/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec27_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 23:12:00,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 23:12:00,119 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 23:12:00,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 23:12:00,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 23:12:00,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 23:12:00,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 23:12:00,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 23:12:00,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 23:12:00,156 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 23:12:00,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 23:12:00,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 23:12:00,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 23:12:00,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 23:12:00,159 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 23:12:00,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 23:12:00,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 23:12:00,159 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 23:12:00,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 23:12:00,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 23:12:00,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 23:12:00,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 23:12:00,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 23:12:00,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 23:12:00,160 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 23:12:00,160 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 23:12:00,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 23:12:00,161 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 23:12:00,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 23:12:00,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 23:12:00,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 23:12:00,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 23:12:00,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:12:00,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 23:12:00,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 23:12:00,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 23:12:00,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 23:12:00,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 23:12:00,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 23:12:00,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 23:12:00,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 23:12:00,163 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 23:12:00,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 23:12:00,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 23:12:00,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 23:12:00,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 23:12:00,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 23:12:00,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 23:12:00,377 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 23:12:00,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product27.cil.c [2023-12-19 23:12:01,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 23:12:01,649 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 23:12:01,650 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product27.cil.c [2023-12-19 23:12:01,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e742caeaa/5dbd40552e57423c971a4623369eaba7/FLAGf6263fe5f [2023-12-19 23:12:01,679 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e742caeaa/5dbd40552e57423c971a4623369eaba7 [2023-12-19 23:12:01,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 23:12:01,682 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 23:12:01,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 23:12:01,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 23:12:01,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 23:12:01,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:12:01" (1/1) ... [2023-12-19 23:12:01,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50740def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:01, skipping insertion in model container [2023-12-19 23:12:01,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:12:01" (1/1) ... [2023-12-19 23:12:01,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 23:12:02,130 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_spec27_product27.cil.c[57688,57701] [2023-12-19 23:12:02,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:12:02,162 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 23:12:02,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2023-12-19 23:12:02,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [167] [2023-12-19 23:12:02,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [533] [2023-12-19 23:12:02,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [937] [2023-12-19 23:12:02,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1170] [2023-12-19 23:12:02,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2250] [2023-12-19 23:12:02,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2558] [2023-12-19 23:12:02,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2593] [2023-12-19 23:12:02,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2602] [2023-12-19 23:12:02,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2633] [2023-12-19 23:12:02,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2650] [2023-12-19 23:12:02,240 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_spec27_product27.cil.c[57688,57701] [2023-12-19 23:12:02,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:12:02,299 INFO L206 MainTranslator]: Completed translation [2023-12-19 23:12:02,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02 WrapperNode [2023-12-19 23:12:02,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 23:12:02,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 23:12:02,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 23:12:02,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 23:12:02,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,404 INFO L138 Inliner]: procedures = 133, calls = 209, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1061 [2023-12-19 23:12:02,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 23:12:02,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 23:12:02,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 23:12:02,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 23:12:02,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,442 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]. [2023-12-19 23:12:02,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 23:12:02,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 23:12:02,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 23:12:02,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 23:12:02,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (1/1) ... [2023-12-19 23:12:02,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:12:02,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:12:02,528 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) [2023-12-19 23:12:02,546 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 [2023-12-19 23:12:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-19 23:12:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-19 23:12:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-19 23:12:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-19 23:12:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-19 23:12:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-19 23:12:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-19 23:12:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-19 23:12:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-19 23:12:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-19 23:12:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-19 23:12:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-19 23:12:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-19 23:12:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-19 23:12:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-19 23:12:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-19 23:12:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-19 23:12:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-19 23:12:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-19 23:12:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-19 23:12:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-19 23:12:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-19 23:12:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-19 23:12:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-19 23:12:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 23:12:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-19 23:12:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-19 23:12:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-19 23:12:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-19 23:12:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-19 23:12:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-19 23:12:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-19 23:12:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-19 23:12:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-19 23:12:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-19 23:12:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-12-19 23:12:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-12-19 23:12:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-19 23:12:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-19 23:12:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-19 23:12:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-19 23:12:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-19 23:12:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-19 23:12:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-19 23:12:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-19 23:12:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 23:12:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 23:12:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-19 23:12:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-19 23:12:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-19 23:12:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-19 23:12:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-19 23:12:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-19 23:12:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 23:12:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 23:12:02,731 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 23:12:02,733 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 23:12:03,359 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 23:12:03,415 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 23:12:03,415 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 23:12:03,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:12:03 BoogieIcfgContainer [2023-12-19 23:12:03,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 23:12:03,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 23:12:03,418 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 23:12:03,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 23:12:03,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:12:01" (1/3) ... [2023-12-19 23:12:03,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adf03ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:12:03, skipping insertion in model container [2023-12-19 23:12:03,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:12:02" (2/3) ... [2023-12-19 23:12:03,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adf03ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:12:03, skipping insertion in model container [2023-12-19 23:12:03,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:12:03" (3/3) ... [2023-12-19 23:12:03,422 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product27.cil.c [2023-12-19 23:12:03,434 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 23:12:03,434 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 23:12:03,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 23:12:03,487 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;@791ddca1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 23:12:03,488 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 23:12:03,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 382 states, 294 states have (on average 1.6122448979591837) internal successors, (474), 297 states have internal predecessors, (474), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-19 23:12:03,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-19 23:12:03,510 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:03,511 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:03,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:03,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:03,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2007972842, now seen corresponding path program 1 times [2023-12-19 23:12:03,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:03,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899747606] [2023-12-19 23:12:03,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:03,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:12:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:12:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:12:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-19 23:12:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 23:12:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 23:12:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:12:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:12:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:12:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-19 23:12:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:12:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:12:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-19 23:12:04,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:04,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899747606] [2023-12-19 23:12:04,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899747606] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:12:04,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646521278] [2023-12-19 23:12:04,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:04,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:12:04,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:12:04,214 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) [2023-12-19 23:12:04,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 23:12:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:04,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 