. [2023-12-16 05:32:04,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.1) internal successors, (91), 9 states have internal predecessors, (91), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2023-12-16 05:32:04,440 INFO L276 IsEmpty]: Start isEmpty. Operand 118011 states and 202598 transitions. [2023-12-16 05:32:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-16 05:32:04,473 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:32:04,473 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:32:04,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-16 05:32:04,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:32:04,681 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:32:04,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:32:04,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2075746426, now seen corresponding path program 1 times [2023-12-16 05:32:04,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:32:04,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515192547] [2023-12-16 05:32:04,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:32:04,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:32:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:32:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:32:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:32:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:32:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:32:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:32:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:32:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:32:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:32:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:32:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:32:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:32:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-16 05:32:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:32:05,587 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:32:05,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:32:05,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515192547] [2023-12-16 05:32:05,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515192547] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:32:05,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:32:05,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-16 05:32:05,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295342686] [2023-12-16 05:32:05,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:32:05,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-16 05:32:05,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:32:05,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-16 05:32:05,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:32:05,605 INFO L87 Difference]: Start difference. First operand 118011 states and 202598 transitions. Second operand has 15 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 9 states have internal predecessors, (82), 7 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Received shutdown request... [2023-12-16 05:32:09,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-16 05:32:09,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=346, Invalid=1634, Unknown=0, NotChecked=0, Total=1980 [2023-12-16 05:32:09,288 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1493 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 4717 mSolverCounterSat, 541 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 2231 SdHoareTripleChecker+Invalid, 5258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 541 IncrementalHoareTripleChecker+Valid, 4717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:32:09,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 2231 Invalid, 5258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [541 Valid, 4717 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-16 05:32:09,289 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:32:09,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-16 05:32:09,290 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (118011states) and FLOYD_HOARE automaton (currently 32 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (38363 states constructed, input type IntersectNwa). [2023-12-16 05:32:09,292 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:32:09,293 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:32:09,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:32:09 BoogieIcfgContainer [2023-12-16 05:32:09,295 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:32:09,305 INFO L158 Benchmark]: Toolchain (without parser) took 70691.64ms. Allocated memory was 390.1MB in the beginning and 7.8GB in the end (delta: 7.5GB). Free memory was 331.7MB in the beginning and 6.3GB in the end (delta: -5.9GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2023-12-16 05:32:09,305 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 255.9MB. Free memory is still 204.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:32:09,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 678.85ms. Allocated memory is still 390.1MB. Free memory was 331.7MB in the beginning and 290.8MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2023-12-16 05:32:09,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.38ms. Allocated memory is still 390.1MB. Free memory was 290.8MB in the beginning and 285.6MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 05:32:09,305 INFO L158 Benchmark]: Boogie Preprocessor took 103.40ms. Allocated memory is still 390.1MB. Free memory was 285.6MB in the beginning and 278.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 05:32:09,305 INFO L158 Benchmark]: RCFGBuilder took 1170.13ms. Allocated memory is still 390.1MB. Free memory was 278.8MB in the beginning and 210.1MB in the end (delta: 68.7MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. [2023-12-16 05:32:09,306 INFO L158 Benchmark]: TraceAbstraction took 68575.87ms. Allocated memory was 390.1MB in the beginning and 7.8GB in the end (delta: 7.5GB). Free memory was 209.6MB in the beginning and 6.3GB in the end (delta: -6.0GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2023-12-16 05:32:09,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 255.9MB. Free memory is still 204.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 678.85ms. Allocated memory is still 390.1MB. Free memory was 331.7MB in the beginning and 290.8MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 158.38ms. Allocated memory is still 390.1MB. Free memory was 290.8MB in the beginning and 285.6MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 103.40ms. Allocated memory is still 390.1MB. Free memory was 285.6MB in the beginning and 278.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1170.13ms. Allocated memory is still 390.1MB. Free memory was 278.8MB in the beginning and 210.1MB in the end (delta: 68.7MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. * TraceAbstraction took 68575.87ms. Allocated memory was 390.1MB in the beginning and 7.8GB in the end (delta: 7.5GB). Free memory was 209.6MB in the beginning and 6.3GB in the end (delta: -6.0GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] - GenericResultAtLocation [Line: 392]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [392] - GenericResultAtLocation [Line: 401]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [401] - GenericResultAtLocation [Line: 683]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [683] - GenericResultAtLocation [Line: 718]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [718] - GenericResultAtLocation [Line: 1780]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1780] - GenericResultAtLocation [Line: 1800]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1800] - GenericResultAtLocation [Line: 2022]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2022] - GenericResultAtLocation [Line: 2039]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2039] - GenericResultAtLocation [Line: 2103]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2103] - GenericResultAtLocation [Line: 2510]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2510] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 397]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 397). Cancelled while NwaCegarLoop was constructing difference of abstraction (118011states) and FLOYD_HOARE automaton (currently 32 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (38363 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 311 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68.5s, OverallIterations: 22, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.7s, AutomataDifference: 40.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19274 SdHoareTripleChecker+Valid, 24.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19037 mSDsluCounter, 29574 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23573 mSDsCounter, 7181 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35757 IncrementalHoareTripleChecker+Invalid, 42938 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7181 mSolverCounterUnsat, 6001 mSDtfsCounter, 35757 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1766 GetRequests, 1424 SyntacticMatches, 0 SemanticMatches, 342 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118011occurred in iteration=21, InterpolantAutomatonStates: 195, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 16.5s AutomataMinimizationTime, 21 MinimizatonAttempts, 2184 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 3272 NumberOfCodeBlocks, 3272 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3354 ConstructedInterpolants, 0 QuantifiedInterpolants, 6004 SizeOfPredicates, 24 NumberOfNonLiveVariables, 6841 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 30 InterpolantComputations, 21 PerfectInterpolantSequences, 989/1022 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available [2023-12-16 05:32:09,320 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown