/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec27_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 09:43:50,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 09:43:50,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 09:43:50,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 09:43:50,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 09:43:50,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 09:43:50,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 09:43:50,966 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 09:43:50,967 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 09:43:50,970 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 09:43:50,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 09:43:50,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 09:43:50,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 09:43:50,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 09:43:50,972 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 09:43:50,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 09:43:50,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 09:43:50,972 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 09:43:50,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 09:43:50,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 09:43:50,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 09:43:50,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 09:43:50,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 09:43:50,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 09:43:50,974 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 09:43:50,975 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 09:43:50,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 09:43:50,975 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 09:43:50,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 09:43:50,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 09:43:50,976 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 09:43:50,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 09:43:50,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 09:43:50,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 09:43:50,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 09:43:50,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 09:43:50,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 09:43:50,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 09:43:50,977 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 09:43:50,977 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 09:43:50,977 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 09:43:50,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 09:43:50,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 09:43:50,978 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 09:43:51,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 09:43:51,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 09:43:51,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 09:43:51,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 09:43:51,189 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 09:43:51,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product17.cil.c [2023-12-21 09:43:52,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 09:43:52,574 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 09:43:52,575 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product17.cil.c [2023-12-21 09:43:52,592 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6562e9cd/6a442a47425744fdb6699d8daf18f897/FLAG21a737fd0 [2023-12-21 09:43:52,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6562e9cd/6a442a47425744fdb6699d8daf18f897 [2023-12-21 09:43:52,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 09:43:52,606 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 09:43:52,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 09:43:52,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 09:43:52,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 09:43:52,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:43:52" (1/1) ... [2023-12-21 09:43:52,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799de38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:52, skipping insertion in model container [2023-12-21 09:43:52,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:43:52" (1/1) ... [2023-12-21 09:43:52,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 09:43:52,892 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_product17.cil.c[18815,18828] [2023-12-21 09:43:53,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 09:43:53,053 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 09:43:53,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2023-12-21 09:43:53,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [382] [2023-12-21 09:43:53,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [682] [2023-12-21 09:43:53,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [715] [2023-12-21 09:43:53,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [750] [2023-12-21 09:43:53,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [966] [2023-12-21 09:43:53,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [975] [2023-12-21 09:43:53,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [992] [2023-12-21 09:43:53,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1358] [2023-12-21 09:43:53,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2422] [2023-12-21 09:43:53,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2520] [2023-12-21 09:43:53,082 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_product17.cil.c[18815,18828] [2023-12-21 09:43:53,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 09:43:53,150 INFO L206 MainTranslator]: Completed translation [2023-12-21 09:43:53,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53 WrapperNode [2023-12-21 09:43:53,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 09:43:53,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 09:43:53,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 09:43:53,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 09:43:53,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,225 INFO L138 Inliner]: procedures = 127, calls = 193, calls flagged for inlining = 52, calls inlined = 46, statements flattened = 876 [2023-12-21 09:43:53,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 09:43:53,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 09:43:53,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 09:43:53,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 09:43:53,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,282 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]. [2023-12-21 09:43:53,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 09:43:53,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 09:43:53,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 09:43:53,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 09:43:53,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (1/1) ... [2023-12-21 09:43:53,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 09:43:53,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:43:53,373 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) [2023-12-21 09:43:53,382 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 [2023-12-21 09:43:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-21 09:43:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-21 09:43:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-21 09:43:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-21 09:43:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-12-21 09:43:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-12-21 09:43:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-21 09:43:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-21 09:43:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-21 09:43:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-21 09:43:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-21 09:43:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-21 09:43:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-21 09:43:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-21 09:43:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-21 09:43:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-21 09:43:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-21 09:43:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-21 09:43:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-21 09:43:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-21 09:43:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-21 09:43:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-21 09:43:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 09:43:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-21 09:43:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-21 09:43:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-21 09:43:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-21 09:43:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-21 09:43:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-21 09:43:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-21 09:43:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-21 09:43:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-21 09:43:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-21 09:43:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-12-21 09:43:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-12-21 09:43:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-21 09:43:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-21 09:43:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-21 09:43:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-21 09:43:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-21 09:43:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-21 09:43:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-21 09:43:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-21 09:43:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 09:43:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 09:43:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-21 09:43:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-21 09:43:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-21 09:43:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-21 09:43:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-21 09:43:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-21 09:43:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 09:43:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 09:43:53,588 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 09:43:53,590 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 09:43:54,168 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 09:43:54,215 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 09:43:54,215 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 09:43:54,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:43:54 BoogieIcfgContainer [2023-12-21 09:43:54,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 09:43:54,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 09:43:54,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 09:43:54,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 09:43:54,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 09:43:52" (1/3) ... [2023-12-21 09:43:54,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e846975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:43:54, skipping insertion in model container [2023-12-21 09:43:54,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:43:53" (2/3) ... [2023-12-21 09:43:54,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e846975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:43:54, skipping insertion in model container [2023-12-21 09:43:54,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:43:54" (3/3) ... [2023-12-21 09:43:54,221 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product17.cil.c [2023-12-21 09:43:54,233 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 09:43:54,233 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 09:43:54,280 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 09:43:54,285 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;@7eb65f65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 09:43:54,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 09:43:54,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 260 states have (on average 1.6307692307692307) internal successors, (424), 263 states have internal predecessors, (424), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2023-12-21 09:43:54,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-21 09:43:54,315 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:43:54,316 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] [2023-12-21 09:43:54,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:43:54,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:43:54,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1784902654, now seen corresponding path program 1 times [2023-12-21 09:43:54,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:43:54,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695639765] [2023-12-21 09:43:54,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:43:54,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:43:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:43:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:43:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:43:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:43:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:43:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:43:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 09:43:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-21 09:43:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 09:43:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:43:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:43:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 09:43:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:43:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 09:43:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:43:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-21 09:43:54,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:43:54,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695639765] [2023-12-21 09:43:54,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695639765] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:43:54,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578568260] [2023-12-21 09:43:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:43:54,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:43:54,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:43:54,888 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) [2023-12-21 09:43:54,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 09:43:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 09:43:55,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:43:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-21 09:43:55,209 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:43:55,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578568260] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:43:55,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:43:55,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-21 09:43:55,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925641262] [2023-12-21 09:43:55,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:43:55,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 09:43:55,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:43:55,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 09:43:55,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:43:55,244 INFO L87 Difference]: Start difference. First operand has 336 states, 260 states have (on average 1.6307692307692307) internal successors, (424), 263 states have internal predecessors, (424), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) 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) [2023-12-21 09:43:55,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:43:55,302 INFO L93 Difference]: Finished difference Result 492 states and 758 transitions. [2023-12-21 09:43:55,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 09:43:55,304 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 [2023-12-21 09:43:55,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:43:55,322 INFO L225 Difference]: With dead ends: 492 [2023-12-21 09:43:55,322 INFO L226 Difference]: Without dead ends: 333 [2023-12-21 09:43:55,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:43:55,328 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:43:55,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 510 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:43:55,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2023-12-21 09:43:55,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2023-12-21 09:43:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 258 states have (on average 1.6162790697674418) internal successors, (417), 260 states have internal predecessors, (417), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-21 09:43:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 518 transitions. [2023-12-21 09:43:55,389 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 518 transitions. Word has length 110 [2023-12-21 09:43:55,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:43:55,390 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 518 transitions. [2023-12-21 09:43:55,390 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) [2023-12-21 09:43:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 518 transitions. [2023-12-21 09:43:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-21 09:43:55,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:43:55,396 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] [2023-12-21 09:43:55,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 09:43:55,598 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 [2023-12-21 09:43:55,599 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:43:55,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:43:55,599 INFO L85 PathProgramCache]: Analyzing trace with hash 298764260, now seen corresponding path program 1 times [2023-12-21 09:43:55,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:43:55,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697284743] [2023-12-21 09:43:55,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:43:55,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:43:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:43:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:43:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:43:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:43:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:43:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:43:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 09:43:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 09:43:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-21 09:43:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:43:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 09:43:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 09:43:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 09:43:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-21 09:43:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 09:43:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-21 09:43:56,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:43:56,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697284743] [2023-12-21 09:43:56,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697284743] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:43:56,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062490409] [2023-12-21 09:43:56,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:43:56,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:43:56,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:43:56,008 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) [2023-12-21 09:43:56,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 09:43:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 09:43:56,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:43:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-21 09:43:56,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:43:56,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062490409] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:43:56,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:43:56,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-21 09:43:56,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704391518] [2023-12-21 09:43:56,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:43:56,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 09:43:56,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:43:56,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 09:43:56,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:43:56,270 INFO L87 Difference]: Start difference. First operand 333 states and 518 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) [2023-12-21 09:43:56,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:43:56,321 INFO L93 Difference]: Finished difference Result 488 states and 742 transitions. [2023-12-21 09:43:56,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 09:43:56,322 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 [2023-12-21 09:43:56,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:43:56,326 INFO L225 Difference]: With dead ends: 488 [2023-12-21 09:43:56,326 INFO L226 Difference]: Without dead ends: 335 [2023-12-21 09:43:56,327 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 [2023-12-21 09:43:56,328 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 0 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:43:56,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1013 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:43:56,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-12-21 09:43:56,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2023-12-21 09:43:56,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 260 states have (on average 1.6115384615384616) internal successors, (419), 262 states have internal predecessors, (419), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-21 09:43:56,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 520 transitions. [2023-12-21 09:43:56,343 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 520 transitions. Word has length 111 [2023-12-21 09:43:56,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:43:56,344 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 520 transitions. [2023-12-21 09:43:56,344 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) [2023-12-21 09:43:56,344 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 520 transitions. [2023-12-21 09:43:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-21 09:43:56,345 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:43:56,346 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] [2023-12-21 09:43:56,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 09:43:56,552 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 [2023-12-21 09:43:56,552 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:43:56,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:43:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1027658970, now seen corresponding path program 1 times [2023-12-21 09:43:56,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:43:56,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263686541] [2023-12-21 09:43:56,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:43:56,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:43:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:43:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:43:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:43:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:43:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:43:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:43:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 09:43:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 09:43:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 09:43:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:43:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 09:43:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:43:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-21 09:43:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:43:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 09:43:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 09:43:56,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:43:56,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263686541] [2023-12-21 09:43:56,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263686541] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:43:56,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105802101] [2023-12-21 09:43:56,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:43:56,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:43:56,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:43:56,704 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) [2023-12-21 09:43:56,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 09:43:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:56,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 09:43:56,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:43:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-21 09:43:56,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:43:56,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105802101] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:43:56,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:43:56,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-21 09:43:56,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747821557] [2023-12-21 09:43:56,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:43:56,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 09:43:56,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:43:56,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 09:43:56,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:43:56,980 INFO L87 Difference]: Start difference. First operand 335 states and 520 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-12-21 09:43:57,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:43:57,017 INFO L93 Difference]: Finished difference Result 714 states and 1125 transitions. [2023-12-21 09:43:57,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 09:43:57,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 116 [2023-12-21 09:43:57,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:43:57,020 INFO L225 Difference]: With dead ends: 714 [2023-12-21 09:43:57,020 INFO L226 Difference]: Without dead ends: 401 [2023-12-21 09:43:57,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:43:57,021 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 122 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:43:57,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 982 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:43:57,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2023-12-21 09:43:57,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 396. [2023-12-21 09:43:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 307 states have (on average 1.6254071661237786) internal successors, (499), 309 states have internal predecessors, (499), 65 states have call successors, (65), 23 states have call predecessors, (65), 23 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-21 09:43:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 628 transitions. [2023-12-21 09:43:57,037 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 628 transitions. Word has length 116 [2023-12-21 09:43:57,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:43:57,037 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 628 transitions. [2023-12-21 09:43:57,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-12-21 09:43:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 628 transitions. [2023-12-21 09:43:57,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-21 09:43:57,039 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:43:57,039 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] [2023-12-21 09:43:57,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-21 09:43:57,246 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 [2023-12-21 09:43:57,246 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:43:57,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:43:57,246 INFO L85 PathProgramCache]: Analyzing trace with hash -2100863588, now seen corresponding path program 1 times [2023-12-21 09:43:57,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:43:57,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397886889] [2023-12-21 09:43:57,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:43:57,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:43:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:43:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:43:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:43:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:43:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:43:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:43:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-21 09:43:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-21 09:43:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 09:43:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 09:43:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 09:43:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 09:43:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 09:43:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 09:43:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 09:43:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 09:43:57,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:43:57,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397886889] [2023-12-21 09:43:57,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397886889] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:43:57,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461415855] [2023-12-21 09:43:57,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:43:57,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:43:57,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:43:57,410 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) [2023-12-21 09:43:57,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 09:43:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:57,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-21 09:43:57,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:43:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-21 09:43:57,683 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:43:57,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461415855] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:43:57,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:43:57,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-21 09:43:57,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508936264] [2023-12-21 09:43:57,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:43:57,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 09:43:57,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:43:57,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 09:43:57,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-21 09:43:57,686 INFO L87 Difference]: Start difference. First operand 396 states and 628 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-21 09:43:57,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:43:57,763 INFO L93 Difference]: Finished difference Result 787 states and 1250 transitions. [2023-12-21 09:43:57,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 09:43:57,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 117 [2023-12-21 09:43:57,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:43:57,766 INFO L225 Difference]: With dead ends: 787 [2023-12-21 09:43:57,766 INFO L226 Difference]: Without dead ends: 398 [2023-12-21 09:43:57,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-21 09:43:57,768 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 8 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1981 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:43:57,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1981 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:43:57,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-12-21 09:43:57,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2023-12-21 09:43:57,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 308 states have (on average 1.6233766233766234) internal successors, (500), 311 states have internal predecessors, (500), 65 states have call successors, (65), 23 states have call predecessors, (65), 24 states have return successors, (66), 63 states have call predecessors, (66), 64 states have call successors, (66) [2023-12-21 09:43:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 631 transitions. [2023-12-21 09:43:57,779 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 631 transitions. Word has length 117 [2023-12-21 09:43:57,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:43:57,780 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 631 transitions. [2023-12-21 09:43:57,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-21 09:43:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 631 transitions. [2023-12-21 09:43:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-21 09:43:57,782 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:43:57,782 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] [2023-12-21 09:43:57,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-21 09:43:57,988 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 [2023-12-21 09:43:57,989 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:43:57,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:43:57,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1982376964, now seen corresponding path program 1 times [2023-12-21 09:43:57,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:43:57,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297859494] [2023-12-21 09:43:57,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:43:57,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:43:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:43:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:43:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:43:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:43:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-21 09:43:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-21 09:43:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-21 09:43:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 09:43:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 09:43:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 09:43:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 09:43:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 09:43:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-21 09:43:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 09:43:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 09:43:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-21 09:43:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 09:43:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 09:43:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-21 09:43:58,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:43:58,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297859494] [2023-12-21 09:43:58,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297859494] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:43:58,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363112400] [2023-12-21 09:43:58,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:43:58,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:43:58,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:43:58,188 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) [2023-12-21 09:43:58,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-21 09:43:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-21 09:43:58,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:43:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-21 09:43:58,480 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:43:58,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363112400] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:43:58,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:43:58,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-21 09:43:58,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714126825] [2023-12-21 09:43:58,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:43:58,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 09:43:58,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:43:58,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 09:43:58,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-21 09:43:58,483 INFO L87 Difference]: Start difference. First operand 398 states and 631 transitions. Second operand has 5 states, 5 states have (on average 17.0) 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), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-21 09:43:58,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:43:58,566 INFO L93 Difference]: Finished difference Result 789 states and 1255 transitions. [2023-12-21 09:43:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 09:43:58,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) 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), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 136 [2023-12-21 09:43:58,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:43:58,569 INFO L225 Difference]: With dead ends: 789 [2023-12-21 09:43:58,569 INFO L226 Difference]: Without dead ends: 400 [2023-12-21 09:43:58,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-21 09:43:58,571 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 8 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:43:58,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1967 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:43:58,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2023-12-21 09:43:58,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2023-12-21 09:43:58,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 309 states have (on average 1.6213592233009708) internal successors, (501), 313 states have internal predecessors, (501), 65 states have call successors, (65), 23 states have call predecessors, (65), 25 states have return successors, (71), 63 states have call predecessors, (71), 64 states have call successors, (71) [2023-12-21 09:43:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 637 transitions. [2023-12-21 09:43:58,597 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 637 transitions. Word has length 136 [2023-12-21 09:43:58,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:43:58,597 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 637 transitions. [2023-12-21 09:43:58,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) 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), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-21 09:43:58,597 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 637 transitions. [2023-12-21 09:43:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-21 09:43:58,601 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:43:58,601 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] [2023-12-21 09:43:58,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-21 09:43:58,808 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 [2023-12-21 09:43:58,809 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:43:58,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:43:58,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2114274603, now seen corresponding path program 1 times [2023-12-21 09:43:58,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:43:58,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789826306] [2023-12-21 09:43:58,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:43:58,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:43:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:43:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:43:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:43:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:43:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:43:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-21 09:43:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-21 09:43:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-21 09:43:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 09:43:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 09:43:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 09:43:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-21 09:43:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-21 09:43:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-21 09:43:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-21 09:43:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:43:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 09:43:58,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:43:58,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789826306] [2023-12-21 09:43:58,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789826306] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:43:58,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:43:58,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 09:43:58,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901333300] [2023-12-21 09:43:58,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:43:58,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 09:43:58,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:43:58,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 09:43:58,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:43:58,945 INFO L87 Difference]: Start difference. First operand 400 states and 637 transitions. Second operand has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-21 09:44:00,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:00,214 INFO L93 Difference]: Finished difference Result 859 states and 1388 transitions. [2023-12-21 09:44:00,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-21 09:44:00,214 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 119 [2023-12-21 09:44:00,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:00,217 INFO L225 Difference]: With dead ends: 859 [2023-12-21 09:44:00,217 INFO L226 Difference]: Without dead ends: 478 [2023-12-21 09:44:00,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-21 09:44:00,218 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 1144 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:00,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 1144 Invalid, 2440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 2079 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-21 09:44:00,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2023-12-21 09:44:00,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 400. [2023-12-21 09:44:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 309 states have (on average 1.6213592233009708) internal successors, (501), 313 states have internal predecessors, (501), 65 states have call successors, (65), 23 states have call predecessors, (65), 25 states have return successors, (70), 63 states have call predecessors, (70), 64 states have call successors, (70) [2023-12-21 09:44:00,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 636 transitions. [2023-12-21 09:44:00,242 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 636 transitions. Word has length 119 [2023-12-21 09:44:00,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:00,242 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 636 transitions. [2023-12-21 09:44:00,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-21 09:44:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 636 transitions. [2023-12-21 09:44:00,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-21 09:44:00,244 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:00,244 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:44:00,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-21 09:44:00,244 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:00,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:00,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1174220445, now seen corresponding path program 2 times [2023-12-21 09:44:00,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:00,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702179728] [2023-12-21 09:44:00,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:00,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-21 09:44:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-21 09:44:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 09:44:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:44:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 09:44:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-21 09:44:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 09:44:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-21 09:44:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 09:44:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 09:44:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 09:44:00,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:00,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702179728] [2023-12-21 09:44:00,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702179728] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:00,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:00,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 09:44:00,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368868114] [2023-12-21 09:44:00,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:00,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 09:44:00,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:00,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 09:44:00,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:44:00,379 INFO L87 Difference]: Start difference. First operand 400 states and 636 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-21 09:44:01,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:01,624 INFO L93 Difference]: Finished difference Result 861 states and 1391 transitions. [2023-12-21 09:44:01,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-21 09:44:01,625 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 120 [2023-12-21 09:44:01,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:01,627 INFO L225 Difference]: With dead ends: 861 [2023-12-21 09:44:01,627 INFO L226 Difference]: Without dead ends: 480 [2023-12-21 09:44:01,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-21 09:44:01,629 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 1139 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2091 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 2443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 2091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:01,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1141 Valid, 1144 Invalid, 2443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 2091 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-21 09:44:01,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2023-12-21 09:44:01,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 402. [2023-12-21 09:44:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 310 states have (on average 1.6193548387096774) internal successors, (502), 315 states have internal predecessors, (502), 65 states have call successors, (65), 23 states have call predecessors, (65), 26 states have return successors, (72), 63 states have call predecessors, (72), 64 states have call successors, (72) [2023-12-21 09:44:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 639 transitions. [2023-12-21 09:44:01,652 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 639 transitions. Word has length 120 [2023-12-21 09:44:01,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:01,653 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 639 transitions. [2023-12-21 09:44:01,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-21 09:44:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 639 transitions. [2023-12-21 09:44:01,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-21 09:44:01,655 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:01,655 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] [2023-12-21 09:44:01,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-21 09:44:01,655 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:01,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:01,655 INFO L85 PathProgramCache]: Analyzing trace with hash -499912804, now seen corresponding path program 1 times [2023-12-21 09:44:01,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:01,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816639920] [2023-12-21 09:44:01,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:01,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 09:44:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-21 09:44:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:44:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-21 09:44:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 09:44:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 09:44:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:44:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-21 09:44:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-21 09:44:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 09:44:01,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:01,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816639920] [2023-12-21 09:44:01,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816639920] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:01,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:01,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 09:44:01,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12977291] [2023-12-21 09:44:01,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:01,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 09:44:01,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:01,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 09:44:01,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:44:01,839 INFO L87 Difference]: Start difference. First operand 402 states and 639 transitions. Second operand has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-21 09:44:03,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:03,222 INFO L93 Difference]: Finished difference Result 861 states and 1390 transitions. [2023-12-21 09:44:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 09:44:03,223 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 121 [2023-12-21 09:44:03,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:03,225 INFO L225 Difference]: With dead ends: 861 [2023-12-21 09:44:03,225 INFO L226 Difference]: Without dead ends: 480 [2023-12-21 09:44:03,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2023-12-21 09:44:03,227 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 1144 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2070 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 2438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 2070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:03,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 1145 Invalid, 2438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 2070 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-21 09:44:03,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2023-12-21 09:44:03,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 402. [2023-12-21 09:44:03,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 310 states have (on average 1.6193548387096774) internal successors, (502), 315 states have internal predecessors, (502), 65 states have call successors, (65), 23 states have call predecessors, (65), 26 states have return successors, (72), 63 states have call predecessors, (72), 64 states have call successors, (72) [2023-12-21 09:44:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 639 transitions. [2023-12-21 09:44:03,243 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 639 transitions. Word has length 121 [2023-12-21 09:44:03,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:03,243 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 639 transitions. [2023-12-21 09:44:03,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-21 09:44:03,243 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 639 transitions. [2023-12-21 09:44:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-21 09:44:03,244 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:03,244 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] [2023-12-21 09:44:03,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-21 09:44:03,245 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:03,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:03,245 INFO L85 PathProgramCache]: Analyzing trace with hash 270820762, now seen corresponding path program 1 times [2023-12-21 09:44:03,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:03,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559375582] [2023-12-21 09:44:03,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:03,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 09:44:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-21 09:44:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:44:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-21 09:44:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 09:44:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 09:44:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:44:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-21 09:44:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-21 09:44:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:03,427 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-21 09:44:03,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:03,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559375582] [2023-12-21 09:44:03,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559375582] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:03,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:03,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-21 09:44:03,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386418162] [2023-12-21 09:44:03,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:03,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-21 09:44:03,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:03,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-21 09:44:03,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-21 09:44:03,429 INFO L87 Difference]: Start difference. First operand 402 states and 639 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-12-21 09:44:05,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:05,404 INFO L93 Difference]: Finished difference Result 859 states and 1385 transitions. [2023-12-21 09:44:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-21 09:44:05,405 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 121 [2023-12-21 09:44:05,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:05,407 INFO L225 Difference]: With dead ends: 859 [2023-12-21 09:44:05,407 INFO L226 Difference]: Without dead ends: 480 [2023-12-21 09:44:05,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-21 09:44:05,409 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 1148 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 3533 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 3891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 3533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:05,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 1586 Invalid, 3891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [358 Valid, 3533 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-21 09:44:05,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2023-12-21 09:44:05,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 402. [2023-12-21 09:44:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 310 states have (on average 1.6193548387096774) internal successors, (502), 315 states have internal predecessors, (502), 65 states have call successors, (65), 23 states have call predecessors, (65), 26 states have return successors, (71), 63 states have call predecessors, (71), 64 states have call successors, (71) [2023-12-21 09:44:05,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 638 transitions. [2023-12-21 09:44:05,459 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 638 transitions. Word has length 121 [2023-12-21 09:44:05,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:05,459 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 638 transitions. [2023-12-21 09:44:05,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-12-21 09:44:05,460 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 638 transitions. [2023-12-21 09:44:05,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-21 09:44:05,461 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:05,461 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:44:05,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-21 09:44:05,461 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:05,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:05,462 INFO L85 PathProgramCache]: Analyzing trace with hash -129151309, now seen corresponding path program 2 times [2023-12-21 09:44:05,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:05,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97972929] [2023-12-21 09:44:05,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:05,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-21 09:44:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 09:44:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:44:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 09:44:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:44:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-21 09:44:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-21 09:44:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 09:44:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 09:44:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-21 09:44:05,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:05,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97972929] [2023-12-21 09:44:05,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97972929] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:05,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:05,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-21 09:44:05,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809448092] [2023-12-21 09:44:05,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:05,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-21 09:44:05,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:05,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-21 09:44:05,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-21 09:44:05,602 INFO L87 Difference]: Start difference. First operand 402 states and 638 transitions. Second operand has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-12-21 09:44:07,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:07,538 INFO L93 Difference]: Finished difference Result 861 states and 1391 transitions. [2023-12-21 09:44:07,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-21 09:44:07,540 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 122 [2023-12-21 09:44:07,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:07,542 INFO L225 Difference]: With dead ends: 861 [2023-12-21 09:44:07,542 INFO L226 Difference]: Without dead ends: 482 [2023-12-21 09:44:07,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-21 09:44:07,543 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1139 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 3598 mSolverCounterSat, 336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1140 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 3934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 336 IncrementalHoareTripleChecker+Valid, 3598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:07,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1140 Valid, 1587 Invalid, 3934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [336 Valid, 3598 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-21 09:44:07,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2023-12-21 09:44:07,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 404. [2023-12-21 09:44:07,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 311 states have (on average 1.617363344051447) internal successors, (503), 317 states have internal predecessors, (503), 65 states have call successors, (65), 23 states have call predecessors, (65), 27 states have return successors, (76), 63 states have call predecessors, (76), 64 states have call successors, (76) [2023-12-21 09:44:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 644 transitions. [2023-12-21 09:44:07,562 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 644 transitions. Word has length 122 [2023-12-21 09:44:07,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:07,562 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 644 transitions. [2023-12-21 09:44:07,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-12-21 09:44:07,562 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 644 transitions. [2023-12-21 09:44:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-21 09:44:07,564 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:07,564 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] [2023-12-21 09:44:07,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-21 09:44:07,564 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:07,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:07,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1521273215, now seen corresponding path program 1 times [2023-12-21 09:44:07,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:07,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117204587] [2023-12-21 09:44:07,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:07,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 09:44:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-21 09:44:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 09:44:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 09:44:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 09:44:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 09:44:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:44:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 09:44:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-21 09:44:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:07,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:07,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117204587] [2023-12-21 09:44:07,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117204587] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:44:07,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892856657] [2023-12-21 09:44:07,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:07,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:44:07,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:44:07,657 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) [2023-12-21 09:44:07,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-21 09:44:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:07,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 09:44:07,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:44:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:07,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 09:44:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:07,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892856657] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 09:44:07,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 09:44:07,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-12-21 09:44:07,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219433663] [2023-12-21 09:44:07,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 09:44:07,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-21 09:44:07,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:07,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-21 09:44:07,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-21 09:44:07,977 INFO L87 Difference]: Start difference. First operand 404 states and 644 transitions. Second operand has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-21 09:44:09,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:09,472 INFO L93 Difference]: Finished difference Result 1035 states and 1747 transitions. [2023-12-21 09:44:09,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 09:44:09,472 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 123 [2023-12-21 09:44:09,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:09,478 INFO L225 Difference]: With dead ends: 1035 [2023-12-21 09:44:09,478 INFO L226 Difference]: Without dead ends: 882 [2023-12-21 09:44:09,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-12-21 09:44:09,479 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 1606 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 1803 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1663 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 2356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 1803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:09,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1663 Valid, 1428 Invalid, 2356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 1803 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-21 09:44:09,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2023-12-21 09:44:09,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 789. [2023-12-21 09:44:09,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 617 states have (on average 1.66612641815235) internal successors, (1028), 623 states have internal predecessors, (1028), 144 states have call successors, (144), 23 states have call predecessors, (144), 27 states have return successors, (165), 142 states have call predecessors, (165), 143 states have call successors, (165) [2023-12-21 09:44:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1337 transitions. [2023-12-21 09:44:09,508 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1337 transitions. Word has length 123 [2023-12-21 09:44:09,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:09,509 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1337 transitions. [2023-12-21 09:44:09,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-21 09:44:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1337 transitions. [2023-12-21 09:44:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-21 09:44:09,512 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:09,512 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] [2023-12-21 09:44:09,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-21 09:44:09,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:44:09,719 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:09,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:09,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1642759484, now seen corresponding path program 1 times [2023-12-21 09:44:09,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:09,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167681815] [2023-12-21 09:44:09,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:09,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-21 09:44:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 09:44:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 09:44:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 09:44:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 09:44:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:44:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 09:44:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-21 09:44:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-21 09:44:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:09,811 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:09,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:09,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167681815] [2023-12-21 09:44:09,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167681815] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:09,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:09,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:44:09,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206764052] [2023-12-21 09:44:09,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:09,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:44:09,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:09,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:44:09,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:44:09,812 INFO L87 Difference]: Start difference. First operand 789 states and 1337 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) [2023-12-21 09:44:11,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:11,039 INFO L93 Difference]: Finished difference Result 1983 states and 3442 transitions. [2023-12-21 09:44:11,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:44:11,040 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 [2023-12-21 09:44:11,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:11,045 INFO L225 Difference]: With dead ends: 1983 [2023-12-21 09:44:11,045 INFO L226 Difference]: Without dead ends: 1254 [2023-12-21 09:44:11,047 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 [2023-12-21 09:44:11,048 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1251 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:11,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 882 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-21 09:44:11,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2023-12-21 09:44:11,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1171. [2023-12-21 09:44:11,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 920 states have (on average 1.673913043478261) internal successors, (1540), 926 states have internal predecessors, (1540), 223 states have call successors, (223), 23 states have call predecessors, (223), 27 states have return successors, (254), 221 states have call predecessors, (254), 222 states have call successors, (254) [2023-12-21 09:44:11,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2017 transitions. [2023-12-21 09:44:11,125 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2017 transitions. Word has length 129 [2023-12-21 09:44:11,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:11,126 INFO L495 AbstractCegarLoop]: Abstraction has 1171 states and 2017 transitions. [2023-12-21 09:44:11,126 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) [2023-12-21 09:44:11,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2017 transitions. [2023-12-21 09:44:11,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-21 09:44:11,130 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:11,130 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] [2023-12-21 09:44:11,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-21 09:44:11,131 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:11,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:11,131 INFO L85 PathProgramCache]: Analyzing trace with hash 857727831, now seen corresponding path program 1 times [2023-12-21 09:44:11,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:11,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748308067] [2023-12-21 09:44:11,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:11,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-21 09:44:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 09:44:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 09:44:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 09:44:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-21 09:44:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 09:44:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 09:44:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 09:44:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 09:44:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:11,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:11,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748308067] [2023-12-21 09:44:11,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748308067] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:11,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:11,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:44:11,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975821061] [2023-12-21 09:44:11,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:11,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:44:11,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:11,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:44:11,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:44:11,274 INFO L87 Difference]: Start difference. First operand 1171 states and 2017 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2023-12-21 09:44:12,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:12,399 INFO L93 Difference]: Finished difference Result 2914 states and 5098 transitions. [2023-12-21 09:44:12,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:44:12,400 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 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 130 [2023-12-21 09:44:12,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:12,408 INFO L225 Difference]: With dead ends: 2914 [2023-12-21 09:44:12,408 INFO L226 Difference]: Without dead ends: 1853 [2023-12-21 09:44:12,411 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 [2023-12-21 09:44:12,411 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1251 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1270 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:12,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1270 Valid, 847 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-21 09:44:12,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2023-12-21 09:44:12,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 1770. [2023-12-21 09:44:12,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1770 states, 1400 states have (on average 1.6785714285714286) internal successors, (2350), 1406 states have internal predecessors, (2350), 342 states have call successors, (342), 23 states have call predecessors, (342), 27 states have return successors, (373), 340 states have call predecessors, (373), 341 states have call successors, (373) [2023-12-21 09:44:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 3065 transitions. [2023-12-21 09:44:12,461 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 3065 transitions. Word has length 130 [2023-12-21 09:44:12,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:12,462 INFO L495 AbstractCegarLoop]: Abstraction has 1770 states and 3065 transitions. [2023-12-21 09:44:12,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2023-12-21 09:44:12,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 3065 transitions. [2023-12-21 09:44:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-21 09:44:12,469 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:12,469 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] [2023-12-21 09:44:12,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-21 09:44:12,469 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:12,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:12,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2020032002, now seen corresponding path program 1 times [2023-12-21 09:44:12,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:12,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432383340] [2023-12-21 09:44:12,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:12,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 09:44:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 09:44:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 09:44:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-21 09:44:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-21 09:44:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-21 09:44:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 09:44:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:44:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-21 09:44:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:12,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:12,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432383340] [2023-12-21 09:44:12,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432383340] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:12,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:12,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:44:12,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117668147] [2023-12-21 09:44:12,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:12,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:44:12,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:12,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:44:12,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:44:12,575 INFO L87 Difference]: Start difference. First operand 1770 states and 3065 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 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) [2023-12-21 09:44:13,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:13,669 INFO L93 Difference]: Finished difference Result 4310 states and 7603 transitions. [2023-12-21 09:44:13,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:44:13,669 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 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 131 [2023-12-21 09:44:13,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:13,680 INFO L225 Difference]: With dead ends: 4310 [2023-12-21 09:44:13,680 INFO L226 Difference]: Without dead ends: 2770 [2023-12-21 09:44:13,684 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 [2023-12-21 09:44:13,684 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1251 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 425 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1270 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 425 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:13,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1270 Valid, 841 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [425 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-21 09:44:13,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2023-12-21 09:44:13,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2687. [2023-12-21 09:44:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2687 states, 2155 states have (on average 1.6830626450116009) internal successors, (3627), 2161 states have internal predecessors, (3627), 504 states have call successors, (504), 23 states have call predecessors, (504), 27 states have return successors, (551), 502 states have call predecessors, (551), 503 states have call successors, (551) [2023-12-21 09:44:13,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2687 states and 4682 transitions. [2023-12-21 09:44:13,755 INFO L78 Accepts]: Start accepts. Automaton has 2687 states and 4682 transitions. Word has length 131 [2023-12-21 09:44:13,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:13,755 INFO L495 AbstractCegarLoop]: Abstraction has 2687 states and 4682 transitions. [2023-12-21 09:44:13,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 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) [2023-12-21 09:44:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 4682 transitions. [2023-12-21 09:44:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-21 09:44:13,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:13,767 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] [2023-12-21 09:44:13,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-21 09:44:13,767 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:13,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:13,768 INFO L85 PathProgramCache]: Analyzing trace with hash -2083737848, now seen corresponding path program 1 times [2023-12-21 09:44:13,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:13,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955252261] [2023-12-21 09:44:13,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:13,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 09:44:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:44:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-21 09:44:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:44:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-21 09:44:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:44:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-21 09:44:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:44:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-21 09:44:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-21 09:44:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-21 09:44:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 09:44:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-21 09:44:13,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:13,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955252261] [2023-12-21 09:44:13,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955252261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:13,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:13,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:44:13,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938517783] [2023-12-21 09:44:13,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:13,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:44:13,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:13,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:44:13,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:44:13,872 INFO L87 Difference]: Start difference. First operand 2687 states and 4682 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) [2023-12-21 09:44:15,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:15,004 INFO L93 Difference]: Finished difference Result 6510 states and 11563 transitions. [2023-12-21 09:44:15,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:44:15,004 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 [2023-12-21 09:44:15,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:15,024 INFO L225 Difference]: With dead ends: 6510 [2023-12-21 09:44:15,024 INFO L226 Difference]: Without dead ends: 4250 [2023-12-21 09:44:15,032 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 [2023-12-21 09:44:15,033 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1250 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:15,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 841 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-21 09:44:15,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4250 states. [2023-12-21 09:44:15,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4250 to 4167. [2023-12-21 09:44:15,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4167 states, 3390 states have (on average 1.6864306784660767) internal successors, (5717), 3396 states have internal predecessors, (5717), 749 states have call successors, (749), 23 states have call predecessors, (749), 27 states have return successors, (822), 747 states have call predecessors, (822), 748 states have call successors, (822) [2023-12-21 09:44:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4167 states to 4167 states and 7288 transitions. [2023-12-21 09:44:15,176 INFO L78 Accepts]: Start accepts. Automaton has 4167 states and 7288 transitions. Word has length 150 [2023-12-21 09:44:15,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:15,176 INFO L495 AbstractCegarLoop]: Abstraction has 4167 states and 7288 transitions. [2023-12-21 09:44:15,176 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) [2023-12-21 09:44:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 4167 states and 7288 transitions. [2023-12-21 09:44:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-21 09:44:15,190 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:15,190 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] [2023-12-21 09:44:15,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-21 09:44:15,190 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:15,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:15,191 INFO L85 PathProgramCache]: Analyzing trace with hash 316400218, now seen corresponding path program 1 times [2023-12-21 09:44:15,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:15,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677742393] [2023-12-21 09:44:15,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:15,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 09:44:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:44:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 09:44:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 09:44:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:44:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 09:44:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 09:44:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-21 09:44:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 09:44:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:15,298 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:15,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:15,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677742393] [2023-12-21 09:44:15,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677742393] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:15,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:15,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:44:15,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941783300] [2023-12-21 09:44:15,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:15,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:44:15,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:15,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:44:15,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:44:15,300 INFO L87 Difference]: Start difference. First operand 4167 states and 7288 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 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) [2023-12-21 09:44:16,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:16,512 INFO L93 Difference]: Finished difference Result 10439 states and 18588 transitions. [2023-12-21 09:44:16,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:44:16,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 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 133 [2023-12-21 09:44:16,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:16,547 INFO L225 Difference]: With dead ends: 10439 [2023-12-21 09:44:16,547 INFO L226 Difference]: Without dead ends: 6922 [2023-12-21 09:44:16,559 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 [2023-12-21 09:44:16,560 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1247 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:16,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 885 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-21 09:44:16,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6922 states. [2023-12-21 09:44:16,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6922 to 6839. [2023-12-21 09:44:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6839 states, 5569 states have (on average 1.6809121924941641) internal successors, (9361), 5575 states have internal predecessors, (9361), 1242 states have call successors, (1242), 23 states have call predecessors, (1242), 27 states have return successors, (1359), 1240 states have call predecessors, (1359), 1241 states have call successors, (1359) [2023-12-21 09:44:16,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6839 states to 6839 states and 11962 transitions. [2023-12-21 09:44:16,840 INFO L78 Accepts]: Start accepts. Automaton has 6839 states and 11962 transitions. Word has length 133 [2023-12-21 09:44:16,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:16,840 INFO L495 AbstractCegarLoop]: Abstraction has 6839 states and 11962 transitions. [2023-12-21 09:44:16,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 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) [2023-12-21 09:44:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 6839 states and 11962 transitions. [2023-12-21 09:44:16,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-21 09:44:16,865 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:16,865 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] [2023-12-21 09:44:16,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-21 09:44:16,865 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:16,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:16,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1543791676, now seen corresponding path program 1 times [2023-12-21 09:44:16,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:16,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919022527] [2023-12-21 09:44:16,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:16,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 09:44:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:44:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 09:44:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-21 09:44:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-21 09:44:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-21 09:44:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-21 09:44:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 09:44:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 09:44:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:16,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:16,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919022527] [2023-12-21 09:44:16,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919022527] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:16,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:16,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:44:16,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781609055] [2023-12-21 09:44:16,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:16,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:44:16,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:16,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:44:16,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:44:16,934 INFO L87 Difference]: Start difference. First operand 6839 states and 11962 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 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) [2023-12-21 09:44:18,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:18,160 INFO L93 Difference]: Finished difference Result 17418 states and 30999 transitions. [2023-12-21 09:44:18,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:44:18,160 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 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 134 [2023-12-21 09:44:18,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:18,194 INFO L225 Difference]: With dead ends: 17418 [2023-12-21 09:44:18,195 INFO L226 Difference]: Without dead ends: 11595 [2023-12-21 09:44:18,211 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 [2023-12-21 09:44:18,212 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1240 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1259 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:18,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1259 Valid, 842 Invalid, 1586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-21 09:44:18,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11595 states. [2023-12-21 09:44:18,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11595 to 11512. [2023-12-21 09:44:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11512 states, 9420 states have (on average 1.6802547770700638) internal successors, (15828), 9426 states have internal predecessors, (15828), 2064 states have call successors, (2064), 23 states have call predecessors, (2064), 27 states have return successors, (2259), 2062 states have call predecessors, (2259), 2063 states have call successors, (2259) [2023-12-21 09:44:18,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11512 states to 11512 states and 20151 transitions. [2023-12-21 09:44:18,564 INFO L78 Accepts]: Start accepts. Automaton has 11512 states and 20151 transitions. Word has length 134 [2023-12-21 09:44:18,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:18,564 INFO L495 AbstractCegarLoop]: Abstraction has 11512 states and 20151 transitions. [2023-12-21 09:44:18,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 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) [2023-12-21 09:44:18,564 INFO L276 IsEmpty]: Start isEmpty. Operand 11512 states and 20151 transitions. [2023-12-21 09:44:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-21 09:44:18,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:18,592 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] [2023-12-21 09:44:18,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-21 09:44:18,592 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:18,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:18,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1062639868, now seen corresponding path program 1 times [2023-12-21 09:44:18,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:18,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487618244] [2023-12-21 09:44:18,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:18,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 09:44:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 09:44:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 09:44:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 09:44:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:44:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 09:44:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 09:44:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-21 09:44:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-21 09:44:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:18,667 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:18,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:18,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487618244] [2023-12-21 09:44:18,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487618244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:18,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:18,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:44:18,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708905237] [2023-12-21 09:44:18,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:18,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:44:18,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:18,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:44:18,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:44:18,669 INFO L87 Difference]: Start difference. First operand 11512 states and 20151 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 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) [2023-12-21 09:44:19,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:19,993 INFO L93 Difference]: Finished difference Result 27544 states and 48817 transitions. [2023-12-21 09:44:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:44:19,994 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 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 135 [2023-12-21 09:44:19,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:20,049 INFO L225 Difference]: With dead ends: 27544 [2023-12-21 09:44:20,049 INFO L226 Difference]: Without dead ends: 17979 [2023-12-21 09:44:20,075 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 [2023-12-21 09:44:20,075 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1239 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:20,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 817 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-21 09:44:20,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17979 states. [2023-12-21 09:44:20,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17979 to 17896. [2023-12-21 09:44:20,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17896 states, 14601 states have (on average 1.6563933977124854) internal successors, (24185), 14607 states have internal predecessors, (24185), 3267 states have call successors, (3267), 23 states have call predecessors, (3267), 27 states have return successors, (3606), 3265 states have call predecessors, (3606), 3266 states have call successors, (3606) [2023-12-21 09:44:20,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17896 states to 17896 states and 31058 transitions. [2023-12-21 09:44:20,665 INFO L78 Accepts]: Start accepts. Automaton has 17896 states and 31058 transitions. Word has length 135 [2023-12-21 09:44:20,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:20,666 INFO L495 AbstractCegarLoop]: Abstraction has 17896 states and 31058 transitions. [2023-12-21 09:44:20,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 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) [2023-12-21 09:44:20,666 INFO L276 IsEmpty]: Start isEmpty. Operand 17896 states and 31058 transitions. [2023-12-21 09:44:20,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-21 09:44:20,775 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:20,775 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] [2023-12-21 09:44:20,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-21 09:44:20,776 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:20,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:20,776 INFO L85 PathProgramCache]: Analyzing trace with hash 193270861, now seen corresponding path program 1 times [2023-12-21 09:44:20,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:20,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788003857] [2023-12-21 09:44:20,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:20,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 09:44:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 09:44:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 09:44:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 09:44:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-21 09:44:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 09:44:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-21 09:44:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-21 09:44:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-21 09:44:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-21 09:44:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-21 09:44:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-21 09:44:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:20,873 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-21 09:44:20,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:20,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788003857] [2023-12-21 09:44:20,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788003857] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:20,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:20,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:44:20,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171362057] [2023-12-21 09:44:20,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:20,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:44:20,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:20,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:44:20,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:44:20,875 INFO L87 Difference]: Start difference. First operand 17896 states and 31058 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 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) [2023-12-21 09:44:22,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:22,549 INFO L93 Difference]: Finished difference Result 47369 states and 83724 transitions. [2023-12-21 09:44:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:44:22,549 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 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 154 [2023-12-21 09:44:22,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:22,698 INFO L225 Difference]: With dead ends: 47369 [2023-12-21 09:44:22,699 INFO L226 Difference]: Without dead ends: 32012 [2023-12-21 09:44:22,738 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 [2023-12-21 09:44:22,738 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1238 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:22,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 843 Invalid, 1615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-21 09:44:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32012 states. [2023-12-21 09:44:23,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32012 to 31929. [2023-12-21 09:44:23,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31929 states, 26184 states have (on average 1.6532615337610754) internal successors, (43289), 26190 states have internal predecessors, (43289), 5717 states have call successors, (5717), 23 states have call predecessors, (5717), 27 states have return successors, (6330), 5715 states have call predecessors, (6330), 5716 states have call successors, (6330) [2023-12-21 09:44:23,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31929 states to 31929 states and 55336 transitions. [2023-12-21 09:44:23,844 INFO L78 Accepts]: Start accepts. Automaton has 31929 states and 55336 transitions. Word has length 154 [2023-12-21 09:44:23,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:23,844 INFO L495 AbstractCegarLoop]: Abstraction has 31929 states and 55336 transitions. [2023-12-21 09:44:23,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 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) [2023-12-21 09:44:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand 31929 states and 55336 transitions. [2023-12-21 09:44:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-21 09:44:23,879 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:23,879 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] [2023-12-21 09:44:23,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-21 09:44:23,879 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:23,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:23,880 INFO L85 PathProgramCache]: Analyzing trace with hash 486023590, now seen corresponding path program 1 times [2023-12-21 09:44:23,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:23,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684622026] [2023-12-21 09:44:23,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:23,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:44:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 09:44:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-21 09:44:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 09:44:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:44:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-21 09:44:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 09:44:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 09:44:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 09:44:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-21 09:44:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-21 09:44:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-21 09:44:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-21 09:44:23,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:23,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684622026] [2023-12-21 09:44:23,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684622026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:23,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:23,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:44:23,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396974098] [2023-12-21 09:44:23,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:23,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:44:23,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:23,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:44:23,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:44:23,959 INFO L87 Difference]: Start difference. First operand 