/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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:34:39,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:34:39,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 05:34:39,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:34:39,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:34:39,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:34:39,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:34:39,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:34:39,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:34:39,922 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:34:39,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:34:39,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:34:39,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:34:39,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:34:39,924 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:34:39,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:34:39,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:34:39,924 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:34:39,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:34:39,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:34:39,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:34:39,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:34:39,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:34:39,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:34:39,925 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:34:39,926 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:34:39,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:34:39,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:34:39,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:34:39,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:34:39,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:34:39,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:34:39,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:34:39,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:34:39,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:34:39,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:34:39,928 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:34:39,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:34:39,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:34:39,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:34:39,928 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:34:39,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:34:39,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:34:39,928 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:34:40,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:34:40,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:34:40,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:34:40,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:34:40,153 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:34:40,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product29.cil.c [2023-12-16 05:34:41,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:34:41,406 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:34:41,407 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product29.cil.c [2023-12-16 05:34:41,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/027cf5fe8/caedb206a5f242ffbe75a676e77e3d79/FLAGc1f8833a6 [2023-12-16 05:34:41,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/027cf5fe8/caedb206a5f242ffbe75a676e77e3d79 [2023-12-16 05:34:41,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:34:41,443 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:34:41,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:34:41,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:34:41,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:34:41,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:34:41" (1/1) ... [2023-12-16 05:34:41,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a409c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:41, skipping insertion in model container [2023-12-16 05:34:41,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:34:41" (1/1) ... [2023-12-16 05:34:41,502 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:34:41,838 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_product29.cil.c[37973,37986] [2023-12-16 05:34:41,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:34:41,999 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:34:42,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2023-12-16 05:34:42,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [414] [2023-12-16 05:34:42,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1494] [2023-12-16 05:34:42,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1543] [2023-12-16 05:34:42,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1561] [2023-12-16 05:34:42,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1570] [2023-12-16 05:34:42,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1718] [2023-12-16 05:34:42,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1943] [2023-12-16 05:34:42,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2320] [2023-12-16 05:34:42,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2717] [2023-12-16 05:34:42,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2995] [2023-12-16 05:34:42,069 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_product29.cil.c[37973,37986] [2023-12-16 05:34:42,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:34:42,140 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:34:42,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42 WrapperNode [2023-12-16 05:34:42,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:34:42,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:34:42,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:34:42,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:34:42,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,231 INFO L138 Inliner]: procedures = 131, calls = 212, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 918 [2023-12-16 05:34:42,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:34:42,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:34:42,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:34:42,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:34:42,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,260 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,285 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2023-12-16 05:34:42,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:34:42,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:34:42,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:34:42,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:34:42,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (1/1) ... [2023-12-16 05:34:42,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:34:42,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:42,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 05:34:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-16 05:34:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-16 05:34:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-16 05:34:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-16 05:34:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-16 05:34:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-16 05:34:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-16 05:34:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-16 05:34:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-16 05:34:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-16 05:34:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-16 05:34:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-16 05:34:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-16 05:34:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-16 05:34:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-16 05:34:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-16 05:34:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-16 05:34:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-16 05:34:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-16 05:34:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-16 05:34:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-16 05:34:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-16 05:34:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-16 05:34:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-16 05:34:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-16 05:34:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-16 05:34:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-16 05:34:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-16 05:34:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:34:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-16 05:34:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-16 05:34:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-16 05:34:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-16 05:34:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-16 05:34:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-16 05:34:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-16 05:34:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-16 05:34:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-16 05:34:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-16 05:34:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-16 05:34:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-16 05:34:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-12-16 05:34:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-12-16 05:34:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-12-16 05:34:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-12-16 05:34:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-16 05:34:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-16 05:34:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-16 05:34:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-16 05:34:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-16 05:34:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-16 05:34:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-16 05:34:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-16 05:34:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-16 05:34:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-16 05:34:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:34:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 05:34:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 05:34:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 05:34:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-16 05:34:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-16 05:34:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-16 05:34:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-16 05:34:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:34:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:34:42,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 05:34:42,605 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:34:42,608 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:34:43,226 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:34:43,270 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:34:43,270 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 05:34:43,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:34:43 BoogieIcfgContainer [2023-12-16 05:34:43,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:34:43,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:34:43,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:34:43,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:34:43,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:34:41" (1/3) ... [2023-12-16 05:34:43,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ec66c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:34:43, skipping insertion in model container [2023-12-16 05:34:43,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:42" (2/3) ... [2023-12-16 05:34:43,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ec66c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:34:43, skipping insertion in model container [2023-12-16 05:34:43,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:34:43" (3/3) ... [2023-12-16 05:34:43,279 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product29.cil.c [2023-12-16 05:34:43,291 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:34:43,291 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:34:43,338 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:34:43,342 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;@22a2de50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:34:43,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:34:43,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 390 states, 295 states have (on average 1.6) internal successors, (472), 300 states have internal predecessors, (472), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-16 05:34:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-16 05:34:43,385 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:43,385 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:43,386 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:43,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:43,390 INFO L85 PathProgramCache]: Analyzing trace with hash -220865895, now seen corresponding path program 1 times [2023-12-16 05:34:43,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:43,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873660225] [2023-12-16 05:34:43,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:43,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:34:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:34:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:34:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-16 05:34:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-16 05:34:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:34:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:34:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:34:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:34:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:34:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:34:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:34:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:34:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:34:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-16 05:34:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-16 05:34:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-16 05:34:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-16 05:34:44,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:44,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873660225] [2023-12-16 05:34:44,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873660225] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:44,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632686059] [2023-12-16 05:34:44,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:44,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:44,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:44,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:34:44,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 