23:12:04,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:12:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-19 23:12:04,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:12:04,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646521278] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:04,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:12:04,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-19 23:12:04,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089383435] [2023-12-19 23:12:04,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:04,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 23:12:04,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:04,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 23:12:04,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:12:04,583 INFO L87 Difference]: Start difference. First operand has 382 states, 294 states have (on average 1.6122448979591837) internal successors, (474), 297 states have internal predecessors, (474), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:04,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:04,670 INFO L93 Difference]: Finished difference Result 576 states and 888 transitions. [2023-12-19 23:12:04,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 23:12:04,672 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 110 [2023-12-19 23:12:04,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:04,681 INFO L225 Difference]: With dead ends: 576 [2023-12-19 23:12:04,681 INFO L226 Difference]: Without dead ends: 379 [2023-12-19 23:12:04,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:12:04,688 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:04,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:12:04,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-12-19 23:12:04,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2023-12-19 23:12:04,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 292 states have (on average 1.5993150684931507) internal successors, (467), 294 states have internal predecessors, (467), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-19 23:12:04,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 590 transitions. [2023-12-19 23:12:04,736 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 590 transitions. Word has length 110 [2023-12-19 23:12:04,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:04,737 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 590 transitions. [2023-12-19 23:12:04,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:04,738 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 590 transitions. [2023-12-19 23:12:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-19 23:12:04,751 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:04,751 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:04,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 23:12:04,960 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 [2023-12-19 23:12:04,961 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:04,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:04,961 INFO L85 PathProgramCache]: Analyzing trace with hash 263642655, now seen corresponding path program 1 times [2023-12-19 23:12:04,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:04,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202283846] [2023-12-19 23:12:04,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:04,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:12:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:12:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:12:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-19 23:12:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-19 23:12:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-19 23:12:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:12:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-19 23:12:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 23:12:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:12:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 23:12:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:12:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-19 23:12:05,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:05,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202283846] [2023-12-19 23:12:05,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202283846] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:12:05,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040902284] [2023-12-19 23:12:05,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:05,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:12:05,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:12:05,209 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) [2023-12-19 23:12:05,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 23:12:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 23:12:05,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:12:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-19 23:12:05,485 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:12:05,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040902284] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:05,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:12:05,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-19 23:12:05,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186797286] [2023-12-19 23:12:05,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:05,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:12:05,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:05,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:12:05,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:12:05,489 INFO L87 Difference]: Start difference. First operand 379 states and 590 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:05,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:05,554 INFO L93 Difference]: Finished difference Result 572 states and 872 transitions. [2023-12-19 23:12:05,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:12:05,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 111 [2023-12-19 23:12:05,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:05,562 INFO L225 Difference]: With dead ends: 572 [2023-12-19 23:12:05,563 INFO L226 Difference]: Without dead ends: 381 [2023-12-19 23:12:05,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:12:05,569 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 0 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:05,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1143 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:12:05,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2023-12-19 23:12:05,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2023-12-19 23:12:05,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 294 states have (on average 1.5952380952380953) internal successors, (469), 296 states have internal predecessors, (469), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-19 23:12:05,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 592 transitions. [2023-12-19 23:12:05,595 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 592 transitions. Word has length 111 [2023-12-19 23:12:05,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:05,595 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 592 transitions. [2023-12-19 23:12:05,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:05,596 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 592 transitions. [2023-12-19 23:12:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-19 23:12:05,597 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:05,597 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:05,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-19 23:12:05,804 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 [2023-12-19 23:12:05,805 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:05,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:05,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1411698403, now seen corresponding path program 1 times [2023-12-19 23:12:05,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:05,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180852244] [2023-12-19 23:12:05,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:05,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:12:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:12:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:12:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 23:12:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:12:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:05,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-19 23:12:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-19 23:12:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:12:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:12:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 23:12:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:12:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:12:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-19 23:12:06,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:06,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180852244] [2023-12-19 23:12:06,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180852244] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:12:06,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000139286] [2023-12-19 23:12:06,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:06,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:12:06,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:12:06,012 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) [2023-12-19 23:12:06,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 23:12:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 23:12:06,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:12:06,276 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-19 23:12:06,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:12:06,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000139286] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:06,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:12:06,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-19 23:12:06,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494168319] [2023-12-19 23:12:06,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:06,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:12:06,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:06,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:12:06,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:12:06,278 INFO L87 Difference]: Start difference. First operand 381 states and 592 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:06,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:06,333 INFO L93 Difference]: Finished difference Result 814 states and 1283 transitions. [2023-12-19 23:12:06,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:12:06,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 118 [2023-12-19 23:12:06,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:06,337 INFO L225 Difference]: With dead ends: 814 [2023-12-19 23:12:06,337 INFO L226 Difference]: Without dead ends: 455 [2023-12-19 23:12:06,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:12:06,340 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 136 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:06,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1119 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:12:06,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2023-12-19 23:12:06,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 450. [2023-12-19 23:12:06,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 349 states have (on average 1.6131805157593124) internal successors, (563), 351 states have internal predecessors, (563), 76 states have call successors, (76), 24 states have call predecessors, (76), 24 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-19 23:12:06,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 714 transitions. [2023-12-19 23:12:06,363 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 714 transitions. Word has length 118 [2023-12-19 23:12:06,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:06,363 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 714 transitions. [2023-12-19 23:12:06,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:06,363 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 714 transitions. [2023-12-19 23:12:06,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 23:12:06,372 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:06,372 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:06,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 23:12:06,579 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 [2023-12-19 23:12:06,580 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:06,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:06,580 INFO L85 PathProgramCache]: Analyzing trace with hash 336476679, now seen corresponding path program 1 times [2023-12-19 23:12:06,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:06,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308012702] [2023-12-19 23:12:06,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:06,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:12:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:12:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:12:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 23:12:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 23:12:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 23:12:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-19 23:12:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-19 23:12:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-19 23:12:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 23:12:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:12:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:12:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:12:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-19 23:12:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:12:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:06,800 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-19 23:12:06,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:06,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308012702] [2023-12-19 23:12:06,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308012702] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:12:06,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856269878] [2023-12-19 23:12:06,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:06,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:12:06,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:12:06,802 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) [2023-12-19 23:12:06,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 23:12:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-19 23:12:07,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:12:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-19 23:12:07,099 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:12:07,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856269878] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:07,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:12:07,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-19 23:12:07,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020699003] [2023-12-19 23:12:07,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:07,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:12:07,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:07,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:12:07,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:12:07,101 INFO L87 Difference]: Start difference. First operand 450 states and 714 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:12:07,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:07,196 INFO L93 Difference]: Finished difference Result 895 states and 1422 transitions. [2023-12-19 23:12:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 23:12:07,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 137 [2023-12-19 23:12:07,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:07,211 INFO L225 Difference]: With dead ends: 895 [2023-12-19 23:12:07,211 INFO L226 Difference]: Without dead ends: 452 [2023-12-19 23:12:07,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:12:07,213 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 8 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2241 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 [2023-12-19 23:12:07,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2241 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:12:07,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2023-12-19 23:12:07,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2023-12-19 23:12:07,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 350 states have (on average 1.6114285714285714) internal successors, (564), 353 states have internal predecessors, (564), 76 states have call successors, (76), 24 states have call predecessors, (76), 25 states have return successors, (77), 74 states have call predecessors, (77), 75 states have call successors, (77) [2023-12-19 23:12:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 717 transitions. [2023-12-19 23:12:07,228 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 717 transitions. Word has length 137 [2023-12-19 23:12:07,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:07,228 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 717 transitions. [2023-12-19 23:12:07,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:12:07,228 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 717 transitions. [2023-12-19 23:12:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-19 23:12:07,230 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:07,230 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:07,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 23:12:07,438 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 [2023-12-19 23:12:07,438 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:07,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:07,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1315076628, now seen corresponding path program 1 times [2023-12-19 23:12:07,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:07,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534881092] [2023-12-19 23:12:07,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:07,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-19 23:12:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-19 23:12:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-19 23:12:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 23:12:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 23:12:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:12:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:12:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:12:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 23:12:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 23:12:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:12:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-19 23:12:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:12:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:12:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-19 23:12:07,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:07,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534881092] [2023-12-19 23:12:07,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534881092] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:12:07,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033384440] [2023-12-19 23:12:07,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:07,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:12:07,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:12:07,643 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) [2023-12-19 23:12:07,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 23:12:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:07,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 23:12:07,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:12:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-19 23:12:07,924 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:12:07,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033384440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:07,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:12:07,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-19 23:12:07,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816035028] [2023-12-19 23:12:07,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:07,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:12:07,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:07,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:12:07,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-19 23:12:07,926 INFO L87 Difference]: Start difference. First operand 452 states and 717 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:12:08,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:08,012 INFO L93 Difference]: Finished difference Result 897 states and 1427 transitions. [2023-12-19 23:12:08,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 23:12:08,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 138 [2023-12-19 23:12:08,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:08,014 INFO L225 Difference]: With dead ends: 897 [2023-12-19 23:12:08,015 INFO L226 Difference]: Without dead ends: 454 [2023-12-19 23:12:08,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-19 23:12:08,017 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 8 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2227 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:08,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2227 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:12:08,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-12-19 23:12:08,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2023-12-19 23:12:08,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 351 states have (on average 1.6096866096866096) internal successors, (565), 355 states have internal predecessors, (565), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2023-12-19 23:12:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 723 transitions. [2023-12-19 23:12:08,031 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 723 transitions. Word has length 138 [2023-12-19 23:12:08,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:08,031 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 723 transitions. [2023-12-19 23:12:08,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:12:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 723 transitions. [2023-12-19 23:12:08,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-19 23:12:08,033 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:08,033 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:08,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 23:12:08,244 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 [2023-12-19 23:12:08,244 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:08,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:08,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1799761146, now seen corresponding path program 1 times [2023-12-19 23:12:08,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:08,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431313490] [2023-12-19 23:12:08,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:08,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-19 23:12:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 23:12:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-19 23:12:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:12:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-19 23:12:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 23:12:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:12:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-19 23:12:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-19 23:12:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-19 23:12:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:12:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-19 23:12:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-19 23:12:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:08,385 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-19 23:12:08,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:08,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431313490] [2023-12-19 23:12:08,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431313490] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:08,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:08,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 23:12:08,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143018629] [2023-12-19 23:12:08,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:08,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 23:12:08,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:08,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 23:12:08,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:12:08,387 INFO L87 Difference]: Start difference. First operand 454 states and 723 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:12:10,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:10,239 INFO L93 Difference]: Finished difference Result 1061 states and 1723 transitions. [2023-12-19 23:12:10,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 23:12:10,240 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 139 [2023-12-19 23:12:10,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:10,244 INFO L225 Difference]: With dead ends: 1061 [2023-12-19 23:12:10,244 INFO L226 Difference]: Without dead ends: 626 [2023-12-19 23:12:10,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-19 23:12:10,246 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1315 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3048 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1316 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 3487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 3048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:10,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1316 Valid, 1242 Invalid, 3487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 3048 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 23:12:10,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2023-12-19 23:12:10,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 454. [2023-12-19 23:12:10,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 351 states have (on average 1.6096866096866096) internal successors, (565), 355 states have internal predecessors, (565), 76 states have call successors, (76), 24 states have call predecessors, (76), 26 states have return successors, (81), 74 states have call predecessors, (81), 75 states have call successors, (81) [2023-12-19 23:12:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 722 transitions. [2023-12-19 23:12:10,293 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 722 transitions. Word has length 139 [2023-12-19 23:12:10,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:10,293 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 722 transitions. [2023-12-19 23:12:10,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:12:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 722 transitions. [2023-12-19 23:12:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-19 23:12:10,295 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:10,295 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:10,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 23:12:10,296 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:10,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:10,296 INFO L85 PathProgramCache]: Analyzing trace with hash 806471357, now seen corresponding path program 2 times [2023-12-19 23:12:10,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:10,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156429482] [2023-12-19 23:12:10,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 23:12:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-19 23:12:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 23:12:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:12:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-19 23:12:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:12:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 23:12:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-19 23:12:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 23:12:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 23:12:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-19 23:12:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-19 23:12:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-19 23:12:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-19 23:12:10,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:10,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156429482] [2023-12-19 23:12:10,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156429482] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:10,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:10,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 23:12:10,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358528656] [2023-12-19 23:12:10,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:10,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 23:12:10,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:10,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 23:12:10,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:12:10,459 INFO L87 Difference]: Start difference. First operand 454 states and 722 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:12:12,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:12,293 INFO L93 Difference]: Finished difference Result 1063 states and 1726 transitions. [2023-12-19 23:12:12,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 23:12:12,293 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 140 [2023-12-19 23:12:12,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:12,297 INFO L225 Difference]: With dead ends: 1063 [2023-12-19 23:12:12,297 INFO L226 Difference]: Without dead ends: 628 [2023-12-19 23:12:12,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-19 23:12:12,299 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1313 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3012 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 3455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 3012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:12,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 1241 Invalid, 3455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 3012 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 23:12:12,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2023-12-19 23:12:12,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 456. [2023-12-19 23:12:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 352 states have (on average 1.6079545454545454) internal successors, (566), 357 states have internal predecessors, (566), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2023-12-19 23:12:12,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 725 transitions. [2023-12-19 23:12:12,325 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 725 transitions. Word has length 140 [2023-12-19 23:12:12,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:12,325 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 725 transitions. [2023-12-19 23:12:12,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 23:12:12,325 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 725 transitions. [2023-12-19 23:12:12,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-19 23:12:12,328 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:12,328 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:12,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 23:12:12,328 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:12,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:12,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1777764831, now seen corresponding path program 1 times [2023-12-19 23:12:12,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:12,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434630096] [2023-12-19 23:12:12,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:12,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:12:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-19 23:12:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-19 23:12:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 23:12:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-19 23:12:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 23:12:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:12:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-19 23:12:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-19 23:12:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 23:12:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:12:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-19 23:12:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-19 23:12:12,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:12,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434630096] [2023-12-19 23:12:12,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434630096] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:12,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:12,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-19 23:12:12,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972656205] [2023-12-19 23:12:12,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:12,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 23:12:12,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:12,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 23:12:12,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:12:12,523 INFO L87 Difference]: Start difference. First operand 456 states and 725 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-19 23:12:15,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:15,142 INFO L93 Difference]: Finished difference Result 1061 states and 1721 transitions. [2023-12-19 23:12:15,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 23:12:15,143 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 141 [2023-12-19 23:12:15,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:15,147 INFO L225 Difference]: With dead ends: 1061 [2023-12-19 23:12:15,147 INFO L226 Difference]: Without dead ends: 628 [2023-12-19 23:12:15,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-19 23:12:15,149 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1321 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 4995 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 5445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 4995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:15,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 1719 Invalid, 5445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 4995 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-19 23:12:15,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2023-12-19 23:12:15,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 456. [2023-12-19 23:12:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 352 states have (on average 1.6079545454545454) internal successors, (566), 357 states have internal predecessors, (566), 76 states have call successors, (76), 24 states have call predecessors, (76), 27 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2023-12-19 23:12:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 724 transitions. [2023-12-19 23:12:15,196 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 724 transitions. Word has length 141 [2023-12-19 23:12:15,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:15,196 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 724 transitions. [2023-12-19 23:12:15,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-19 23:12:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 724 transitions. [2023-12-19 23:12:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 23:12:15,198 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:15,198 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:15,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 23:12:15,199 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:15,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:15,199 INFO L85 PathProgramCache]: Analyzing trace with hash -155603449, now seen corresponding path program 2 times [2023-12-19 23:12:15,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:15,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874214963] [2023-12-19 23:12:15,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:15,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 23:12:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-19 23:12:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:12:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 23:12:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 23:12:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:12:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:12:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:12:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:12:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 23:12:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:12:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-19 23:12:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:15,368 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-19 23:12:15,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:15,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874214963] [2023-12-19 23:12:15,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874214963] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:15,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:15,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-19 23:12:15,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746400055] [2023-12-19 23:12:15,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:15,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 23:12:15,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:15,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 23:12:15,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:12:15,370 INFO L87 Difference]: Start difference. First operand 456 states and 724 transitions. Second operand has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-19 23:12:17,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:17,873 INFO L93 Difference]: Finished difference Result 1063 states and 1727 transitions. [2023-12-19 23:12:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 23:12:17,874 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 142 [2023-12-19 23:12:17,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:17,877 INFO L225 Difference]: With dead ends: 1063 [2023-12-19 23:12:17,877 INFO L226 Difference]: Without dead ends: 630 [2023-12-19 23:12:17,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-19 23:12:17,878 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1318 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5048 mSolverCounterSat, 447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 5495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 447 IncrementalHoareTripleChecker+Valid, 5048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:17,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 1717 Invalid, 5495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [447 Valid, 5048 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-19 23:12:17,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2023-12-19 23:12:17,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 458. [2023-12-19 23:12:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 353 states have (on average 1.6062322946175638) internal successors, (567), 359 states have internal predecessors, (567), 76 states have call successors, (76), 24 states have call predecessors, (76), 28 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2023-12-19 23:12:17,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 730 transitions. [2023-12-19 23:12:17,899 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 730 transitions. Word has length 142 [2023-12-19 23:12:17,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:17,899 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 730 transitions. [2023-12-19 23:12:17,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-19 23:12:17,899 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 730 transitions. [2023-12-19 23:12:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-19 23:12:17,901 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:17,901 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:17,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 23:12:17,901 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:17,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:17,902 INFO L85 PathProgramCache]: Analyzing trace with hash 256005849, now seen corresponding path program 1 times [2023-12-19 23:12:17,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:17,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600492834] [2023-12-19 23:12:17,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:17,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 23:12:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 23:12:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 23:12:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-19 23:12:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 23:12:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 23:12:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:12:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:12:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-19 23:12:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-19 23:12:18,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:18,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600492834] [2023-12-19 23:12:18,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600492834] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:12:18,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860262492] [2023-12-19 23:12:18,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:18,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:12:18,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:12:18,095 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) [2023-12-19 23:12:18,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 23:12:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:18,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 23:12:18,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:12:18,344 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-19 23:12:18,344 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 23:12:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-19 23:12:18,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860262492] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 23:12:18,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 23:12:18,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2023-12-19 23:12:18,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922956685] [2023-12-19 23:12:18,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 23:12:18,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-19 23:12:18,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:18,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-19 23:12:18,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-19 23:12:18,412 INFO L87 Difference]: Start difference. First operand 458 states and 730 transitions. Second operand has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-19 23:12:21,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:21,472 INFO L93 Difference]: Finished difference Result 1502 states and 2538 transitions. [2023-12-19 23:12:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-19 23:12:21,476 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 125 [2023-12-19 23:12:21,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:21,482 INFO L225 Difference]: With dead ends: 1502 [2023-12-19 23:12:21,482 INFO L226 Difference]: Without dead ends: 1070 [2023-12-19 23:12:21,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2023-12-19 23:12:21,485 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 2496 mSDsluCounter, 1871 mSDsCounter, 0 mSdLazyCounter, 6055 mSolverCounterSat, 843 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 2049 SdHoareTripleChecker+Invalid, 6898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 843 IncrementalHoareTripleChecker+Valid, 6055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:21,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 2049 Invalid, 6898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [843 Valid, 6055 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-19 23:12:21,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2023-12-19 23:12:21,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 883. [2023-12-19 23:12:21,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 699 states have (on average 1.6523605150214593) internal successors, (1155), 705 states have internal predecessors, (1155), 155 states have call successors, (155), 24 states have call predecessors, (155), 28 states have return successors, (176), 153 states have call predecessors, (176), 154 states have call successors, (176) [2023-12-19 23:12:21,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1486 transitions. [2023-12-19 23:12:21,524 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1486 transitions. Word has length 125 [2023-12-19 23:12:21,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:21,525 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1486 transitions. [2023-12-19 23:12:21,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-19 23:12:21,526 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1486 transitions. [2023-12-19 23:12:21,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-19 23:12:21,529 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:21,529 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:21,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 23:12:21,738 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 [2023-12-19 23:12:21,738 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:21,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:21,739 INFO L85 PathProgramCache]: Analyzing trace with hash 560146667, now seen corresponding path program 1 times [2023-12-19 23:12:21,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:21,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664811388] [2023-12-19 23:12:21,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:21,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-19 23:12:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-19 23:12:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-19 23:12:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:12:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:12:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:12:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-19 23:12:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:12:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 23:12:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-19 23:12:21,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:21,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664811388] [2023-12-19 23:12:21,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664811388] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:21,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:21,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:12:21,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353293681] [2023-12-19 23:12:21,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:21,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:12:21,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:21,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:12:21,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:12:21,834 INFO L87 Difference]: Start difference. First operand 883 states and 1486 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:23,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:23,258 INFO L93 Difference]: Finished difference Result 2277 states and 3927 transitions. [2023-12-19 23:12:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:12:23,259 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2023-12-19 23:12:23,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:23,266 INFO L225 Difference]: With dead ends: 2277 [2023-12-19 23:12:23,266 INFO L226 Difference]: Without dead ends: 1462 [2023-12-19 23:12:23,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:12:23,269 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 1439 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1457 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:23,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1457 Valid, 949 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:12:23,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2023-12-19 23:12:23,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1285. [2023-12-19 23:12:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1022 states have (on average 1.6653620352250489) internal successors, (1702), 1028 states have internal predecessors, (1702), 234 states have call successors, (234), 24 states have call predecessors, (234), 28 states have return successors, (265), 232 states have call predecessors, (265), 233 states have call successors, (265) [2023-12-19 23:12:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 2201 transitions. [2023-12-19 23:12:23,316 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 2201 transitions. Word has length 129 [2023-12-19 23:12:23,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:23,316 INFO L495 AbstractCegarLoop]: Abstraction has 1285 states and 2201 transitions. [2023-12-19 23:12:23,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 2201 transitions. [2023-12-19 23:12:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-19 23:12:23,322 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:23,322 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:23,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 23:12:23,322 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:23,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:23,323 INFO L85 PathProgramCache]: Analyzing trace with hash 338111008, now seen corresponding path program 1 times [2023-12-19 23:12:23,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:23,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693949669] [2023-12-19 23:12:23,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:23,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 23:12:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-19 23:12:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 23:12:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 23:12:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 23:12:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-19 23:12:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:12:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:12:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 23:12:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:12:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-19 23:12:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-19 23:12:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:12:23,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:23,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693949669] [2023-12-19 23:12:23,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693949669] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:23,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:23,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:12:23,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064466334] [2023-12-19 23:12:23,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:23,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:12:23,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:23,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:12:23,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:12:23,446 INFO L87 Difference]: Start difference. First operand 1285 states and 2201 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:24,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:24,886 INFO L93 Difference]: Finished difference Result 3280 states and 5704 transitions. [2023-12-19 23:12:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:12:24,886 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 148 [2023-12-19 23:12:24,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:24,896 INFO L225 Difference]: With dead ends: 3280 [2023-12-19 23:12:24,896 INFO L226 Difference]: Without dead ends: 2113 [2023-12-19 23:12:24,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:12:24,900 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1437 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1709 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1456 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 2225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 1709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:24,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1456 Valid, 910 Invalid, 2225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 1709 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 23:12:24,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2023-12-19 23:12:24,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 1936. [2023-12-19 23:12:24,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1554 states have (on average 1.6718146718146718) internal successors, (2598), 1560 states have internal predecessors, (2598), 353 states have call successors, (353), 24 states have call predecessors, (353), 28 states have return successors, (384), 351 states have call predecessors, (384), 352 states have call successors, (384) [2023-12-19 23:12:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 3335 transitions. [2023-12-19 23:12:25,001 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 3335 transitions. Word has length 148 [2023-12-19 23:12:25,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:25,002 INFO L495 AbstractCegarLoop]: Abstraction has 1936 states and 3335 transitions. [2023-12-19 23:12:25,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 3335 transitions. [2023-12-19 23:12:25,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-19 23:12:25,011 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:25,011 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:25,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-19 23:12:25,011 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:25,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:25,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1733507516, now seen corresponding path program 1 times [2023-12-19 23:12:25,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:25,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760473604] [2023-12-19 23:12:25,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:25,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:12:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 23:12:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 23:12:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 23:12:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:12:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-19 23:12:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:12:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:12:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:12:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:12:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:12:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-19 23:12:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:12:25,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:25,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760473604] [2023-12-19 23:12:25,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760473604] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:25,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:25,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:12:25,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583490614] [2023-12-19 23:12:25,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:25,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:12:25,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:25,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:12:25,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:12:25,102 INFO L87 Difference]: Start difference. First operand 1936 states and 3335 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:26,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:26,554 INFO L93 Difference]: Finished difference Result 4804 states and 8422 transitions. [2023-12-19 23:12:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:12:26,555 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 149 [2023-12-19 23:12:26,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:26,567 INFO L225 Difference]: With dead ends: 4804 [2023-12-19 23:12:26,567 INFO L226 Difference]: Without dead ends: 3114 [2023-12-19 23:12:26,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:12:26,571 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1436 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:26,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 907 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1706 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 23:12:26,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2023-12-19 23:12:26,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 2937. [2023-12-19 23:12:26,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2393 states have (on average 1.6773923944839113) internal successors, (4014), 2399 states have internal predecessors, (4014), 515 states have call successors, (515), 24 states have call predecessors, (515), 28 states have return successors, (562), 513 states have call predecessors, (562), 514 states have call successors, (562) [2023-12-19 23:12:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5091 transitions. [2023-12-19 23:12:26,669 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5091 transitions. Word has length 149 [2023-12-19 23:12:26,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:26,669 INFO L495 AbstractCegarLoop]: Abstraction has 2937 states and 5091 transitions. [2023-12-19 23:12:26,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5091 transitions. [2023-12-19 23:12:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-19 23:12:26,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:26,680 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:26,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-19 23:12:26,681 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:26,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:26,681 INFO L85 PathProgramCache]: Analyzing trace with hash -637498175, now seen corresponding path program 1 times [2023-12-19 23:12:26,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:26,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005556950] [2023-12-19 23:12:26,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:26,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-19 23:12:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 23:12:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-19 23:12:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-19 23:12:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-19 23:12:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:12:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:12:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-19 23:12:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-19 23:12:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:12:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-19 23:12:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-19 23:12:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:12:26,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:26,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005556950] [2023-12-19 23:12:26,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005556950] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:26,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:26,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:12:26,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926207346] [2023-12-19 23:12:26,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:26,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:12:26,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:26,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:12:26,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:12:26,773 INFO L87 Difference]: Start difference. First operand 2937 states and 5091 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:28,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:28,385 INFO L93 Difference]: Finished difference Result 7216 states and 12735 transitions. [2023-12-19 23:12:28,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:12:28,385 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 150 [2023-12-19 23:12:28,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:28,407 INFO L225 Difference]: With dead ends: 7216 [2023-12-19 23:12:28,408 INFO L226 Difference]: Without dead ends: 4734 [2023-12-19 23:12:28,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:12:28,417 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1432 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:28,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1450 Valid, 909 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1713 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-19 23:12:28,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4734 states. [2023-12-19 23:12:28,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4734 to 4557. [2023-12-19 23:12:28,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4557 states, 3768 states have (on average 1.6815286624203822) internal successors, (6336), 3774 states have internal predecessors, (6336), 760 states have call successors, (760), 24 states have call predecessors, (760), 28 states have return successors, (833), 758 states have call predecessors, (833), 759 states have call successors, (833) [2023-12-19 23:12:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4557 states to 4557 states and 7929 transitions. [2023-12-19 23:12:28,596 INFO L78 Accepts]: Start accepts. Automaton has 4557 states and 7929 transitions. Word has length 150 [2023-12-19 23:12:28,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:28,596 INFO L495 AbstractCegarLoop]: Abstraction has 4557 states and 7929 transitions. [2023-12-19 23:12:28,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:28,607 INFO L276 IsEmpty]: Start isEmpty. Operand 4557 states and 7929 transitions. [2023-12-19 23:12:28,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-19 23:12:28,622 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:28,622 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:28,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-19 23:12:28,622 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:28,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:28,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1413010432, now seen corresponding path program 1 times [2023-12-19 23:12:28,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:28,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114331224] [2023-12-19 23:12:28,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:28,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 23:12:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:12:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:12:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:12:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:12:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:12:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-19 23:12:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:12:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:12:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:12:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-19 23:12:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-19 23:12:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:28,704 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:12:28,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:28,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114331224] [2023-12-19 23:12:28,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114331224] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:28,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:28,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:12:28,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663399310] [2023-12-19 23:12:28,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:28,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:12:28,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:28,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:12:28,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:12:28,706 INFO L87 Difference]: Start difference. First operand 4557 states and 7929 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:30,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:30,225 INFO L93 Difference]: Finished difference Result 11293 states and 19988 transitions. [2023-12-19 23:12:30,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:12:30,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2023-12-19 23:12:30,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:30,254 INFO L225 Difference]: With dead ends: 11293 [2023-12-19 23:12:30,255 INFO L226 Difference]: Without dead ends: 7494 [2023-12-19 23:12:30,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:12:30,265 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 1430 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 1766 mSolverCounterSat, 506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 1766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:30,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 952 Invalid, 2272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 1766 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:12:30,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7494 states. [2023-12-19 23:12:30,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7494 to 7317. [2023-12-19 23:12:30,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7317 states, 6035 states have (on average 1.675559237779619) internal successors, (10112), 6041 states have internal predecessors, (10112), 1253 states have call successors, (1253), 24 states have call predecessors, (1253), 28 states have return successors, (1370), 1251 states have call predecessors, (1370), 1252 states have call successors, (1370) [2023-12-19 23:12:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7317 states to 7317 states and 12735 transitions. [2023-12-19 23:12:30,527 INFO L78 Accepts]: Start accepts. Automaton has 7317 states and 12735 transitions. Word has length 151 [2023-12-19 23:12:30,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:30,528 INFO L495 AbstractCegarLoop]: Abstraction has 7317 states and 12735 transitions. [2023-12-19 23:12:30,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:30,528 INFO L276 IsEmpty]: Start isEmpty. Operand 7317 states and 12735 transitions. [2023-12-19 23:12:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-19 23:12:30,551 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:30,551 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:30,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-19 23:12:30,551 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:30,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:30,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1741161221, now seen corresponding path program 1 times [2023-12-19 23:12:30,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:30,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732177482] [2023-12-19 23:12:30,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:30,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-19 23:12:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:12:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 23:12:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:12:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 23:12:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:12:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 23:12:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-19 23:12:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-19 23:12:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-19 23:12:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-19 23:12:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-19 23:12:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:30,630 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:12:30,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:30,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732177482] [2023-12-19 23:12:30,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732177482] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:30,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:30,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:12:30,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853882798] [2023-12-19 23:12:30,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:30,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:12:30,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:30,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:12:30,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:12:30,632 INFO L87 Difference]: Start difference. First operand 7317 states and 12735 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:32,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:32,207 INFO L93 Difference]: Finished difference Result 18652 states and 33008 transitions. [2023-12-19 23:12:32,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:12:32,208 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 152 [2023-12-19 23:12:32,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:32,246 INFO L225 Difference]: With dead ends: 18652 [2023-12-19 23:12:32,246 INFO L226 Difference]: Without dead ends: 12479 [2023-12-19 23:12:32,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:12:32,264 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1431 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1716 mSolverCounterSat, 514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 2230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 1716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:32,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1450 Valid, 912 Invalid, 2230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 1716 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:12:32,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12479 states. [2023-12-19 23:12:32,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12479 to 12302. [2023-12-19 23:12:32,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12302 states, 10198 states have (on average 1.675426554226319) internal successors, (17086), 10204 states have internal predecessors, (17086), 2075 states have call successors, (2075), 24 states have call predecessors, (2075), 28 states have return successors, (2270), 2073 states have call predecessors, (2270), 2074 states have call successors, (2270) [2023-12-19 23:12:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12302 states to 12302 states and 21431 transitions. [2023-12-19 23:12:32,670 INFO L78 Accepts]: Start accepts. Automaton has 12302 states and 21431 transitions. Word has length 152 [2023-12-19 23:12:32,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:32,670 INFO L495 AbstractCegarLoop]: Abstraction has 12302 states and 21431 transitions. [2023-12-19 23:12:32,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 12302 states and 21431 transitions. [2023-12-19 23:12:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-19 23:12:32,697 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:32,698 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:32,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-19 23:12:32,698 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:32,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:32,698 INFO L85 PathProgramCache]: Analyzing trace with hash -17057810, now seen corresponding path program 1 times [2023-12-19 23:12:32,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:32,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342632602] [2023-12-19 23:12:32,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:32,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-19 23:12:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-19 23:12:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:12:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 23:12:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 23:12:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 23:12:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-19 23:12:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 23:12:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-19 23:12:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-19 23:12:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-19 23:12:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-19 23:12:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:32,771 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:12:32,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:32,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342632602] [2023-12-19 23:12:32,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342632602] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:32,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:32,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:12:32,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789967948] [2023-12-19 23:12:32,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:32,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:12:32,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:32,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:12:32,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:12:32,772 