31929 states and 55336 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 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) [2023-12-21 09:44:26,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:26,313 INFO L93 Difference]: Finished difference Result 87091 states and 153183 transitions. [2023-12-21 09:44:26,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:44:26,313 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 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 155 [2023-12-21 09:44:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:26,601 INFO L225 Difference]: With dead ends: 87091 [2023-12-21 09:44:26,601 INFO L226 Difference]: Without dead ends: 58560 [2023-12-21 09:44:26,648 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 [2023-12-21 09:44:26,649 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 1237 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:26,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 859 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-21 09:44:26,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58560 states. [2023-12-21 09:44:28,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58560 to 58477. [2023-12-21 09:44:28,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58477 states, 48219 states have (on average 1.6492046703581575) internal successors, (79523), 48225 states have internal predecessors, (79523), 10230 states have call successors, (10230), 23 states have call predecessors, (10230), 27 states have return successors, (11375), 10228 states have call predecessors, (11375), 10229 states have call successors, (11375) [2023-12-21 09:44:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58477 states to 58477 states and 101128 transitions. [2023-12-21 09:44:29,076 INFO L78 Accepts]: Start accepts. Automaton has 58477 states and 101128 transitions. Word has length 155 [2023-12-21 09:44:29,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:29,077 INFO L495 AbstractCegarLoop]: Abstraction has 58477 states and 101128 transitions. [2023-12-21 09:44:29,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 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) [2023-12-21 09:44:29,077 INFO L276 IsEmpty]: Start isEmpty. Operand 58477 states and 101128 transitions. [2023-12-21 09:44:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-21 09:44:29,131 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:29,131 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] [2023-12-21 09:44:29,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-21 09:44:29,131 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:29,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:29,132 INFO L85 PathProgramCache]: Analyzing trace with hash -634999347, now seen corresponding path program 1 times [2023-12-21 09:44:29,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:29,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018300354] [2023-12-21 09:44:29,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:29,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:44:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 09:44:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 09:44:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-21 09:44:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-21 09:44:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 09:44:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:44:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-21 09:44:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-21 09:44:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-21 09:44:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 09:44:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-21 09:44:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-21 09:44:29,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:29,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018300354] [2023-12-21 09:44:29,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018300354] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:29,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:29,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 09:44:29,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752568243] [2023-12-21 09:44:29,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:29,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 09:44:29,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:29,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 09:44:29,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 09:44:29,208 INFO L87 Difference]: Start difference. First operand 58477 states and 101128 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) [2023-12-21 09:44:32,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:32,155 INFO L93 Difference]: Finished difference Result 109415 states and 192994 transitions. [2023-12-21 09:44:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:44:32,155 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 [2023-12-21 09:44:32,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:32,650 INFO L225 Difference]: With dead ends: 109415 [2023-12-21 09:44:32,650 INFO L226 Difference]: Without dead ends: 109262 [2023-12-21 09:44:32,691 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 [2023-12-21 09:44:32,692 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1232 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 418 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:32,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 842 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [418 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-21 09:44:32,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109262 states. [2023-12-21 09:44:35,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109262 to 109179. [2023-12-21 09:44:35,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109179 states, 90553 states have (on average 1.6440537585723278) internal successors, (148874), 90559 states have internal predecessors, (148874), 18598 states have call successors, (18598), 23 states have call predecessors, (18598), 27 states have return successors, (20789), 18596 states have call predecessors, (20789), 18597 states have call successors, (20789) [2023-12-21 09:44:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109179 states to 109179 states and 188261 transitions. [2023-12-21 09:44:36,213 INFO L78 Accepts]: Start accepts. Automaton has 109179 states and 188261 transitions. Word has length 156 [2023-12-21 09:44:36,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:36,214 INFO L495 AbstractCegarLoop]: Abstraction has 109179 states and 188261 transitions. [2023-12-21 09:44:36,214 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) [2023-12-21 09:44:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 109179 states and 188261 transitions. [2023-12-21 09:44:36,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-21 09:44:36,570 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:36,571 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] [2023-12-21 09:44:36,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-21 09:44:36,571 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:36,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:36,571 INFO L85 PathProgramCache]: Analyzing trace with hash -255332779, now seen corresponding path program 1 times [2023-12-21 09:44:36,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:36,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204405534] [2023-12-21 09:44:36,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:36,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:44:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:44:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:44:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:44:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 09:44:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 09:44:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-21 09:44:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 09:44:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-21 09:44:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:36,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:36,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204405534] [2023-12-21 09:44:36,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204405534] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:36,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:36,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 09:44:36,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799258479] [2023-12-21 09:44:36,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:36,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 09:44:36,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:36,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 09:44:36,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:44:36,794 INFO L87 Difference]: Start difference. First operand 109179 states and 188261 transitions. Second operand has 9 states, 8 states have (on average 11.625) internal successors, (93), 4 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) [2023-12-21 09:44:39,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:39,923 INFO L93 Difference]: Finished difference Result 109403 states and 191894 transitions. [2023-12-21 09:44:39,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 09:44:39,926 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 4 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 [2023-12-21 09:44:39,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:40,533 INFO L225 Difference]: With dead ends: 109403 [2023-12-21 09:44:40,533 INFO L226 Difference]: Without dead ends: 109257 [2023-12-21 09:44:40,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2023-12-21 09:44:40,573 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1150 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 1999 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1150 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 2354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 1999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:40,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1150 Valid, 1157 Invalid, 2354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 1999 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-21 09:44:40,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109257 states. [2023-12-21 09:44:43,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109257 to 109179. [2023-12-21 09:44:43,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109179 states, 90553 states have (on average 1.6440427153158923) internal successors, (148873), 90559 states have internal predecessors, (148873), 18598 states have call successors, (18598), 23 states have call predecessors, (18598), 27 states have return successors, (20789), 18596 states have call predecessors, (20789), 18597 states have call successors, (20789) [2023-12-21 09:44:44,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109179 states to 109179 states and 188260 transitions. [2023-12-21 09:44:44,123 INFO L78 Accepts]: Start accepts. Automaton has 109179 states and 188260 transitions. Word has length 139 [2023-12-21 09:44:44,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:44,123 INFO L495 AbstractCegarLoop]: Abstraction has 109179 states and 188260 transitions. [2023-12-21 09:44:44,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 4 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) [2023-12-21 09:44:44,123 INFO L276 IsEmpty]: Start isEmpty. Operand 109179 states and 188260 transitions. [2023-12-21 09:44:44,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-21 09:44:44,190 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:44,190 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, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:44:44,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-21 09:44:44,190 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:44,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:44,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1638985848, now seen corresponding path program 1 times [2023-12-21 09:44:44,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:44,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023538205] [2023-12-21 09:44:44,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:44,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:44:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:44:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:44:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:44:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 09:44:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 09:44:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:44:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 09:44:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 09:44:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 09:44:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:44,351 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:44,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:44,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023538205] [2023-12-21 09:44:44,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023538205] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:44,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:44,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-21 09:44:44,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6790569] [2023-12-21 09:44:44,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:44,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-21 09:44:44,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:44,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-21 09:44:44,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:44:44,353 INFO L87 Difference]: Start difference. First operand 109179 states and 188260 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-21 09:44:48,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:48,053 INFO L93 Difference]: Finished difference Result 109626 states and 192246 transitions. [2023-12-21 09:44:48,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-21 09:44:48,054 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 146 [2023-12-21 09:44:48,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:48,561 INFO L225 Difference]: With dead ends: 109626 [2023-12-21 09:44:48,561 INFO L226 Difference]: Without dead ends: 109480 [2023-12-21 09:44:48,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2023-12-21 09:44:48,599 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 2223 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 2605 mSolverCounterSat, 610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2240 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 3215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 610 IncrementalHoareTripleChecker+Valid, 2605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:48,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2240 Valid, 1134 Invalid, 3215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [610 Valid, 2605 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-21 09:44:48,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109480 states. [2023-12-21 09:44:51,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109480 to 109327. [2023-12-21 09:44:51,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109327 states, 90666 states have (on average 1.6438907639026759) internal successors, (149045), 90673 states have internal predecessors, (149045), 18618 states have call successors, (18618), 36 states have call predecessors, (18618), 42 states have return successors, (20813), 18617 states have call predecessors, (20813), 18615 states have call successors, (20813) [2023-12-21 09:44:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109327 states to 109327 states and 188476 transitions. [2023-12-21 09:44:52,065 INFO L78 Accepts]: Start accepts. Automaton has 109327 states and 188476 transitions. Word has length 146 [2023-12-21 09:44:52,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:44:52,065 INFO L495 AbstractCegarLoop]: Abstraction has 109327 states and 188476 transitions. [2023-12-21 09:44:52,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-21 09:44:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 109327 states and 188476 transitions. [2023-12-21 09:44:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-21 09:44:52,132 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:44:52,132 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:44:52,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-21 09:44:52,133 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:44:52,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:44:52,133 INFO L85 PathProgramCache]: Analyzing trace with hash 764117671, now seen corresponding path program 1 times [2023-12-21 09:44:52,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:44:52,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027997572] [2023-12-21 09:44:52,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:44:52,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:44:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:44:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:44:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:44:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:44:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:44:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:44:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:44:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:44:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:44:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:44:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 09:44:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 09:44:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:44:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 09:44:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-21 09:44:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-21 09:44:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:44:52,799 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:44:52,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:44:52,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027997572] [2023-12-21 09:44:52,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027997572] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:44:52,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:44:52,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-21 09:44:52,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075144109] [2023-12-21 09:44:52,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:44:52,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-21 09:44:52,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:44:52,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-21 09:44:52,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2023-12-21 09:44:52,801 INFO L87 Difference]: Start difference. First operand 109327 states and 188476 transitions. Second operand has 18 states, 16 states have (on average 6.1875) internal successors, (99), 12 states have internal predecessors, (99), 9 states have call successors, (19), 7 states have call predecessors, (19), 2 states have return successors, (16), 7 states have call predecessors, (16), 8 states have call successors, (16) [2023-12-21 09:44:58,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:44:58,361 INFO L93 Difference]: Finished difference Result 109982 states and 192823 transitions. [2023-12-21 09:44:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-21 09:44:58,362 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.1875) internal successors, (99), 12 states have internal predecessors, (99), 9 states have call successors, (19), 7 states have call predecessors, (19), 2 states have return successors, (16), 7 states have call predecessors, (16), 8 states have call successors, (16) Word has length 147 [2023-12-21 09:44:58,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:44:58,892 INFO L225 Difference]: With dead ends: 109982 [2023-12-21 09:44:58,892 INFO L226 Difference]: Without dead ends: 109672 [2023-12-21 09:44:58,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=437, Invalid=2215, Unknown=0, NotChecked=0, Total=2652 [2023-12-21 09:44:58,931 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1700 mSDsluCounter, 2347 mSDsCounter, 0 mSdLazyCounter, 6482 mSolverCounterSat, 694 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1700 SdHoareTripleChecker+Valid, 2534 SdHoareTripleChecker+Invalid, 7176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 694 IncrementalHoareTripleChecker+Valid, 6482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:44:58,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1700 Valid, 2534 Invalid, 7176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [694 Valid, 6482 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-21 09:44:58,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109672 states. [2023-12-21 09:45:01,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109672 to 109437. [2023-12-21 09:45:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109437 states, 90742 states have (on average 1.6436931079323798) internal successors, (149152), 90752 states have internal predecessors, (149152), 18648 states have call successors, (18648), 39 states have call predecessors, (18648), 46 states have return successors, (20843), 18645 states have call predecessors, (20843), 18642 states have call successors, (20843) [2023-12-21 09:45:02,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109437 states to 109437 states and 188643 transitions. [2023-12-21 09:45:02,528 INFO L78 Accepts]: Start accepts. Automaton has 109437 states and 188643 transitions. Word has length 147 [2023-12-21 09:45:02,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:45:02,528 INFO L495 AbstractCegarLoop]: Abstraction has 109437 states and 188643 transitions. [2023-12-21 09:45:02,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.1875) internal successors, (99), 12 states have internal predecessors, (99), 9 states have call successors, (19), 7 states have call predecessors, (19), 2 states have return successors, (16), 7 states have call predecessors, (16), 8 states have call successors, (16) [2023-12-21 09:45:02,529 INFO L276 IsEmpty]: Start isEmpty. Operand 109437 states and 188643 transitions. [2023-12-21 09:45:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-21 09:45:02,673 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:45:02,674 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:45:02,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-21 09:45:02,674 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:45:02,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:45:02,675 INFO L85 PathProgramCache]: Analyzing trace with hash -825851451, now seen corresponding path program 1 times [2023-12-21 09:45:02,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:45:02,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17069] [2023-12-21 09:45:02,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:45:02,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:45:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:45:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:45:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:45:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:45:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:45:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:45:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:45:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:45:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:45:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 09:45:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 09:45:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-21 09:45:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-21 09:45:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-21 09:45:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-21 09:45:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-21 09:45:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 09:45:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-21 09:45:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 09:45:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 09:45:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-21 09:45:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-12-21 09:45:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-21 09:45:02,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:45:02,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17069] [2023-12-21 09:45:02,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17069] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:45:02,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:45:02,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-21 09:45:02,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040785198] [2023-12-21 09:45:02,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:45:02,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-21 09:45:02,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:45:02,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-21 09:45:02,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:45:02,847 INFO L87 Difference]: Start difference. First operand 109437 states and 188643 transitions. Second operand has 10 states, 10 states have (on average 11.6) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-21 09:45:08,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:45:08,876 INFO L93 Difference]: Finished difference Result 211380 states and 372129 transitions. [2023-12-21 09:45:08,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-21 09:45:08,877 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 189 [2023-12-21 09:45:08,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:45:09,696 INFO L225 Difference]: With dead ends: 211380 [2023-12-21 09:45:09,697 INFO L226 Difference]: Without dead ends: 210993 [2023-12-21 09:45:09,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=208, Invalid=548, Unknown=0, NotChecked=0, Total=756 [2023-12-21 09:45:09,776 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 2558 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 2665 mSolverCounterSat, 782 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2575 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 3447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 782 IncrementalHoareTripleChecker+Valid, 2665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-21 09:45:09,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2575 Valid, 1510 Invalid, 3447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [782 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-21 09:45:09,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210993 states. [2023-12-21 09:45:16,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210993 to 210515. [2023-12-21 09:45:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210515 states, 174627 states have (on average 1.647041980907878) internal successors, (287618), 174586 states have internal predecessors, (287618), 35798 states have call successors, (35798), 77 states have call predecessors, (35798), 89 states have return successors, (39091), 35851 states have call predecessors, (39091), 35786 states have call successors, (39091) [2023-12-21 09:45:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210515 states to 210515 states and 362507 transitions. [2023-12-21 09:45:17,694 INFO L78 Accepts]: Start accepts. Automaton has 210515 states and 362507 transitions. Word has length 189 [2023-12-21 09:45:17,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:45:17,694 INFO L495 AbstractCegarLoop]: Abstraction has 210515 states and 362507 transitions. [2023-12-21 09:45:17,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-21 09:45:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 210515 states and 362507 transitions. [2023-12-21 09:45:17,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-21 09:45:17,914 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:45:17,914 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:45:17,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-21 09:45:17,914 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:45:17,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:45:17,914 INFO L85 PathProgramCache]: Analyzing trace with hash 646671527, now seen corresponding path program 1 times [2023-12-21 09:45:17,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:45:17,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512460749] [2023-12-21 09:45:17,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:45:17,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:45:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:45:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:45:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:45:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:45:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:45:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:45:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:45:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:45:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:45:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-21 09:45:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-21 09:45:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 09:45:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-21 09:45:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 09:45:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-21 09:45:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-21 09:45:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-21 09:45:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-21 09:45:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-21 09:45:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-12-21 09:45:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-21 09:45:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-12-21 09:45:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-21 09:45:18,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:45:18,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512460749] [2023-12-21 09:45:18,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512460749] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:45:18,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:45:18,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-21 09:45:18,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019998784] [2023-12-21 09:45:18,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:45:18,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-21 09:45:18,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:45:18,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-21 09:45:18,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2023-12-21 09:45:18,105 INFO L87 Difference]: Start difference. First operand 210515 states and 362507 transitions. Second operand has 14 states, 13 states have (on average 9.0) internal successors, (117), 8 states have internal predecessors, (117), 4 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-12-21 09:45:24,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:45:24,821 INFO L93 Difference]: Finished difference Result 211670 states and 370558 transitions. [2023-12-21 09:45:24,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-21 09:45:24,822 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.0) internal successors, (117), 8 states have internal predecessors, (117), 4 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 190 [2023-12-21 09:45:24,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:45:25,614 INFO L225 Difference]: With dead ends: 211670 [2023-12-21 09:45:25,614 INFO L226 Difference]: Without dead ends: 210882 [2023-12-21 09:45:25,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=286, Invalid=974, Unknown=0, NotChecked=0, Total=1260 [2023-12-21 09:45:25,688 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 1735 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 4226 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 4704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 4226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:45:25,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 1666 Invalid, 4704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 4226 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-21 09:45:25,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210882 states. [2023-12-21 09:45:32,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210882 to 210475. [2023-12-21 09:45:33,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210475 states, 174602 states have (on average 1.6470716257545732) internal successors, (287582), 174564 states have internal predecessors, (287582), 35781 states have call successors, (35781), 76 states have call predecessors, (35781), 91 states have return successors, (39073), 35834 states have call predecessors, (39073), 35769 states have call successors, (39073) [2023-12-21 09:45:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210475 states to 210475 states and 362436 transitions. [2023-12-21 09:45:34,164 INFO L78 Accepts]: Start accepts. Automaton has 210475 states and 362436 transitions. Word has length 190 [2023-12-21 09:45:34,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:45:34,165 INFO L495 AbstractCegarLoop]: Abstraction has 210475 states and 362436 transitions. [2023-12-21 09:45:34,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.0) internal successors, (117), 8 states have internal predecessors, (117), 4 states have call successors, (25), 8 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-12-21 09:45:34,165 INFO L276 IsEmpty]: Start isEmpty. Operand 210475 states and 362436 transitions. [2023-12-21 09:45:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-21 09:45:34,371 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:45:34,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:45:34,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-21 09:45:34,371 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:45:34,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:45:34,371 INFO L85 PathProgramCache]: Analyzing trace with hash -104450923, now seen corresponding path program 1 times [2023-12-21 09:45:34,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:45:34,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903201626] [2023-12-21 09:45:34,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:45:34,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:45:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:45:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:45:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:45:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:45:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:45:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:45:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:45:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:45:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:45:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:45:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 09:45:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 09:45:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:45:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-21 09:45:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-21 09:45:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 09:45:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 09:45:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-21 09:45:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-12-21 09:45:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-12-21 09:45:34,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:45:34,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903201626] [2023-12-21 09:45:34,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903201626] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:45:34,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:45:34,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-21 09:45:34,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024066685] [2023-12-21 09:45:34,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:45:34,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-21 09:45:34,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:45:34,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-21 09:45:34,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:45:34,626 INFO L87 Difference]: Start difference. First operand 210475 states and 362436 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-21 09:45:42,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:45:42,369 INFO L93 Difference]: Finished difference Result 212810 states and 372321 transitions. [2023-12-21 09:45:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-21 09:45:42,369 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 171 [2023-12-21 09:45:42,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:45:43,278 INFO L225 Difference]: With dead ends: 212810 [2023-12-21 09:45:43,278 INFO L226 Difference]: Without dead ends: 212089 [2023-12-21 09:45:43,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2023-12-21 09:45:43,358 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 1714 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 3419 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 3852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 3419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-21 09:45:43,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1731 Valid, 1140 Invalid, 3852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 3419 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-21 09:45:43,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212089 states. [2023-12-21 09:45:50,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212089 to 211255. [2023-12-21 09:45:50,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211255 states, 175185 states have (on average 1.6464879984016896) internal successors, (288440), 175158 states have internal predecessors, (288440), 35904 states have call successors, (35904), 131 states have call predecessors, (35904), 165 states have return successors, (39215), 35965 states have call predecessors, (39215), 35880 states have call successors, (39215) [2023-12-21 09:45:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211255 states to 211255 states and 363559 transitions. [2023-12-21 09:45:51,629 INFO L78 Accepts]: Start accepts. Automaton has 211255 states and 363559 transitions. Word has length 171 [2023-12-21 09:45:51,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:45:51,629 INFO L495 AbstractCegarLoop]: Abstraction has 211255 states and 363559 transitions. [2023-12-21 09:45:51,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-21 09:45:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 211255 states and 363559 transitions. [2023-12-21 09:45:51,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-21 09:45:51,870 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:45:51,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:45:51,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-21 09:45:51,870 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:45:51,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:45:51,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1377422910, now seen corresponding path program 1 times [2023-12-21 09:45:51,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:45:51,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992239833] [2023-12-21 09:45:51,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:45:51,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:45:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:45:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:45:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:45:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:45:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:45:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:45:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:45:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:45:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:45:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:45:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-21 09:45:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-21 09:45:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:45:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-21 09:45:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-21 09:45:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-21 09:45:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-21 09:45:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-21 09:45:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-12-21 09:45:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:45:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-12-21 09:45:52,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:45:52,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992239833] [2023-12-21 09:45:52,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992239833] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:45:52,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:45:52,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-12-21 09:45:52,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399427302] [2023-12-21 09:45:52,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:45:52,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-21 09:45:52,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:45:52,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-21 09:45:52,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2023-12-21 09:45:52,419 INFO L87 Difference]: Start difference. First operand 211255 states and 363559 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 11 states have internal predecessors, (111), 8 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2023-12-21 09:45:59,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:45:59,550 INFO L93 Difference]: Finished difference Result 213255 states and 372913 transitions. [2023-12-21 09:45:59,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-21 09:45:59,551 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 11 states have internal predecessors, (111), 8 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 172 [2023-12-21 09:45:59,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:46:00,538 INFO L225 Difference]: With dead ends: 213255 [2023-12-21 09:46:00,538 INFO L226 Difference]: Without dead ends: 211789 [2023-12-21 09:46:00,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=395, Invalid=1957, Unknown=0, NotChecked=0, Total=2352 [2023-12-21 09:46:00,623 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1619 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 6209 mSolverCounterSat, 536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1619 SdHoareTripleChecker+Valid, 2382 SdHoareTripleChecker+Invalid, 6745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 536 IncrementalHoareTripleChecker+Valid, 6209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-21 09:46:00,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1619 Valid, 2382 Invalid, 6745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [536 Valid, 6209 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-21 09:46:00,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211789 states. [2023-12-21 09:46:08,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211789 to 211095. [2023-12-21 09:46:08,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211095 states, 175067 states have (on average 1.64662672005575) internal successors, (288270), 175043 states have internal predecessors, (288270), 35868 states have call successors, (35868), 126 states have call predecessors, (35868), 159 states have return successors, (39174), 35925 states have call predecessors, (39174), 35848 states have call successors, (39174) [2023-12-21 09:46:09,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211095 states to 211095 states and 363312 transitions. [2023-12-21 09:46:09,355 INFO L78 Accepts]: Start accepts. Automaton has 211095 states and 363312 transitions. Word has length 172 [2023-12-21 09:46:09,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:46:09,356 INFO L495 AbstractCegarLoop]: Abstraction has 211095 states and 363312 transitions. [2023-12-21 09:46:09,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 11 states have internal predecessors, (111), 8 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2023-12-21 09:46:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 211095 states and 363312 transitions. [2023-12-21 09:46:09,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-21 09:46:09,603 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:46:09,603 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:46:09,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-21 09:46:09,604 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:46:09,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:46:09,604 INFO L85 PathProgramCache]: Analyzing trace with hash -758155765, now seen corresponding path program 1 times [2023-12-21 09:46:09,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:46:09,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064792600] [2023-12-21 09:46:09,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:46:09,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:46:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:09,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:46:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:09,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:46:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:09,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:46:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:46:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:46:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:46:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:09,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:46:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:46:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 09:46:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-21 09:46:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 09:46:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 09:46:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-21 09:46:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 09:46:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-21 09:46:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-21 09:46:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-21 09:46:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-21 09:46:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-12-21 09:46:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-21 09:46:10,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:46:10,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064792600] [2023-12-21 09:46:10,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064792600] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:46:10,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439356371] [2023-12-21 09:46:10,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:46:10,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:46:10,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:46:10,102 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 09:46:10,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-21 09:46:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:10,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-21 09:46:10,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:46:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-21 09:46:10,780 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:46:10,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439356371] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:46:10,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:46:10,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [20] total 31 [2023-12-21 09:46:10,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937547505] [2023-12-21 09:46:10,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:46:10,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-21 09:46:10,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:46:10,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-21 09:46:10,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2023-12-21 09:46:10,782 INFO L87 Difference]: Start difference. First operand 211095 states and 363312 transitions. Second operand has 13 states, 12 states have (on average 10.666666666666666) internal successors, (128), 11 states have internal predecessors, (128), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2023-12-21 09:46:16,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:46:16,390 INFO L93 Difference]: Finished difference Result 214035 states and 367613 transitions. [2023-12-21 09:46:16,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-21 09:46:16,390 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.666666666666666) internal successors, (128), 11 states have internal predecessors, (128), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) Word has length 175 [2023-12-21 09:46:16,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:46:17,278 INFO L225 Difference]: With dead ends: 214035 [2023-12-21 09:46:17,278 INFO L226 Difference]: Without dead ends: 212845 [2023-12-21 09:46:17,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=1863, Unknown=0, NotChecked=0, Total=2070 [2023-12-21 09:46:17,353 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 802 mSDsluCounter, 5534 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 6110 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-21 09:46:17,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 6110 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-21 09:46:17,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212845 states. [2023-12-21 09:46:24,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212845 to 212661. [2023-12-21 09:46:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212661 states, 176214 states have (on average 1.645402748930278) internal successors, (289943), 176239 states have internal predecessors, (289943), 36124 states have call successors, (36124), 235 states have call predecessors, (36124), 322 states have return successors, (39544), 36186 states have call predecessors, (39544), 36084 states have call successors, (39544) [2023-12-21 09:46:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212661 states to 212661 states and 365611 transitions. [2023-12-21 09:46:26,034 INFO L78 Accepts]: Start accepts. Automaton has 212661 states and 365611 transitions. Word has length 175 [2023-12-21 09:46:26,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:46:26,034 INFO L495 AbstractCegarLoop]: Abstraction has 212661 states and 365611 transitions. [2023-12-21 09:46:26,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.666666666666666) internal successors, (128), 11 states have internal predecessors, (128), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2023-12-21 09:46:26,035 INFO L276 IsEmpty]: Start isEmpty. Operand 212661 states and 365611 transitions. [2023-12-21 09:46:26,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-21 09:46:26,288 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:46:26,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:46:26,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-21 09:46:26,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:46:26,496 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:46:26,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:46:26,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1982064921, now seen corresponding path program 1 times [2023-12-21 09:46:26,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:46:26,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001629341] [2023-12-21 09:46:26,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:46:26,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:46:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:46:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:46:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:46:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:46:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:46:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:46:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:46:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:46:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 09:46:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-21 09:46:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-21 09:46:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-21 09:46:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-21 09:46:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-21 09:46:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-21 09:46:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-21 09:46:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-21 09:46:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 09:46:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 09:46:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:26,667 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-12-21 09:46:26,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:46:26,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001629341] [2023-12-21 09:46:26,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001629341] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:46:26,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:46:26,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 09:46:26,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050351390] [2023-12-21 09:46:26,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:46:26,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 09:46:26,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:46:26,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 09:46:26,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:46:26,670 INFO L87 Difference]: Start difference. First operand 212661 states and 365611 transitions. Second operand has 9 states, 8 states have (on average 14.375) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-21 09:46:33,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:46:33,300 INFO L93 Difference]: Finished difference Result 215073 states and 375660 transitions. [2023-12-21 09:46:33,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-21 09:46:33,301 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.375) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 176 [2023-12-21 09:46:33,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:46:34,179 INFO L225 Difference]: With dead ends: 215073 [2023-12-21 09:46:34,180 INFO L226 Difference]: Without dead ends: 213657 [2023-12-21 09:46:34,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2023-12-21 09:46:34,261 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1125 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 2143 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 2447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 2143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:46:34,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 1157 Invalid, 2447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 2143 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-21 09:46:34,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213657 states. [2023-12-21 09:46:42,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213657 to 212392. [2023-12-21 09:46:42,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212392 states, 176019 states have (on average 1.6457030206966294) internal successors, (289675), 176027 states have internal predecessors, (289675), 36074 states have call successors, (36074), 225 states have call predecessors, (36074), 298 states have return successors, (39472), 36139 states have call predecessors, (39472), 36040 states have call successors, (39472) [2023-12-21 09:46:44,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212392 states to 212392 states and 365221 transitions. [2023-12-21 09:46:44,029 INFO L78 Accepts]: Start accepts. Automaton has 212392 states and 365221 transitions. Word has length 176 [2023-12-21 09:46:44,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:46:44,029 INFO L495 AbstractCegarLoop]: Abstraction has 212392 states and 365221 transitions. [2023-12-21 09:46:44,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.375) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-21 09:46:44,029 INFO L276 IsEmpty]: Start isEmpty. Operand 212392 states and 365221 transitions. [2023-12-21 09:46:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-21 09:46:44,367 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:46:44,367 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:46:44,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-21 09:46:44,367 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:46:44,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:46:44,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1545699858, now seen corresponding path program 1 times [2023-12-21 09:46:44,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:46:44,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996761367] [2023-12-21 09:46:44,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:46:44,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:46:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:46:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:46:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:46:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:46:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:46:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:46:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:46:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:46:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 09:46:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-21 09:46:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-21 09:46:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 09:46:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-21 09:46:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-21 09:46:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-21 09:46:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-21 09:46:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-21 09:46:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 09:46:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:44,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 09:46:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:45,001 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-21 09:46:45,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:46:45,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996761367] [2023-12-21 09:46:45,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996761367] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:46:45,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577345679] [2023-12-21 09:46:45,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:46:45,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:46:45,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:46:45,003 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 09:46:45,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-21 09:46:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:46:45,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-21 09:46:45,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:46:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-21 09:46:45,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 09:46:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:46:45,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577345679] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 09:46:45,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 09:46:45,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 39 [2023-12-21 09:46:45,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112451694] [2023-12-21 09:46:45,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 09:46:45,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-12-21 09:46:45,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:46:45,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-12-21 09:46:45,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1388, Unknown=0, NotChecked=0, Total=1482 [2023-12-21 09:46:45,931 INFO L87 Difference]: Start difference. First operand 212392 states and 365221 transitions. Second operand has 39 states, 38 states have (on average 8.131578947368421) internal successors, (309), 31 states have internal predecessors, (309), 10 states have call successors, (61), 14 states have call predecessors, (61), 13 states have return successors, (52), 13 states have call predecessors, (52), 10 states have call successors, (52) [2023-12-21 09:47:13,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:47:13,812 INFO L93 Difference]: Finished difference Result 436261 states and 772091 transitions. [2023-12-21 09:47:13,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2023-12-21 09:47:13,813 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 8.131578947368421) internal successors, (309), 31 states have internal predecessors, (309), 10 states have call successors, (61), 14 states have call predecessors, (61), 13 states have return successors, (52), 13 states have call predecessors, (52), 10 states have call successors, (52) Word has length 176 [2023-12-21 09:47:13,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:47:15,921 INFO L225 Difference]: With dead ends: 436261 [2023-12-21 09:47:15,921 INFO L226 Difference]: Without dead ends: 433655 [2023-12-21 09:47:16,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13718 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=4697, Invalid=35503, Unknown=0, NotChecked=0, Total=40200 [2023-12-21 09:47:16,326 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 9045 mSDsluCounter, 4452 mSDsCounter, 0 mSdLazyCounter, 20434 mSolverCounterSat, 2299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9048 SdHoareTripleChecker+Valid, 4611 SdHoareTripleChecker+Invalid, 22733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2299 IncrementalHoareTripleChecker+Valid, 20434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:47:16,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9048 Valid, 4611 Invalid, 22733 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2299 Valid, 20434 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-12-21 09:47:16,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433655 states.