05:34:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 05:34:44,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-16 05:34:44,364 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:34:44,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632686059] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:44,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:34:44,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-16 05:34:44,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596822078] [2023-12-16 05:34:44,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:44,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:34:44,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:44,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:34:44,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:34:44,404 INFO L87 Difference]: Start difference. First operand has 390 states, 295 states have (on average 1.6) internal successors, (472), 300 states have internal predecessors, (472), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) Second operand has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:34:44,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:44,506 INFO L93 Difference]: Finished difference Result 600 states and 906 transitions. [2023-12-16 05:34:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:34:44,522 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 145 [2023-12-16 05:34:44,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:44,531 INFO L225 Difference]: With dead ends: 600 [2023-12-16 05:34:44,531 INFO L226 Difference]: Without dead ends: 387 [2023-12-16 05:34:44,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:34:44,543 INFO L413 NwaCegarLoop]: 584 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, 584 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 [2023-12-16 05:34:44,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 584 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:34:44,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2023-12-16 05:34:44,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2023-12-16 05:34:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 293 states have (on average 1.5870307167235496) internal successors, (465), 297 states have internal predecessors, (465), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2023-12-16 05:34:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 592 transitions. [2023-12-16 05:34:44,608 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 592 transitions. Word has length 145 [2023-12-16 05:34:44,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:44,609 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 592 transitions. [2023-12-16 05:34:44,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:34:44,610 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 592 transitions. [2023-12-16 05:34:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-16 05:34:44,614 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:44,614 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:44,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 05:34:44,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-16 05:34:44,817 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:44,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:44,818 INFO L85 PathProgramCache]: Analyzing trace with hash 331696698, now seen corresponding path program 1 times [2023-12-16 05:34:44,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:44,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408444885] [2023-12-16 05:34:44,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:44,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:34:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:34:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:34:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-16 05:34:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:34:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:34:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:34:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:34:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:34:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:34:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:34:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:34:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:34:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:34:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:34:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-16 05:34:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:34:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-16 05:34:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-16 05:34:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-16 05:34:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-16 05:34:45,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:45,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408444885] [2023-12-16 05:34:45,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408444885] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:45,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204879621] [2023-12-16 05:34:45,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:45,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:45,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:45,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:34:45,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 05:34:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 05:34:45,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-12-16 05:34:45,445 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:34:45,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204879621] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:45,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:34:45,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:34:45,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076459600] [2023-12-16 05:34:45,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:45,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:34:45,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:45,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:34:45,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:34:45,448 INFO L87 Difference]: Start difference. First operand 387 states and 592 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:34:45,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:45,510 INFO L93 Difference]: Finished difference Result 596 states and 890 transitions. [2023-12-16 05:34:45,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:34:45,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 164 [2023-12-16 05:34:45,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:45,520 INFO L225 Difference]: With dead ends: 596 [2023-12-16 05:34:45,520 INFO L226 Difference]: Without dead ends: 389 [2023-12-16 05:34:45,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:34:45,524 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 0 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1161 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 [2023-12-16 05:34:45,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1161 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:34:45,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2023-12-16 05:34:45,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2023-12-16 05:34:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 295 states have (on average 1.583050847457627) internal successors, (467), 299 states have internal predecessors, (467), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2023-12-16 05:34:45,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 594 transitions. [2023-12-16 05:34:45,555 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 594 transitions. Word has length 164 [2023-12-16 05:34:45,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:45,556 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 594 transitions. [2023-12-16 05:34:45,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:34:45,556 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 594 transitions. [2023-12-16 05:34:45,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-16 05:34:45,559 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:45,559 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-12-16 05:34:45,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 05:34:45,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-16 05:34:45,767 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:45,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:45,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1226067995, now seen corresponding path program 1 times [2023-12-16 05:34:45,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:45,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584291889] [2023-12-16 05:34:45,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:45,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:34:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:34:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:34:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:34:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-16 05:34:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:34:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:34:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:34:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:34:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:34:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:34:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:34:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:34:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:34:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 05:34:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-16 05:34:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-16 05:34:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-16 05:34:45,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:45,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584291889] [2023-12-16 05:34:45,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584291889] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:45,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107033068] [2023-12-16 05:34:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:45,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:45,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:45,992 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:34:46,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 05:34:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:34:46,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-16 05:34:46,271 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:34:46,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107033068] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:46,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:34:46,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:34:46,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520551277] [2023-12-16 05:34:46,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:46,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:34:46,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:46,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:34:46,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:34:46,274 INFO L87 Difference]: Start difference. First operand 389 states and 594 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:34:46,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:46,324 INFO L93 Difference]: Finished difference Result 822 states and 1273 transitions. [2023-12-16 05:34:46,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:34:46,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 151 [2023-12-16 05:34:46,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:46,326 INFO L225 Difference]: With dead ends: 822 [2023-12-16 05:34:46,326 INFO L226 Difference]: Without dead ends: 455 [2023-12-16 05:34:46,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:34:46,329 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 122 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:46,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1138 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:34:46,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2023-12-16 05:34:46,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 450. [2023-12-16 05:34:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 342 states have (on average 1.5994152046783625) internal successors, (547), 346 states have internal predecessors, (547), 78 states have call successors, (78), 29 states have call predecessors, (78), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2023-12-16 05:34:46,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 702 transitions. [2023-12-16 05:34:46,360 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 702 transitions. Word has length 151 [2023-12-16 05:34:46,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:46,361 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 702 transitions. [2023-12-16 05:34:46,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:34:46,361 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 702 transitions. [2023-12-16 05:34:46,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-16 05:34:46,365 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:46,365 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 05:34:46,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 05:34:46,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:46,575 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:46,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:46,575 INFO L85 PathProgramCache]: Analyzing trace with hash 410066504, now seen corresponding path program 1 times [2023-12-16 05:34:46,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:46,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951599480] [2023-12-16 05:34:46,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:46,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:34:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:34:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:34:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-16 05:34:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-16 05:34:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:34:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:34:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:34:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:34:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:34:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:34:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:34:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:34:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:34:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-16 05:34:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-16 05:34:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:34:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-16 05:34:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-16 