INFO L87 Difference]: Start difference. First operand 12302 states and 21431 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:34,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:34,456 INFO L93 Difference]: Finished difference Result 29618 states and 52191 transitions. [2023-12-19 23:12:34,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:12:34,456 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 153 [2023-12-19 23:12:34,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:34,511 INFO L225 Difference]: With dead ends: 29618 [2023-12-19 23:12:34,511 INFO L226 Difference]: Without dead ends: 19439 [2023-12-19 23:12:34,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:12:34,533 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1428 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1704 mSolverCounterSat, 514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 2218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 1704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:34,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 889 Invalid, 2218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 1704 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:12:34,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19439 states. [2023-12-19 23:12:35,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19439 to 19262. [2023-12-19 23:12:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19262 states, 15955 states have (on average 1.6533375117518019) internal successors, (26379), 15961 states have internal predecessors, (26379), 3278 states have call successors, (3278), 24 states have call predecessors, (3278), 28 states have return successors, (3617), 3276 states have call predecessors, (3617), 3277 states have call successors, (3617) [2023-12-19 23:12:35,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19262 states to 19262 states and 33274 transitions. [2023-12-19 23:12:35,080 INFO L78 Accepts]: Start accepts. Automaton has 19262 states and 33274 transitions. Word has length 153 [2023-12-19 23:12:35,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:35,080 INFO L495 AbstractCegarLoop]: Abstraction has 19262 states and 33274 transitions. [2023-12-19 23:12:35,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:35,081 INFO L276 IsEmpty]: Start isEmpty. Operand 19262 states and 33274 transitions. [2023-12-19 23:12:35,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-19 23:12:35,104 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:35,104 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:35,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-19 23:12:35,104 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:35,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:35,104 INFO L85 PathProgramCache]: Analyzing trace with hash 2120799995, now seen corresponding path program 1 times [2023-12-19 23:12:35,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:35,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378788985] [2023-12-19 23:12:35,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:35,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 23:12:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:12:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-19 23:12:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 23:12:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:12:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:12:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:12:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:12:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:12:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-19 23:12:35,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:35,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378788985] [2023-12-19 23:12:35,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378788985] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:35,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:35,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:12:35,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500038635] [2023-12-19 23:12:35,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:35,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:12:35,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:35,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:12:35,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:12:35,297 INFO L87 Difference]: Start difference. First operand 19262 states and 33274 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:37,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:37,340 INFO L93 Difference]: Finished difference Result 51059 states and 89724 transitions. [2023-12-19 23:12:37,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:12:37,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 136 [2023-12-19 23:12:37,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:37,450 INFO L225 Difference]: With dead ends: 51059 [2023-12-19 23:12:37,450 INFO L226 Difference]: Without dead ends: 34568 [2023-12-19 23:12:37,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:12:37,496 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1424 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1709 mSolverCounterSat, 514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1442 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 1709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:37,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1442 Valid, 909 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 1709 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 23:12:37,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34568 states. [2023-12-19 23:12:38,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34568 to 34391. [2023-12-19 23:12:38,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34391 states, 28634 states have (on average 1.6506251309631905) internal successors, (47264), 28640 states have internal predecessors, (47264), 5728 states have call successors, (5728), 24 states have call predecessors, (5728), 28 states have return successors, (6341), 5726 states have call predecessors, (6341), 5727 states have call successors, (6341) [2023-12-19 23:12:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34391 states to 34391 states and 59333 transitions. [2023-12-19 23:12:38,759 INFO L78 Accepts]: Start accepts. Automaton has 34391 states and 59333 transitions. Word has length 136 [2023-12-19 23:12:38,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:38,759 INFO L495 AbstractCegarLoop]: Abstraction has 34391 states and 59333 transitions. [2023-12-19 23:12:38,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 34391 states and 59333 transitions. [2023-12-19 23:12:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 23:12:38,794 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:38,794 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:38,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-19 23:12:38,794 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:38,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:38,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1630165693, now seen corresponding path program 1 times [2023-12-19 23:12:38,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:38,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006761649] [2023-12-19 23:12:38,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:38,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 23:12:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 23:12:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 23:12:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 23:12:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:12:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:12:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:12:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-19 23:12:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:12:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-19 23:12:38,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:38,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006761649] [2023-12-19 23:12:38,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006761649] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:38,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:38,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:12:38,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380967604] [2023-12-19 23:12:38,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:38,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:12:38,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:38,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:12:38,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:12:38,886 INFO L87 Difference]: Start difference. First operand 34391 states and 59333 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:41,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:41,355 INFO L93 Difference]: Finished difference Result 93941 states and 164318 transitions. [2023-12-19 23:12:41,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:12:41,355 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2023-12-19 23:12:41,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:41,540 INFO L225 Difference]: With dead ends: 93941 [2023-12-19 23:12:41,540 INFO L226 Difference]: Without dead ends: 63244 [2023-12-19 23:12:41,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:12:41,597 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 1425 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1698 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 1698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:41,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 920 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 1698 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:12:41,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63244 states. [2023-12-19 23:12:43,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63244 to 63067. [2023-12-19 23:12:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63067 states, 52797 states have (on average 1.6469875182302025) internal successors, (86956), 52803 states have internal predecessors, (86956), 10241 states have call successors, (10241), 24 states have call predecessors, (10241), 28 states have return successors, (11386), 10239 states have call predecessors, (11386), 10240 states have call successors, (11386) [2023-12-19 23:12:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63067 states to 63067 states and 108583 transitions. [2023-12-19 23:12:43,738 INFO L78 Accepts]: Start accepts. Automaton has 63067 states and 108583 transitions. Word has length 137 [2023-12-19 23:12:43,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:43,738 INFO L495 AbstractCegarLoop]: Abstraction has 63067 states and 108583 transitions. [2023-12-19 23:12:43,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:12:43,738 INFO L276 IsEmpty]: Start isEmpty. Operand 63067 states and 108583 transitions. [2023-12-19 23:12:43,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 23:12:43,787 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:43,787 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:43,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-19 23:12:43,788 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:43,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:43,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1688367770, now seen corresponding path program 1 times [2023-12-19 23:12:43,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:43,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900986693] [2023-12-19 23:12:43,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:43,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:12:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-19 23:12:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 23:12:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-19 23:12:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-19 23:12:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-19 23:12:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-19 23:12:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-19 23:12:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:12:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:12:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-19 23:12:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-19 23:12:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:12:43,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:43,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900986693] [2023-12-19 23:12:43,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900986693] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:43,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:43,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:12:43,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499456897] [2023-12-19 23:12:43,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:43,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:12:43,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:43,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:12:43,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:12:43,863 INFO L87 Difference]: Start difference. First operand 63067 states and 108583 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:47,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:47,483 INFO L93 Difference]: Finished difference Result 118321 states and 207470 transitions. [2023-12-19 23:12:47,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:12:47,484 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2023-12-19 23:12:47,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:12:47,837 INFO L225 Difference]: With dead ends: 118321 [2023-12-19 23:12:47,837 INFO L226 Difference]: Without dead ends: 118130 [2023-12-19 23:12:47,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:12:47,884 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1420 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1724 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:12:47,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 910 Invalid, 2234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1724 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:12:48,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118130 states. [2023-12-19 23:12:51,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118130 to 117953. [2023-12-19 23:12:51,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117953 states, 99315 states have (on average 1.642309822282636) internal successors, (163106), 99321 states have internal predecessors, (163106), 18609 states have call successors, (18609), 24 states have call predecessors, (18609), 28 states have return successors, (20800), 18607 states have call predecessors, (20800), 18608 states have call successors, (20800) [2023-12-19 23:12:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117953 states to 117953 states and 202515 transitions. [2023-12-19 23:12:52,054 INFO L78 Accepts]: Start accepts. Automaton has 117953 states and 202515 transitions. Word has length 156 [2023-12-19 23:12:52,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:12:52,054 INFO L495 AbstractCegarLoop]: Abstraction has 117953 states and 202515 transitions. [2023-12-19 23:12:52,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 117953 states and 202515 transitions. [2023-12-19 23:12:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 23:12:52,100 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:12:52,100 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:12:52,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-19 23:12:52,100 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:12:52,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:12:52,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2031694137, now seen corresponding path program 1 times [2023-12-19 23:12:52,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:12:52,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993070921] [2023-12-19 23:12:52,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:12:52,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:12:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:12:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:12:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:12:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:12:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:12:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:12:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:12:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:12:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-19 23:12:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:12:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:12:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:12:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:12:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:12:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:12:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-19 23:12:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-19 23:12:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-19 23:12:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:12:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:12:52,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:12:52,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993070921] [2023-12-19 23:12:52,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993070921] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:12:52,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:12:52,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 23:12:52,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676201915] [2023-12-19 23:12:52,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:12:52,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 23:12:52,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:12:52,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 23:12:52,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:12:52,426 INFO L87 Difference]: Start difference. First operand 117953 states and 202515 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:12:59,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:12:59,146 INFO L93 Difference]: Finished difference Result 227139 states and 397808 transitions. [2023-12-19 23:12:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-19 23:12:59,146 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2023-12-19 23:12:59,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:13:00,105 INFO L225 Difference]: With dead ends: 227139 [2023-12-19 23:13:00,106 INFO L226 Difference]: Without dead ends: 226955 [2023-12-19 23:13:00,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=255, Invalid=737, Unknown=0, NotChecked=0, Total=992 [2023-12-19 23:13:00,188 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 2968 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 3803 mSolverCounterSat, 956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2985 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 4759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 3803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-19 23:13:00,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2985 Valid, 1610 Invalid, 4759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 3803 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-19 23:13:00,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226955 states. [2023-12-19 23:13:06,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226955 to 226597. [2023-12-19 23:13:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226597 states, 190824 states have (on average 1.6454271999329224) internal successors, (313987), 190776 states have internal predecessors, (313987), 35720 states have call successors, (35720), 47 states have call predecessors, (35720), 52 states have return successors, (39003), 35773 states have call predecessors, (39003), 35718 states have call successors, (39003) [2023-12-19 23:13:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226597 states to 226597 states and 388710 transitions. [2023-12-19 23:13:08,022 INFO L78 Accepts]: Start accepts. Automaton has 226597 states and 388710 transitions. Word has length 157 [2023-12-19 23:13:08,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:13:08,023 INFO L495 AbstractCegarLoop]: Abstraction has 226597 states and 388710 transitions. [2023-12-19 23:13:08,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 23:13:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand 226597 states and 388710 transitions. [2023-12-19 23:13:08,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-19 23:13:08,088 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:13:08,088 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:13:08,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-19 23:13:08,088 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:13:08,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:13:08,089 INFO L85 PathProgramCache]: Analyzing trace with hash 879729980, now seen corresponding path program 1 times [2023-12-19 23:13:08,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:13:08,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507639724] [2023-12-19 23:13:08,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:13:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:13:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:13:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:13:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:13:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:13:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:13:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:13:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:13:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:13:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-19 23:13:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-19 23:13:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-19 23:13:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-19 23:13:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:13:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-19 23:13:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-19 23:13:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-19 23:13:08,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:13:08,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507639724] [2023-12-19 23:13:08,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507639724] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:13:08,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:13:08,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 23:13:08,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511785262] [2023-12-19 23:13:08,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:13:08,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 23:13:08,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:13:08,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 23:13:08,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:13:08,428 INFO L87 Difference]: Start difference. First operand 226597 states and 388710 transitions. Second operand has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:13:14,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:13:14,654 INFO L93 Difference]: Finished difference Result 227307 states and 396133 transitions. [2023-12-19 23:13:14,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-19 23:13:14,656 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 139 [2023-12-19 23:13:14,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:13:15,421 INFO L225 Difference]: With dead ends: 227307 [2023-12-19 23:13:15,421 INFO L226 Difference]: Without dead ends: 226937 [2023-12-19 23:13:15,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2023-12-19 23:13:15,506 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1471 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 3547 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 3997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 3547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:13:15,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 1265 Invalid, 3997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 3547 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 23:13:15,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226937 states. [2023-12-19 23:13:22,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226937 to 226597. [2023-12-19 23:13:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226597 states, 190824 states have (on average 1.6454167190709763) internal successors, (313985), 190776 states have internal predecessors, (313985), 35720 states have call successors, (35720), 47 states have call predecessors, (35720), 52 states have return successors, (39003), 35773 states have call predecessors, (39003), 35718 states have call successors, (39003) [2023-12-19 23:13:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226597 states to 226597 states and 388708 transitions. [2023-12-19 23:13:23,716 INFO L78 Accepts]: Start accepts. Automaton has 226597 states and 388708 transitions. Word has length 139 [2023-12-19 23:13:23,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:13:23,717 INFO L495 AbstractCegarLoop]: Abstraction has 226597 states and 388708 transitions. [2023-12-19 23:13:23,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-19 23:13:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 226597 states and 388708 transitions. [2023-12-19 23:13:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-19 23:13:23,806 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:13:23,806 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:13:23,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-19 23:13:23,806 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:13:23,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:13:23,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1462211540, now seen corresponding path program 1 times [2023-12-19 23:13:23,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:13:23,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988658059] [2023-12-19 23:13:23,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:13:23,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:13:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:13:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:13:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:13:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:13:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:13:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:13:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:13:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:13:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-19 23:13:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 23:13:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:13:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:13:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-19 23:13:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-19 23:13:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-19 23:13:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-19 23:13:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-19 23:13:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-19 23:13:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-19 23:13:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:13:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:13:23,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:13:23,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988658059] [2023-12-19 23:13:23,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988658059] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:13:23,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:13:23,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-19 23:13:23,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268129909] [2023-12-19 23:13:23,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:13:23,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-19 23:13:23,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:13:23,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-19 23:13:23,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2023-12-19 23:13:23,979 INFO L87 Difference]: Start difference. First operand 226597 states and 388708 transitions. Second operand has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-19 23:13:31,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:13:31,453 INFO L93 Difference]: Finished difference Result 227384 states and 396252 transitions. [2023-12-19 23:13:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-19 23:13:31,453 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 165 [2023-12-19 23:13:31,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:13:32,252 INFO L225 Difference]: With dead ends: 227384 [2023-12-19 23:13:32,252 INFO L226 Difference]: Without dead ends: 226998 [2023-12-19 23:13:32,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=286, Invalid=974, Unknown=0, NotChecked=0, Total=1260 [2023-12-19 23:13:32,323 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 2002 mSDsluCounter, 1614 mSDsCounter, 0 mSdLazyCounter, 5652 mSolverCounterSat, 759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 6411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 759 IncrementalHoareTripleChecker+Valid, 5652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-19 23:13:32,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 1799 Invalid, 6411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [759 Valid, 5652 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]