05:34:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-16 05:34:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:46,764 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-16 05:34:46,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:46,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951599480] [2023-12-16 05:34:46,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951599480] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:46,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557805269] [2023-12-16 05:34:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:46,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:46,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:46,765 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:34:46,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 05:34:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 05:34:47,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-16 05:34:47,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:34:47,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557805269] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:47,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:34:47,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-16 05:34:47,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629098076] [2023-12-16 05:34:47,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:47,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:34:47,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:47,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:34:47,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:34:47,117 INFO L87 Difference]: Start difference. First operand 450 states and 702 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-16 05:34:47,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:47,207 INFO L93 Difference]: Finished difference Result 895 states and 1398 transitions. [2023-12-16 05:34:47,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:34:47,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 170 [2023-12-16 05:34:47,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:47,211 INFO L225 Difference]: With dead ends: 895 [2023-12-16 05:34:47,211 INFO L226 Difference]: Without dead ends: 452 [2023-12-16 05:34:47,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:34:47,217 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 8 mSDsluCounter, 1705 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2277 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 [2023-12-16 05:34:47,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2277 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:34:47,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2023-12-16 05:34:47,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2023-12-16 05:34:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 343 states have (on average 1.597667638483965) internal successors, (548), 348 states have internal predecessors, (548), 78 states have call successors, (78), 29 states have call predecessors, (78), 30 states have return successors, (79), 76 states have call predecessors, (79), 77 states have call successors, (79) [2023-12-16 05:34:47,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 705 transitions. [2023-12-16 05:34:47,241 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 705 transitions. Word has length 170 [2023-12-16 05:34:47,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:47,241 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 705 transitions. [2023-12-16 05:34:47,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-16 05:34:47,241 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 705 transitions. [2023-12-16 05:34:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-16 05:34:47,243 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:47,244 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2023-12-16 05:34:47,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-16 05:34:47,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:47,451 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:47,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:47,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1466475455, now seen corresponding path program 1 times [2023-12-16 05:34:47,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:47,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489314277] [2023-12-16 05:34:47,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:47,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-16 05:34:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-16 05:34:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 05:34:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:34:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:34:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:34:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:34:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:34:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:34:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:34:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:34:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:34:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:34:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-16 05:34:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-16 05:34:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-12-16 05:34:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-16 05:34:47,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:47,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489314277] [2023-12-16 05:34:47,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489314277] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:47,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970829998] [2023-12-16 05:34:47,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:47,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:47,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:47,665 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:34:47,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 05:34:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 05:34:47,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:47,957 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:34:47,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:34:47,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970829998] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:47,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:34:47,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-16 05:34:47,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881608970] [2023-12-16 05:34:47,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:47,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:34:47,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:47,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:34:47,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:34:47,960 INFO L87 Difference]: Start difference. First operand 452 states and 705 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-16 05:34:48,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:48,033 INFO L93 Difference]: Finished difference Result 897 states and 1403 transitions. [2023-12-16 05:34:48,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:34:48,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 153 [2023-12-16 05:34:48,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:48,036 INFO L225 Difference]: With dead ends: 897 [2023-12-16 05:34:48,036 INFO L226 Difference]: Without dead ends: 454 [2023-12-16 05:34:48,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-16 05:34:48,038 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 8 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2263 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 [2023-12-16 05:34:48,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2263 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:34:48,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-12-16 05:34:48,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2023-12-16 05:34:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 344 states have (on average 1.5959302325581395) internal successors, (549), 350 states have internal predecessors, (549), 78 states have call successors, (78), 29 states have call predecessors, (78), 31 states have return successors, (84), 76 states have call predecessors, (84), 77 states have call successors, (84) [2023-12-16 05:34:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 711 transitions. [2023-12-16 05:34:48,055 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 711 transitions. Word has length 153 [2023-12-16 05:34:48,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:48,055 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 711 transitions. [2023-12-16 05:34:48,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-16 05:34:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 711 transitions. [2023-12-16 05:34:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-16 05:34:48,058 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:48,058 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:48,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-16 05:34:48,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:48,265 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:48,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:48,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1900570979, now seen corresponding path program 1 times [2023-12-16 05:34:48,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:48,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121778818] [2023-12-16 05:34:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:48,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-16 05:34:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 05:34:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:34:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:34:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:34:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:34:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:34:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:34:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:34:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:34:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:34:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:34:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-16 05:34:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-16 05:34:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-16 05:34:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-16 05:34:48,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:48,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121778818] [2023-12-16 05:34:48,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121778818] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:48,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:48,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:34:48,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2476917] [2023-12-16 05:34:48,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:48,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:34:48,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:48,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:34:48,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:34:48,436 INFO L87 Difference]: Start difference. First operand 454 states and 711 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-16 05:34:50,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:50,158 INFO L93 Difference]: Finished difference Result 980 states and 1557 transitions. [2023-12-16 05:34:50,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:34:50,159 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 154 [2023-12-16 05:34:50,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:50,162 INFO L225 Difference]: With dead ends: 980 [2023-12-16 05:34:50,162 INFO L226 Difference]: Without dead ends: 545 [2023-12-16 05:34:50,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:34:50,164 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1367 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2454 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 2928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 2454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:50,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 1146 Invalid, 2928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 2454 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 05:34:50,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2023-12-16 05:34:50,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 454. [2023-12-16 05:34:50,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 344 states have (on average 1.5959302325581395) internal successors, (549), 350 states have internal predecessors, (549), 78 states have call successors, (78), 29 states have call predecessors, (78), 31 states have return successors, (83), 76 states have call predecessors, (83), 77 states have call successors, (83) [2023-12-16 05:34:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 710 transitions. [2023-12-16 05:34:50,185 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 710 transitions. Word has length 154 [2023-12-16 05:34:50,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:50,186 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 710 transitions. [2023-12-16 05:34:50,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-16 05:34:50,186 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 710 transitions. [2023-12-16 05:34:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-16 05:34:50,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:50,188 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 05:34:50,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 05:34:50,188 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:50,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:50,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1356811908, now seen corresponding path program 1 times [2023-12-16 05:34:50,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:50,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595900472] [2023-12-16 05:34:50,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:50,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-16 05:34:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 05:34:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:34:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:34:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:34:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:34:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:34:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:34:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:34:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:34:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:34:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-16 05:34:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 05:34:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-16 05:34:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:34:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-16 05:34:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 05:34:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-16 05:34:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-16 05:34:50,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:50,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595900472] [2023-12-16 05:34:50,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595900472] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:50,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:50,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:34:50,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900503613] [2023-12-16 05:34:50,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:50,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:34:50,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:50,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:34:50,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:34:50,353 INFO L87 Difference]: Start difference. First operand 454 states and 710 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-16 05:34:51,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:51,861 INFO L93 Difference]: Finished difference Result 982 states and 1560 transitions. [2023-12-16 05:34:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:34:51,862 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 173 [2023-12-16 05:34:51,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:51,864 INFO L225 Difference]: With dead ends: 982 [2023-12-16 05:34:51,864 INFO L226 Difference]: Without dead ends: 547 [2023-12-16 05:34:51,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:34:51,866 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 1386 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2426 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1387 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 2904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 2426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:51,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1387 Valid, 1145 Invalid, 2904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 2426 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:34:51,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-12-16 05:34:51,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 456. [2023-12-16 05:34:51,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 345 states have (on average 1.5942028985507246) internal successors, (550), 352 states have internal predecessors, (550), 78 states have call successors, (78), 29 states have call predecessors, (78), 32 states have return successors, (85), 76 states have call predecessors, (85), 77 states have call successors, (85) [2023-12-16 05:34:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 713 transitions. [2023-12-16 05:34:51,891 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 713 transitions. Word has length 173 [2023-12-16 05:34:51,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:51,891 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 713 transitions. [2023-12-16 05:34:51,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-16 05:34:51,891 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 713 transitions. [2023-12-16 05:34:51,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-16 05:34:51,893 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:51,893 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 05:34:51,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 05:34:51,893 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:51,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:51,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1143919682, now seen corresponding path program 1 times [2023-12-16 05:34:51,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:51,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437497223] [2023-12-16 05:34:51,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:51,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-16 05:34:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-16 05:34:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:34:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:34:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:34:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:34:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:34:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:34:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:34:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:34:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-16 05:34:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-16 05:34:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-16 05:34:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:34:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-16 05:34:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-16 05:34:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-16 05:34:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:52,073 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-16 05:34:52,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:52,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437497223] [2023-12-16 05:34:52,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437497223] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:52,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:52,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:34:52,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085404927] [2023-12-16 05:34:52,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:52,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:34:52,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:52,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:34:52,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:34:52,075 INFO L87 Difference]: Start difference. First operand 456 states and 713 transitions. Second operand has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 8 states have internal predecessors, (101), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-12-16 05:34:54,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:54,329 INFO L93 Difference]: Finished difference Result 980 states and 1555 transitions. [2023-12-16 05:34:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:34:54,330 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 8 states have internal predecessors, (101), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 174 [2023-12-16 05:34:54,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:54,333 INFO L225 Difference]: With dead ends: 980 [2023-12-16 05:34:54,333 INFO L226 Difference]: Without dead ends: 547 [2023-12-16 05:34:54,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-16 05:34:54,334 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 1402 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 4032 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1403 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 4524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 4032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:54,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1403 Valid, 1586 Invalid, 4524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 4032 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-16 05:34:54,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-12-16 05:34:54,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 456. [2023-12-16 05:34:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 345 states have (on average 1.5942028985507246) internal successors, (550), 352 states have internal predecessors, (550), 78 states have call successors, (78), 29 states have call predecessors, (78), 32 states have return successors, (84), 76 states have call predecessors, (84), 77 states have call successors, (84) [2023-12-16 05:34:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 712 transitions. [2023-12-16 05:34:54,355 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 712 transitions. Word has length 174 [2023-12-16 05:34:54,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:54,355 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 712 transitions. [2023-12-16 05:34:54,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 8 states have internal predecessors, (101), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-12-16 05:34:54,355 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 712 transitions. [2023-12-16 05:34:54,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-16 05:34:54,357 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:54,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:54,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 05:34:54,357 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:54,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:54,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1792784792, now seen corresponding path program 1 times [2023-12-16 05:34:54,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:54,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083573168] [2023-12-16 05:34:54,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:54,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-16 05:34:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-16 05:34:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:34:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:34:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:34:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:34:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:34:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:34:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:34:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-16 05:34:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:34:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-16 05:34:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-16 05:34:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-16 05:34:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:54,527 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-16 05:34:54,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:54,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083573168] [2023-12-16 05:34:54,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083573168] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:54,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:54,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:34:54,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002100657] [2023-12-16 05:34:54,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:54,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:34:54,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:54,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:34:54,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:34:54,529 INFO L87 Difference]: Start difference. First operand 456 states and 712 transitions. Second operand has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-16 05:34:56,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:56,699 INFO L93 Difference]: Finished difference Result 982 states and 1561 transitions. [2023-12-16 05:34:56,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:34:56,700 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 157 [2023-12-16 05:34:56,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:56,703 INFO L225 Difference]: With dead ends: 982 [2023-12-16 05:34:56,703 INFO L226 Difference]: Without dead ends: 549 [2023-12-16 05:34:56,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-16 05:34:56,706 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 1421 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 3975 mSolverCounterSat, 506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1422 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 4481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 3975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:56,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1422 Valid, 1586 Invalid, 4481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 3975 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-16 05:34:56,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2023-12-16 05:34:56,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 458. [2023-12-16 05:34:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 346 states have (on average 1.592485549132948) internal successors, (551), 354 states have internal predecessors, (551), 78 states have call successors, (78), 29 states have call predecessors, (78), 33 states have return successors, (89), 76 states have call predecessors, (89), 77 states have call successors, (89) [2023-12-16 05:34:56,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 718 transitions. [2023-12-16 05:34:56,727 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 718 transitions. Word has length 157 [2023-12-16 05:34:56,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:56,728 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 718 transitions. [2023-12-16 05:34:56,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-16 05:34:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 718 transitions. [2023-12-16 05:34:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-16 05:34:56,730 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:56,730 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:56,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 05:34:56,730 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:56,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:56,731 INFO L85 PathProgramCache]: Analyzing trace with hash -682449863, now seen corresponding path program 1 times [2023-12-16 05:34:56,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:56,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247668148] [2023-12-16 05:34:56,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:56,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:34:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-16 05:34:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:34:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:34:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:34:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:34:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:34:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:34:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:34:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-16 05:34:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:34:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-16 05:34:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-16 05:34:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-16 05:34:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:56,872 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-16 05:34:56,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:56,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247668148] [2023-12-16 05:34:56,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247668148] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:56,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375547306] [2023-12-16 05:34:56,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:56,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:56,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:56,874 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:34:56,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 05:34:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:57,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 1227 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:34:57,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:57,124 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-16 05:34:57,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:34:57,192 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-16 05:34:57,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375547306] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 05:34:57,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 05:34:57,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-12-16 05:34:57,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109106401] [2023-12-16 05:34:57,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 05:34:57,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 05:34:57,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:57,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 05:34:57,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-16 05:34:57,195 INFO L87 Difference]: Start difference. First operand 458 states and 718 transitions. Second operand has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-12-16 05:34:58,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:58,757 INFO L93 Difference]: Finished difference Result 1156 states and 1917 transitions. [2023-12-16 05:34:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 05:34:58,758 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 158 [2023-12-16 05:34:58,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:58,762 INFO L225 Difference]: With dead ends: 1156 [2023-12-16 05:34:58,762 INFO L226 Difference]: Without dead ends: 949 [2023-12-16 05:34:58,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:34:58,764 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 1906 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 644 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1963 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 2708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 644 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:58,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1963 Valid, 1387 Invalid, 2708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [644 Valid, 2064 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:34:58,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2023-12-16 05:34:58,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 843. [2023-12-16 05:34:58,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 652 states have (on average 1.6503067484662577) internal successors, (1076), 660 states have internal predecessors, (1076), 157 states have call successors, (157), 29 states have call predecessors, (157), 33 states have return successors, (178), 155 states have call predecessors, (178), 156 states have call successors, (178) [2023-12-16 05:34:58,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1411 transitions. [2023-12-16 05:34:58,811 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1411 transitions. Word has length 158 [2023-12-16 05:34:58,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:58,812 INFO L495 AbstractCegarLoop]: Abstraction has 843 states and 1411 transitions. [2023-12-16 05:34:58,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-12-16 05:34:58,812 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1411 transitions. [2023-12-16 05:34:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-16 05:34:58,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:58,816 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 05:34:58,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-16 05:34:59,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:59,025 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:59,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:59,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1998372832, now seen corresponding path program 1 times [2023-12-16 05:34:59,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:59,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966576788] [2023-12-16 05:34:59,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:59,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:34:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:34:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:34:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:34:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:34:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:34:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:34:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:34:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:34:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-16 05:34:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-16 05:34:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-16 05:34:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-16 05:34:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:34:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-16 05:34:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-16 05:34:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-16 05:34:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-16 05:34:59,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:59,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966576788] [2023-12-16 05:34:59,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966576788] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:59,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:59,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:34:59,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545188884] [2023-12-16 05:34:59,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:59,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:34:59,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:59,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:34:59,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:34:59,117 INFO L87 Difference]: Start difference. First operand 843 states and 1411 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:00,419 INFO L93 Difference]: Finished difference Result 2104 states and 3612 transitions. [2023-12-16 05:35:00,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:00,419 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 182 [2023-12-16 05:35:00,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:00,426 INFO L225 Difference]: With dead ends: 2104 [2023-12-16 05:35:00,426 INFO L226 Difference]: Without dead ends: 1321 [2023-12-16 05:35:00,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:00,429 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1459 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 1943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 530 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:00,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 901 Invalid, 1943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [530 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:35:00,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2023-12-16 05:35:00,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1225. [2023-12-16 05:35:00,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 955 states have (on average 1.66282722513089) internal successors, (1588), 963 states have internal predecessors, (1588), 236 states have call successors, (236), 29 states have call predecessors, (236), 33 states have return successors, (267), 234 states have call predecessors, (267), 235 states have call successors, (267) [2023-12-16 05:35:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 2091 transitions. [2023-12-16 05:35:00,512 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 2091 transitions. Word has length 182 [2023-12-16 05:35:00,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:00,512 INFO L495 AbstractCegarLoop]: Abstraction has 1225 states and 2091 transitions. [2023-12-16 05:35:00,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:00,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 2091 transitions. [2023-12-16 05:35:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-16 05:35:00,518 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:00,518 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 05:35:00,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 05:35:00,518 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:00,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:00,518 INFO L85 PathProgramCache]: Analyzing trace with hash 2082934292, now seen corresponding path program 1 times [2023-12-16 05:35:00,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:00,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911731862] [2023-12-16 05:35:00,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:00,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:35:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:35:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:35:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:35:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:35:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:35:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:35:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:35:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:35:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-16 05:35:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-16 05:35:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-16 05:35:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-16 05:35:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:35:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-16 05:35:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-12-16 05:35:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-12-16 05:35:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-16 05:35:00,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:00,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911731862] [2023-12-16 05:35:00,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911731862] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:00,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:00,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:35:00,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356469465] [2023-12-16 05:35:00,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:00,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:35:00,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:00,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:35:00,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:35:00,620 INFO L87 Difference]: Start difference. First operand 1225 states and 2091 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:01,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:01,929 INFO L93 Difference]: Finished difference Result 3035 states and 5268 transitions. [2023-12-16 05:35:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:01,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 183 [2023-12-16 05:35:01,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:01,938 INFO L225 Difference]: With dead ends: 3035 [2023-12-16 05:35:01,938 INFO L226 Difference]: Without dead ends: 1920 [2023-12-16 05:35:01,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:01,943 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1517 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 570 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:01,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1538 Valid, 842 Invalid, 1865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [570 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:35:01,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states. [2023-12-16 05:35:02,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 1824. [2023-12-16 05:35:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1824 states, 1435 states have (on average 1.6710801393728223) internal successors, (2398), 1443 states have internal predecessors, (2398), 355 states have call successors, (355), 29 states have call predecessors, (355), 33 states have return successors, (386), 353 states have call predecessors, (386), 354 states have call successors, (386) [2023-12-16 05:35:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 3139 transitions. [2023-12-16 05:35:02,026 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 3139 transitions. Word has length 183 [2023-12-16 05:35:02,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:02,026 INFO L495 AbstractCegarLoop]: Abstraction has 1824 states and 3139 transitions. [2023-12-16 05:35:02,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 3139 transitions. [2023-12-16 05:35:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-16 05:35:02,034 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:02,035 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 05:35:02,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 05:35:02,035 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:02,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:02,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1946428990, now seen corresponding path program 1 times [2023-12-16 05:35:02,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:02,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634627241] [2023-12-16 05:35:02,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:02,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:35:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:35:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:35:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:35:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:35:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:35:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:35:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:35:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:35:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-16 05:35:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-16 05:35:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-16 05:35:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-16 05:35:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:35:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-12-16 05:35:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-16 05:35:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-12-16 05:35:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-16 05:35:02,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:02,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634627241] [2023-12-16 05:35:02,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634627241] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:02,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:02,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:35:02,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390394369] [2023-12-16 05:35:02,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:02,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:35:02,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:02,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:35:02,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:35:02,117 INFO L87 Difference]: Start difference. First operand 1824 states and 3139 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:03,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:03,348 INFO L93 Difference]: Finished difference Result 4431 states and 7773 transitions. [2023-12-16 05:35:03,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:03,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 184 [2023-12-16 05:35:03,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:03,359 INFO L225 Difference]: With dead ends: 4431 [2023-12-16 05:35:03,360 INFO L226 Difference]: Without dead ends: 2837 [2023-12-16 05:35:03,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:03,364 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1477 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 1895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:03,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 843 Invalid, 1895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:35:03,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2837 states. [2023-12-16 05:35:03,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2837 to 2741. [2023-12-16 05:35:03,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2741 states, 2190 states have (on average 1.678082191780822) internal successors, (3675), 2198 states have internal predecessors, (3675), 517 states have call successors, (517), 29 states have call predecessors, (517), 33 states have return successors, (564), 515 states have call predecessors, (564), 516 states have call successors, (564) [2023-12-16 05:35:03,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 4756 transitions. [2023-12-16 05:35:03,475 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 4756 transitions. Word has length 184 [2023-12-16 05:35:03,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:03,475 INFO L495 AbstractCegarLoop]: Abstraction has 2741 states and 4756 transitions. [2023-12-16 05:35:03,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:03,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 4756 transitions. [2023-12-16 05:35:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-16 05:35:03,488 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:03,488 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 05:35:03,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 05:35:03,489 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:03,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:03,489 INFO L85 PathProgramCache]: Analyzing trace with hash 395164051, now seen corresponding path program 1 times [2023-12-16 05:35:03,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:03,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341375206] [2023-12-16 05:35:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:03,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:35:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:35:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:35:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:35:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:35:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:35:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:35:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:35:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:35:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 05:35:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-16 05:35:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-16 05:35:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-16 05:35:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:35:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-12-16 05:35:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-12-16 05:35:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-16 05:35:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:03,575 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-16 05:35:03,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:03,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341375206] [2023-12-16 05:35:03,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341375206] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:03,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:03,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:35:03,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622749998] [2023-12-16 05:35:03,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:03,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:35:03,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:03,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:35:03,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:35:03,577 INFO L87 Difference]: Start difference. First operand 2741 states and 4756 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:04,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:04,933 INFO L93 Difference]: Finished difference Result 6631 states and 11733 transitions. [2023-12-16 05:35:04,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:04,933 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 185 [2023-12-16 05:35:04,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:04,951 INFO L225 Difference]: With dead ends: 6631 [2023-12-16 05:35:04,951 INFO L226 Difference]: Without dead ends: 4317 [2023-12-16 05:35:04,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:04,958 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1480 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 568 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:04,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 840 Invalid, 1875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [568 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:35:04,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4317 states. [2023-12-16 05:35:05,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4317 to 4221. [2023-12-16 05:35:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4221 states, 3425 states have (on average 1.6832116788321168) internal successors, (5765), 3433 states have internal predecessors, (5765), 762 states have call successors, (762), 29 states have call predecessors, (762), 33 states have return successors, (835), 760 states have call predecessors, (835), 761 states have call successors, (835) [2023-12-16 05:35:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 4221 states and 7362 transitions. [2023-12-16 05:35:05,095 INFO L78 Accepts]: Start accepts. Automaton has 4221 states and 7362 transitions. Word has length 185 [2023-12-16 05:35:05,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:05,095 INFO L495 AbstractCegarLoop]: Abstraction has 4221 states and 7362 transitions. [2023-12-16 05:35:05,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4221 states and 7362 transitions. [2023-12-16 05:35:05,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-16 05:35:05,113 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:05,114 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 05:35:05,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 05:35:05,114 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:05,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:05,114 INFO L85 PathProgramCache]: Analyzing trace with hash -371933886, now seen corresponding path program 1 times [2023-12-16 05:35:05,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:05,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899295948] [2023-12-16 05:35:05,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:05,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:35:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:35:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:35:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:35:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:35:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:35:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:35:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:35:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-16 05:35:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-16 05:35:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-16 05:35:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-16 05:35:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-16 05:35:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:35:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-12-16 05:35:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-12-16 05:35:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-12-16 05:35:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-16 05:35:05,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:05,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899295948] [2023-12-16 05:35:05,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899295948] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:05,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:05,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:35:05,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796108003] [2023-12-16 05:35:05,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:05,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:35:05,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:05,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:35:05,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:35:05,204 INFO L87 Difference]: Start difference. First operand 4221 states and 7362 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:06,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:06,458 INFO L93 Difference]: Finished difference Result 10560 states and 18758 transitions. [2023-12-16 05:35:06,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:06,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 186 [2023-12-16 05:35:06,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:06,488 INFO L225 Difference]: With dead ends: 10560 [2023-12-16 05:35:06,489 INFO L226 Difference]: Without dead ends: 6989 [2023-12-16 05:35:06,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:06,500 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1460 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:06,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 878 Invalid, 1929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 05:35:06,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6989 states. [2023-12-16 05:35:06,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6989 to 6893. [2023-12-16 05:35:06,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6893 states, 5604 states have (on average 1.6789793004996432) internal successors, (9409), 5612 states have internal predecessors, (9409), 1255 states have call successors, (1255), 29 states have call predecessors, (1255), 33 states have return successors, (1372), 1253 states have call predecessors, (1372), 1254 states have call successors, (1372) [2023-12-16 05:35:06,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6893 states to 6893 states and 12036 transitions. [2023-12-16 05:35:06,739 INFO L78 Accepts]: Start accepts. Automaton has 6893 states and 12036 transitions. Word has length 186 [2023-12-16 05:35:06,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:06,739 INFO L495 AbstractCegarLoop]: Abstraction has 6893 states and 12036 transitions. [2023-12-16 05:35:06,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:06,740 INFO L276 IsEmpty]: Start isEmpty. Operand 6893 states and 12036 transitions. [2023-12-16 05:35:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-12-16 05:35:06,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:06,767 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 05:35:06,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 05:35:06,767 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:06,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:06,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1427708273, now seen corresponding path program 1 times [2023-12-16 05:35:06,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:06,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658849604] [2023-12-16 05:35:06,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:06,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:35:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:35:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:35:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:35:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:35:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:35:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:35:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:35:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:35:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-16 05:35:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-16 05:35:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-16 05:35:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-16 05:35:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:35:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-16 05:35:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-16 05:35:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-12-16 05:35:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-16 05:35:06,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:06,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658849604] [2023-12-16 05:35:06,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658849604] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:06,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:06,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:35:06,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074396674] [2023-12-16 05:35:06,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:06,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:35:06,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:06,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:35:06,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:35:06,866 INFO L87 Difference]: Start difference. First operand 6893 states and 12036 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:08,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:08,317 INFO L93 Difference]: Finished difference Result 17539 states and 31169 transitions. [2023-12-16 05:35:08,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:08,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2023-12-16 05:35:08,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:08,362 INFO L225 Difference]: With dead ends: 17539 [2023-12-16 05:35:08,362 INFO L226 Difference]: Without dead ends: 11662 [2023-12-16 05:35:08,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:08,381 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 1437 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1456 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 1924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:08,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1456 Valid, 848 Invalid, 1924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:35:08,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11662 states. [2023-12-16 05:35:08,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11662 to 11566. [2023-12-16 05:35:08,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11566 states, 9455 states have (on average 1.679111581173982) internal successors, (15876), 9463 states have internal predecessors, (15876), 2077 states have call successors, (2077), 29 states have call predecessors, (2077), 33 states have return successors, (2272), 2075 states have call predecessors, (2272), 2076 states have call successors, (2272) [2023-12-16 05:35:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11566 states to 11566 states and 20225 transitions. [2023-12-16 05:35:08,744 INFO L78 Accepts]: Start accepts. Automaton has 11566 states and 20225 transitions. Word has length 187 [2023-12-16 05:35:08,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:08,744 INFO L495 AbstractCegarLoop]: Abstraction has 11566 states and 20225 transitions. [2023-12-16 05:35:08,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 11566 states and 20225 transitions. [2023-12-16 05:35:08,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-16 05:35:08,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:08,793 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-16 05:35:08,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 05:35:08,793 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:08,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:08,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1714702044, now seen corresponding path program 1 times [2023-12-16 05:35:08,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:08,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572997445] [2023-12-16 05:35:08,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:08,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:35:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:35:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:35:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:35:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:35:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:35:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:35:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:35:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-16 05:35:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-16 05:35:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:35:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-16 05:35:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-16 05:35:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-16 05:35:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-16 05:35:08,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:08,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572997445] [2023-12-16 05:35:08,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572997445] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:08,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:08,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:35:08,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744765958] [2023-12-16 05:35:08,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:08,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:35:08,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:08,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:35:08,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:35:08,908 INFO L87 Difference]: Start difference. First operand 11566 states and 20225 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:35:10,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:10,403 INFO L93 Difference]: Finished difference Result 27665 states and 48987 transitions. [2023-12-16 05:35:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:10,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 170 [2023-12-16 05:35:10,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:10,468 INFO L225 Difference]: With dead ends: 27665 [2023-12-16 05:35:10,468 INFO L226 Difference]: Without dead ends: 18046 [2023-12-16 05:35:10,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:10,500 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1469 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 557 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 1886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 557 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:10,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 816 Invalid, 1886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [557 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 05:35:10,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18046 states. [2023-12-16 05:35:11,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18046 to 17950. [2023-12-16 05:35:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17950 states, 14636 states have (on average 1.6557119431538672) internal successors, (24233), 14644 states have internal predecessors, (24233), 3280 states have call successors, (3280), 29 states have call predecessors, (3280), 33 states have return successors, (3619), 3278 states have call predecessors, (3619), 3279 states have call successors, (3619) [2023-12-16 05:35:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17950 states to 17950 states and 31132 transitions. [2023-12-16 05:35:11,121 INFO L78 Accepts]: Start accepts. Automaton has 17950 states and 31132 transitions. Word has length 170 [2023-12-16 05:35:11,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:11,121 INFO L495 AbstractCegarLoop]: Abstraction has 17950 states and 31132 transitions. [2023-12-16 05:35:11,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:35:11,122 INFO L276 IsEmpty]: Start isEmpty. Operand 17950 states and 31132 transitions. [2023-12-16 05:35:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-16 05:35:11,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:11,168 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-16 05:35:11,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 05:35:11,169 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:11,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:11,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1875707126, now seen corresponding path program 1 times [2023-12-16 05:35:11,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:11,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845243329] [2023-12-16 05:35:11,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:11,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:35:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:35:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:35:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:35:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:35:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:35:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:35:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-16 05:35:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-16 05:35:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-16 05:35:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:35:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-16 05:35:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-12-16 05:35:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-12-16 05:35:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:11,261 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-16 05:35:11,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:11,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845243329] [2023-12-16 05:35:11,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845243329] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:11,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:11,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:35:11,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993633093] [2023-12-16 05:35:11,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:11,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:35:11,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:11,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:35:11,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:35:11,264 INFO L87 Difference]: Start difference. First operand 17950 states and 31132 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:35:12,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:12,896 INFO L93 Difference]: Finished difference Result 47490 states and 83894 transitions. [2023-12-16 05:35:12,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:12,897 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 171 [2023-12-16 05:35:12,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:13,000 INFO L225 Difference]: With dead ends: 47490 [2023-12-16 05:35:13,001 INFO L226 Difference]: Without dead ends: 32079 [2023-12-16 05:35:13,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:13,041 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1473 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:13,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 844 Invalid, 1897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [527 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 05:35:13,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32079 states. [2023-12-16 05:35:14,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32079 to 31983. [2023-12-16 05:35:14,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31983 states, 26219 states have (on average 1.6528853121781915) internal successors, (43337), 26227 states have internal predecessors, (43337), 5730 states have call successors, (5730), 29 states have call predecessors, (5730), 33 states have return successors, (6343), 5728 states have call predecessors, (6343), 5729 states have call successors, (6343) [2023-12-16 05:35:14,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31983 states to 31983 states and 55410 transitions. [2023-12-16 05:35:14,124 INFO L78 Accepts]: Start accepts. Automaton has 31983 states and 55410 transitions. Word has length 171 [2023-12-16 05:35:14,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:14,124 INFO L495 AbstractCegarLoop]: Abstraction has 31983 states and 55410 transitions. [2023-12-16 05:35:14,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:35:14,124 INFO L276 IsEmpty]: Start isEmpty. Operand 31983 states and 55410 transitions. [2023-12-16 05:35:14,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 05:35:14,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:14,376 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-16 05:35:14,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 05:35:14,376 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:14,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:14,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1856317634, now seen corresponding path program 1 times [2023-12-16 05:35:14,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:14,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146691797] [2023-12-16 05:35:14,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:14,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:35:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:35:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:35:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:35:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:35:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:35:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:35:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-16 05:35:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-16 05:35:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-16 05:35:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:35:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-16 05:35:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-16 05:35:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-12-16 05:35:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-16 05:35:14,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:14,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146691797] [2023-12-16 05:35:14,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146691797] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:14,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:14,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:35:14,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663105482] [2023-12-16 05:35:14,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:14,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:35:14,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:14,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:35:14,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:35:14,541 INFO L87 Difference]: Start difference. First operand 31983 states and 55410 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:35:16,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:16,789 INFO L93 Difference]: Finished difference Result 87212 states and 153353 transitions. [2023-12-16 05:35:16,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:16,790 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 172 [2023-12-16 05:35:16,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:16,970 INFO L225 Difference]: With dead ends: 87212 [2023-12-16 05:35:16,970 INFO L226 Difference]: Without dead ends: 58627 [2023-12-16 05:35:17,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:17,027 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1478 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 551 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 1916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:17,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 860 Invalid, 1916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 05:35:17,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58627 states. [2023-12-16 05:35:18,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58627 to 58531. [2023-12-16 05:35:18,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58531 states, 48254 states have (on average 1.6490031914452687) internal successors, (79571), 48262 states have internal predecessors, (79571), 10243 states have call successors, (10243), 29 states have call predecessors, (10243), 33 states have return successors, (11388), 10241 states have call predecessors, (11388), 10242 states have call successors, (11388) [2023-12-16 05:35:18,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58531 states to 58531 states and 101202 transitions. [2023-12-16 05:35:18,985 INFO L78 Accepts]: Start accepts. Automaton has 58531 states and 101202 transitions. Word has length 172 [2023-12-16 05:35:18,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:18,985 INFO L495 AbstractCegarLoop]: Abstraction has 58531 states and 101202 transitions. [2023-12-16 05:35:18,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 05:35:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 58531 states and 101202 transitions. [2023-12-16 05:35:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-12-16 05:35:19,103 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:19,103 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 05:35:19,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 05:35:19,103 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:19,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:19,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1542858994, now seen corresponding path program 1 times [2023-12-16 05:35:19,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:19,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371826815] [2023-12-16 05:35:19,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:19,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:35:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:35:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:35:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:35:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:35:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:35:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:35:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:35:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-16 05:35:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-16 05:35:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-16 05:35:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-16 05:35:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-16 05:35:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:35:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-12-16 05:35:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-12-16 05:35:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-12-16 05:35:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-16 05:35:19,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:19,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371826815] [2023-12-16 05:35:19,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371826815] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:19,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:19,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:35:19,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922310530] [2023-12-16 05:35:19,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:19,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:35:19,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:19,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:35:19,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:35:19,190 INFO L87 Difference]: Start difference. First operand 58531 states and 101202 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:22,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:22,316 INFO L93 Difference]: Finished difference Result 109536 states and 193164 transitions. [2023-12-16 05:35:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:22,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2023-12-16 05:35:22,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:22,666 INFO L225 Difference]: With dead ends: 109536 [2023-12-16 05:35:22,666 INFO L226 Difference]: Without dead ends: 109329 [2023-12-16 05:35:22,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:22,710 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1465 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 549 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:22,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 842 Invalid, 1885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [549 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 05:35:22,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109329 states. [2023-12-16 05:35:25,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109329 to 109233. [2023-12-16 05:35:25,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109233 states, 90588 states have (on average 1.6439484258400672) internal successors, (148922), 90596 states have internal predecessors, (148922), 18611 states have call successors, (18611), 29 states have call predecessors, (18611), 33 states have return successors, (20802), 18609 states have call predecessors, (20802), 18610 states have call successors, (20802) [2023-12-16 05:35:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109233 states to 109233 states and 188335 transitions. [2023-12-16 05:35:26,426 INFO L78 Accepts]: Start accepts. Automaton has 109233 states and 188335 transitions. Word has length 191 [2023-12-16 05:35:26,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:26,426 INFO L495 AbstractCegarLoop]: Abstraction has 109233 states and 188335 transitions. [2023-12-16 05:35:26,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-16 05:35:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand 109233 states and 188335 transitions. [2023-12-16 05:35:26,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-16 05:35:26,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:26,635 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-16 05:35:26,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 05:35:26,636 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:26,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:26,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1246588579, now seen corresponding path program 1 times [2023-12-16 05:35:26,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:26,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207184980] [2023-12-16 05:35:26,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:26,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:35:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:35:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:35:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:35:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:35:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:35:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:35:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-16 05:35:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-16 05:35:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-16 05:35:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-16 05:35:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-12-16 05:35:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-12-16 05:35:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-16 05:35:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,134 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-16 05:35:27,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:27,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207184980] [2023-12-16 05:35:27,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207184980] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:35:27,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632028328] [2023-12-16 05:35:27,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:27,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:35:27,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:35:27,136 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 05:35:27,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-16 05:35:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:27,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-16 05:35:27,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:35:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-16 05:35:27,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:35:27,926 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-16 05:35:27,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632028328] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 05:35:27,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 05:35:27,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2023-12-16 05:35:27,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135950656] [2023-12-16 05:35:27,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 05:35:27,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-16 05:35:27,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:27,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-16 05:35:27,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=914, Unknown=0, NotChecked=0, Total=992 [2023-12-16 05:35:27,929 INFO L87 Difference]: Start difference. First operand 109233 states and 188335 transitions. Second operand has 32 states, 30 states have (on average 8.7) internal successors, (261), 24 states have internal predecessors, (261), 9 states have call successors, (59), 12 states have call predecessors, (59), 12 states have return successors, (51), 11 states have call predecessors, (51), 9 states have call successors, (51) Received shutdown request... [2023-12-16 05:35:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-12-16 05:35:36,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6486 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=2688, Invalid=18192, Unknown=0, NotChecked=0, Total=20880 [2023-12-16 05:35:36,887 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 4799 mSDsluCounter, 7667 mSDsCounter, 0 mSdLazyCounter, 14288 mSolverCounterSat, 945 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4804 SdHoareTripleChecker+Valid, 8026 SdHoareTripleChecker+Invalid, 15233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 945 IncrementalHoareTripleChecker+Valid, 14288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:36,888 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 05:35:36,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4804 Valid, 8026 Invalid, 15233 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [945 Valid, 14288 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-12-16 05:35:36,889 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:35:36,899 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 05:35:36,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-16 05:35:37,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:35:37,098 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (109233states) and FLOYD_HOARE automaton (currently 117 states, 32 states before enhancement),while ReachableStatesComputation was computing reachable states (8376 states constructed, input type IntersectNwa). [2023-12-16 05:35:37,101 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:35:37,103 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:35:37,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:35:37 BoogieIcfgContainer [2023-12-16 05:35:37,104 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:35:37,104 INFO L158 Benchmark]: Toolchain (without parser) took 55661.28ms. Allocated memory was 222.3MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 170.3MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-12-16 05:35:37,104 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 222.3MB. Free memory is still 174.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:35:37,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.66ms. Allocated memory was 222.3MB in the beginning and 293.6MB in the end (delta: 71.3MB). Free memory was 170.0MB in the beginning and 253.1MB in the end (delta: -83.1MB). Peak memory consumption was 42.6MB. Max. memory is 8.0GB. [2023-12-16 05:35:37,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.70ms. Allocated memory is still 293.6MB. Free memory was 253.1MB in the beginning and 247.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 05:35:37,105 INFO L158 Benchmark]: Boogie Preprocessor took 115.81ms. Allocated memory is still 293.6MB. Free memory was 247.3MB in the beginning and 240.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 05:35:37,105 INFO L158 Benchmark]: RCFGBuilder took 922.69ms. Allocated memory is still 293.6MB. Free memory was 240.0MB in the beginning and 163.9MB in the end (delta: 76.0MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. [2023-12-16 05:35:37,105 INFO L158 Benchmark]: TraceAbstraction took 53831.38ms. Allocated memory was 293.6MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 163.4MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-12-16 05:35:37,106 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 222.3MB. Free memory is still 174.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 695.66ms. Allocated memory was 222.3MB in the beginning and 293.6MB in the end (delta: 71.3MB). Free memory was 170.0MB in the beginning and 253.1MB in the end (delta: -83.1MB). Peak memory consumption was 42.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 89.70ms. Allocated memory is still 293.6MB. Free memory was 253.1MB in the beginning and 247.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 115.81ms. Allocated memory is still 293.6MB. Free memory was 247.3MB in the beginning and 240.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 922.69ms. Allocated memory is still 293.6MB. Free memory was 240.0MB in the beginning and 163.9MB in the end (delta: 76.0MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. * TraceAbstraction took 53831.38ms. Allocated memory was 293.6MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 163.4MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] - GenericResultAtLocation [Line: 414]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [414] - GenericResultAtLocation [Line: 1494]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1494] - GenericResultAtLocation [Line: 1543]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1543] - GenericResultAtLocation [Line: 1561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1561] - GenericResultAtLocation [Line: 1570]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1570] - GenericResultAtLocation [Line: 1718]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1718] - GenericResultAtLocation [Line: 1943]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1943] - GenericResultAtLocation [Line: 2320]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2320] - GenericResultAtLocation [Line: 2717]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2717] - GenericResultAtLocation [Line: 2995]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2995] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 1566]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1566). Cancelled while NwaCegarLoop was constructing difference of abstraction (109233states) and FLOYD_HOARE automaton (currently 117 states, 32 states before enhancement),while ReachableStatesComputation was computing reachable states (8376 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 390 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.8s, OverallIterations: 21, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 36.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27411 SdHoareTripleChecker+Valid, 23.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27134 mSDsluCounter, 30813 SdHoareTripleChecker+Invalid, 19.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24692 mSDsCounter, 8980 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43046 IncrementalHoareTripleChecker+Invalid, 52026 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8980 mSolverCounterUnsat, 6121 mSDtfsCounter, 43046 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2758 GetRequests, 2368 SyntacticMatches, 0 SemanticMatches, 390 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6881 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109233occurred in iteration=20, InterpolantAutomatonStates: 172, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 1435 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 4699 NumberOfCodeBlocks, 4699 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 5001 ConstructedInterpolants, 0 QuantifiedInterpolants, 7597 SizeOfPredicates, 12 NumberOfNonLiveVariables, 8709 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 30 InterpolantComputations, 19 PerfectInterpolantSequences, 1404/1448 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown