/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_spec9_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:42:27,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:42:27,832 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 05:42:27,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:42:27,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:42:27,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:42:27,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:42:27,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:42:27,864 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:42:27,864 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:42:27,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:42:27,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:42:27,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:42:27,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:42:27,865 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:42:27,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:42:27,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:42:27,866 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:42:27,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:42:27,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:42:27,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:42:27,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:42:27,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:42:27,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:42:27,868 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:42:27,868 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:42:27,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:42:27,868 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:42:27,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:42:27,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:42:27,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:42:27,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:42:27,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:42:27,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:42:27,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:42:27,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:42:27,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:42:27,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:42:27,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:42:27,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:42:27,870 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:42:27,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:42:27,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:42:27,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:42:28,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:42:28,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:42:28,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:42:28,094 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:42:28,094 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:42:28,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product29.cil.c [2023-12-16 05:42:29,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:42:29,222 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:42:29,223 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product29.cil.c [2023-12-16 05:42:29,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98ae07938/4bd8ed222fb24b37bed732b2b549b042/FLAGc3444a85c [2023-12-16 05:42:29,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98ae07938/4bd8ed222fb24b37bed732b2b549b042 [2023-12-16 05:42:29,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:42:29,257 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:42:29,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:42:29,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:42:29,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:42:29,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:29,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df8d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29, skipping insertion in model container [2023-12-16 05:42:29,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:29,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:42:29,762 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_spec9_product29.cil.c[65089,65102] [2023-12-16 05:42:29,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:42:29,778 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:42:29,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2023-12-16 05:42:29,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [97] [2023-12-16 05:42:29,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [246] [2023-12-16 05:42:29,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [290] [2023-12-16 05:42:29,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [674] [2023-12-16 05:42:29,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [691] [2023-12-16 05:42:29,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1057] [2023-12-16 05:42:29,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1282] [2023-12-16 05:42:29,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1679] [2023-12-16 05:42:29,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2752] [2023-12-16 05:42:29,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3030] [2023-12-16 05:42:29,858 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_spec9_product29.cil.c[65089,65102] [2023-12-16 05:42:29,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:42:29,879 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:42:29,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29 WrapperNode [2023-12-16 05:42:29,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:42:29,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:42:29,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:42:29,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:42:29,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:29,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:29,971 INFO L138 Inliner]: procedures = 132, calls = 214, calls flagged for inlining = 56, calls inlined = 48, statements flattened = 925 [2023-12-16 05:42:29,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:42:29,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:42:29,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:42:29,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:42:29,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:29,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:29,995 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:30,027 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 05:42:30,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:30,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:30,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:30,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:30,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:30,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:30,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:42:30,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:42:30,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:42:30,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:42:30,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (1/1) ... [2023-12-16 05:42:30,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:42:30,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:42:30,152 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 05:42:30,185 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 05:42:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-16 05:42:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-16 05:42:30,204 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-16 05:42:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-16 05:42:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-16 05:42:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-16 05:42:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-16 05:42:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-16 05:42:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-16 05:42:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-16 05:42:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-16 05:42:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-16 05:42:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-16 05:42:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-16 05:42:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-16 05:42:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-16 05:42:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-16 05:42:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-16 05:42:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-16 05:42:30,209 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-16 05:42:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-16 05:42:30,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-16 05:42:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-16 05:42:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-16 05:42:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-16 05:42:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-16 05:42:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-16 05:42:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-16 05:42:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:42:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-16 05:42:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-16 05:42:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-16 05:42:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-16 05:42:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-16 05:42:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-16 05:42:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-16 05:42:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-16 05:42:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-16 05:42:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-16 05:42:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-16 05:42:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-16 05:42:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-16 05:42:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-16 05:42:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-12-16 05:42:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-12-16 05:42:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-16 05:42:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-16 05:42:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-16 05:42:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-16 05:42:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-16 05:42:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-16 05:42:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-16 05:42:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-16 05:42:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:42:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 05:42:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 05:42:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 05:42:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-16 05:42:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-16 05:42:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-16 05:42:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-16 05:42:30,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:42:30,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:42:30,374 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:42:30,376 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:42:31,019 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:42:31,060 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:42:31,060 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 05:42:31,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:42:31 BoogieIcfgContainer [2023-12-16 05:42:31,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:42:31,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:42:31,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:42:31,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:42:31,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:42:29" (1/3) ... [2023-12-16 05:42:31,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6250524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:42:31, skipping insertion in model container [2023-12-16 05:42:31,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:42:29" (2/3) ... [2023-12-16 05:42:31,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6250524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:42:31, skipping insertion in model container [2023-12-16 05:42:31,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:42:31" (3/3) ... [2023-12-16 05:42:31,066 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product29.cil.c [2023-12-16 05:42:31,077 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:42:31,077 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:42:31,113 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:42:31,118 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;@1b31b8fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:42:31,118 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:42:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 383 states, 290 states have (on average 1.603448275862069) internal successors, (465), 295 states have internal predecessors, (465), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2023-12-16 05:42:31,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 05:42:31,137 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:31,138 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:31,138 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:31,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:31,142 INFO L85 PathProgramCache]: Analyzing trace with hash 898230585, now seen corresponding path program 1 times [2023-12-16 05:42:31,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:31,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372074070] [2023-12-16 05:42:31,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:31,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:42:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:42:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:42:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-16 05:42:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-16 05:42:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:42:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:42:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:42:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:42:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:42:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:42:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:42:31,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:31,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372074070] [2023-12-16 05:42:31,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372074070] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:42:31,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794006539] [2023-12-16 05:42:31,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:31,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:42:31,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:42:31,792 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 05:42:31,819 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 05:42:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 1058 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 05:42:32,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:42:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:42:32,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:42:32,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794006539] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:32,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:42:32,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-16 05:42:32,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890827237] [2023-12-16 05:42:32,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:32,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:42:32,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:32,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:42:32,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:42:32,154 INFO L87 Difference]: Start difference. First operand has 383 states, 290 states have (on average 1.603448275862069) internal successors, (465), 295 states have internal predecessors, (465), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:32,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:32,345 INFO L93 Difference]: Finished difference Result 586 states and 888 transitions. [2023-12-16 05:42:32,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:42:32,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 104 [2023-12-16 05:42:32,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:32,361 INFO L225 Difference]: With dead ends: 586 [2023-12-16 05:42:32,362 INFO L226 Difference]: Without dead ends: 380 [2023-12-16 05:42:32,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 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 05:42:32,372 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:32,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 574 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:42:32,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2023-12-16 05:42:32,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2023-12-16 05:42:32,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 288 states have (on average 1.5902777777777777) internal successors, (458), 292 states have internal predecessors, (458), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-16 05:42:32,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 583 transitions. [2023-12-16 05:42:32,427 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 583 transitions. Word has length 104 [2023-12-16 05:42:32,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:32,428 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 583 transitions. [2023-12-16 05:42:32,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 583 transitions. [2023-12-16 05:42:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-16 05:42:32,433 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:32,433 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:32,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 05:42:32,641 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 05:42:32,641 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:32,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:32,642 INFO L85 PathProgramCache]: Analyzing trace with hash 634354892, now seen corresponding path program 1 times [2023-12-16 05:42:32,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:32,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106754382] [2023-12-16 05:42:32,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:32,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:42:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:42:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:42:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-16 05:42:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:42:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:42:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:42:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:42:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:42:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:42:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:42:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:32,863 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:42:32,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:32,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106754382] [2023-12-16 05:42:32,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106754382] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:42:32,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885533373] [2023-12-16 05:42:32,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:32,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:42:32,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:42:32,866 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 05:42:32,894 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 05:42:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 05:42:33,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:42:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:42:33,177 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:42:33,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885533373] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:33,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:42:33,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:42:33,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103539166] [2023-12-16 05:42:33,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:33,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:42:33,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:33,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:42:33,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:42:33,181 INFO L87 Difference]: Start difference. First operand 380 states and 583 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:33,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:33,235 INFO L93 Difference]: Finished difference Result 582 states and 872 transitions. [2023-12-16 05:42:33,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:42:33,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2023-12-16 05:42:33,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:33,242 INFO L225 Difference]: With dead ends: 582 [2023-12-16 05:42:33,242 INFO L226 Difference]: Without dead ends: 382 [2023-12-16 05:42:33,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:42:33,247 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 0 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:33,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1141 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:42:33,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-12-16 05:42:33,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2023-12-16 05:42:33,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 290 states have (on average 1.5862068965517242) internal successors, (460), 294 states have internal predecessors, (460), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-16 05:42:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 585 transitions. [2023-12-16 05:42:33,280 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 585 transitions. Word has length 105 [2023-12-16 05:42:33,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:33,281 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 585 transitions. [2023-12-16 05:42:33,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:33,281 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 585 transitions. [2023-12-16 05:42:33,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-16 05:42:33,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:33,283 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:33,298 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 05:42:33,495 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 05:42:33,496 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:33,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:33,497 INFO L85 PathProgramCache]: Analyzing trace with hash 304994006, now seen corresponding path program 1 times [2023-12-16 05:42:33,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:33,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31195984] [2023-12-16 05:42:33,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:33,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:42:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:42:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:42:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:42:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-16 05:42:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:42:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:42:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:42:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:42:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:42:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:42:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:42:33,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:33,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31195984] [2023-12-16 05:42:33,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31195984] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:42:33,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911851035] [2023-12-16 05:42:33,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:33,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:42:33,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:42:33,684 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 05:42:33,700 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 05:42:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:33,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:42:33,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:42:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:42:33,961 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:42:33,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911851035] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:33,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:42:33,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:42:33,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345185268] [2023-12-16 05:42:33,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:33,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:42:33,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:33,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:42:33,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:42:33,963 INFO L87 Difference]: Start difference. First operand 382 states and 585 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:34,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:34,017 INFO L93 Difference]: Finished difference Result 808 states and 1255 transitions. [2023-12-16 05:42:34,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:42:34,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2023-12-16 05:42:34,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:34,029 INFO L225 Difference]: With dead ends: 808 [2023-12-16 05:42:34,029 INFO L226 Difference]: Without dead ends: 448 [2023-12-16 05:42:34,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:42:34,031 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 122 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:34,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1111 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:42:34,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2023-12-16 05:42:34,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 443. [2023-12-16 05:42:34,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 337 states have (on average 1.6023738872403561) internal successors, (540), 341 states have internal predecessors, (540), 77 states have call successors, (77), 28 states have call predecessors, (77), 28 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2023-12-16 05:42:34,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 693 transitions. [2023-12-16 05:42:34,061 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 693 transitions. Word has length 110 [2023-12-16 05:42:34,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:34,061 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 693 transitions. [2023-12-16 05:42:34,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:34,062 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 693 transitions. [2023-12-16 05:42:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 05:42:34,064 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:34,064 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:34,086 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 05:42:34,270 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 05:42:34,270 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:34,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:34,271 INFO L85 PathProgramCache]: Analyzing trace with hash 2121986655, now seen corresponding path program 1 times [2023-12-16 05:42:34,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:34,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264022578] [2023-12-16 05:42:34,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:34,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:42:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:42:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:42:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-16 05:42:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-16 05:42:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:42:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:42:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:42:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:42:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:42:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:42:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:42:34,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:34,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264022578] [2023-12-16 05:42:34,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264022578] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:42:34,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149475127] [2023-12-16 05:42:34,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:34,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:42:34,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:42:34,441 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 05:42:34,460 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 05:42:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:34,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 05:42:34,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:42:34,733 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 05:42:34,733 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:42:34,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149475127] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:34,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:42:34,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-16 05:42:34,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117989598] [2023-12-16 05:42:34,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:34,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:42:34,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:34,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:42:34,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:42:34,735 INFO L87 Difference]: Start difference. First operand 443 states and 693 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 05:42:34,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:34,805 INFO L93 Difference]: Finished difference Result 881 states and 1380 transitions. [2023-12-16 05:42:34,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:42:34,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 111 [2023-12-16 05:42:34,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:34,808 INFO L225 Difference]: With dead ends: 881 [2023-12-16 05:42:34,808 INFO L226 Difference]: Without dead ends: 445 [2023-12-16 05:42:34,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 132 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 05:42:34,809 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 8 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2237 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:34,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2237 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:42:34,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2023-12-16 05:42:34,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2023-12-16 05:42:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 338 states have (on average 1.6005917159763314) internal successors, (541), 343 states have internal predecessors, (541), 77 states have call successors, (77), 28 states have call predecessors, (77), 29 states have return successors, (78), 75 states have call predecessors, (78), 76 states have call successors, (78) [2023-12-16 05:42:34,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 696 transitions. [2023-12-16 05:42:34,825 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 696 transitions. Word has length 111 [2023-12-16 05:42:34,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:34,825 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 696 transitions. [2023-12-16 05:42:34,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 05:42:34,825 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 696 transitions. [2023-12-16 05:42:34,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-16 05:42:34,827 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:34,827 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:34,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 05:42:35,034 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 05:42:35,035 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:35,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:35,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1644895196, now seen corresponding path program 1 times [2023-12-16 05:42:35,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:35,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580819685] [2023-12-16 05:42:35,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:35,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-16 05:42:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-16 05:42:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 05:42:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:42:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:42:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:42:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:42:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:42:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:42:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:42:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,242 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 05:42:35,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:35,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580819685] [2023-12-16 05:42:35,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580819685] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:42:35,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720083101] [2023-12-16 05:42:35,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:35,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:42:35,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:42:35,257 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 05:42:35,263 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 05:42:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 05:42:35,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:42:35,538 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 05:42:35,538 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:42:35,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720083101] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:35,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:42:35,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-16 05:42:35,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873170130] [2023-12-16 05:42:35,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:35,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:42:35,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:35,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:42:35,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:42:35,540 INFO L87 Difference]: Start difference. First operand 445 states and 696 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 05:42:35,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:35,617 INFO L93 Difference]: Finished difference Result 883 states and 1385 transitions. [2023-12-16 05:42:35,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:42:35,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 112 [2023-12-16 05:42:35,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:35,620 INFO L225 Difference]: With dead ends: 883 [2023-12-16 05:42:35,620 INFO L226 Difference]: Without dead ends: 447 [2023-12-16 05:42:35,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 132 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 05:42:35,622 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 8 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2223 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:35,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2223 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:42:35,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-12-16 05:42:35,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2023-12-16 05:42:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 339 states have (on average 1.59882005899705) internal successors, (542), 345 states have internal predecessors, (542), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2023-12-16 05:42:35,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 702 transitions. [2023-12-16 05:42:35,635 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 702 transitions. Word has length 112 [2023-12-16 05:42:35,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:35,635 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 702 transitions. [2023-12-16 05:42:35,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 05:42:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 702 transitions. [2023-12-16 05:42:35,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-16 05:42:35,637 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:35,637 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:35,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-16 05:42:35,843 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 05:42:35,844 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:35,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:35,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1875777528, now seen corresponding path program 1 times [2023-12-16 05:42:35,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:35,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097170047] [2023-12-16 05:42:35,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:35,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-16 05:42:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 05:42:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:42:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:42:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:42:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:42:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:42:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:42:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:42:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:42:35,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:35,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097170047] [2023-12-16 05:42:35,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097170047] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:35,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:35,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:42:35,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004552463] [2023-12-16 05:42:35,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:35,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:42:35,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:35,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:42:35,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:42:35,987 INFO L87 Difference]: Start difference. First operand 447 states and 702 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 05:42:37,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:37,776 INFO L93 Difference]: Finished difference Result 964 states and 1536 transitions. [2023-12-16 05:42:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:42:37,777 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 113 [2023-12-16 05:42:37,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:37,780 INFO L225 Difference]: With dead ends: 964 [2023-12-16 05:42:37,781 INFO L226 Difference]: Without dead ends: 536 [2023-12-16 05:42:37,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 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 05:42:37,783 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 1340 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2417 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1341 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 2868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 2417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:37,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1341 Valid, 1145 Invalid, 2868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 2417 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-16 05:42:37,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2023-12-16 05:42:37,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 447. [2023-12-16 05:42:37,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 339 states have (on average 1.59882005899705) internal successors, (542), 345 states have internal predecessors, (542), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (82), 75 states have call predecessors, (82), 76 states have call successors, (82) [2023-12-16 05:42:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 701 transitions. [2023-12-16 05:42:37,809 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 701 transitions. Word has length 113 [2023-12-16 05:42:37,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:37,810 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 701 transitions. [2023-12-16 05:42:37,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 05:42:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 701 transitions. [2023-12-16 05:42:37,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-16 05:42:37,812 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:37,812 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:37,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 05:42:37,812 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:37,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:37,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1693107627, now seen corresponding path program 2 times [2023-12-16 05:42:37,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:37,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871268842] [2023-12-16 05:42:37,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:37,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-16 05:42:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 05:42:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:42:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:42:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:42:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:42:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:42:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:42:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:42:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:37,969 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:42:37,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:37,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871268842] [2023-12-16 05:42:37,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871268842] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:37,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:37,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:42:37,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205686440] [2023-12-16 05:42:37,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:37,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:42:37,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:37,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:42:37,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:42:37,971 INFO L87 Difference]: Start difference. First operand 447 states and 701 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 05:42:39,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:39,891 INFO L93 Difference]: Finished difference Result 966 states and 1539 transitions. [2023-12-16 05:42:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:42:39,892 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 114 [2023-12-16 05:42:39,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:39,895 INFO L225 Difference]: With dead ends: 966 [2023-12-16 05:42:39,895 INFO L226 Difference]: Without dead ends: 538 [2023-12-16 05:42:39,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:42:39,897 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 1320 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2433 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 2885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 2433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:39,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 1145 Invalid, 2885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [452 Valid, 2433 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 05:42:39,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2023-12-16 05:42:39,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 449. [2023-12-16 05:42:39,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 340 states have (on average 1.5970588235294119) internal successors, (543), 347 states have internal predecessors, (543), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (84), 75 states have call predecessors, (84), 76 states have call successors, (84) [2023-12-16 05:42:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 704 transitions. [2023-12-16 05:42:39,930 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 704 transitions. Word has length 114 [2023-12-16 05:42:39,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:39,931 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 704 transitions. [2023-12-16 05:42:39,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 05:42:39,931 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 704 transitions. [2023-12-16 05:42:39,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-16 05:42:39,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:39,933 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:39,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 05:42:39,933 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:39,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:39,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1824054573, now seen corresponding path program 1 times [2023-12-16 05:42:39,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:39,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325419692] [2023-12-16 05:42:39,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:39,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:42:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-16 05:42:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-16 05:42:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:42:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:42:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:42:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:42:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:42:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:42:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 05:42:40,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:40,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325419692] [2023-12-16 05:42:40,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325419692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:40,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:40,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:42:40,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332793938] [2023-12-16 05:42:40,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:40,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:42:40,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:40,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:42:40,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:42:40,126 INFO L87 Difference]: Start difference. First operand 449 states and 704 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-16 05:42:42,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:42,470 INFO L93 Difference]: Finished difference Result 964 states and 1534 transitions. [2023-12-16 05:42:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:42:42,471 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 115 [2023-12-16 05:42:42,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:42,474 INFO L225 Difference]: With dead ends: 964 [2023-12-16 05:42:42,475 INFO L226 Difference]: Without dead ends: 538 [2023-12-16 05:42:42,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 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 05:42:42,478 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 1343 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 4052 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 4515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 4052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:42,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 1585 Invalid, 4515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [463 Valid, 4052 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-16 05:42:42,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2023-12-16 05:42:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 449. [2023-12-16 05:42:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 340 states have (on average 1.5970588235294119) internal successors, (543), 347 states have internal predecessors, (543), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2023-12-16 05:42:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 703 transitions. [2023-12-16 05:42:42,498 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 703 transitions. Word has length 115 [2023-12-16 05:42:42,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:42,498 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 703 transitions. [2023-12-16 05:42:42,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-16 05:42:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 703 transitions. [2023-12-16 05:42:42,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-16 05:42:42,501 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:42,502 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:42,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 05:42:42,502 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:42,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:42,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1318958955, now seen corresponding path program 2 times [2023-12-16 05:42:42,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:42,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90465199] [2023-12-16 05:42:42,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:42,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:42:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-16 05:42:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-16 05:42:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:42:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:42:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:42:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:42:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:42:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:42:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 05:42:42,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:42,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90465199] [2023-12-16 05:42:42,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90465199] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:42,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:42,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:42:42,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623400399] [2023-12-16 05:42:42,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:42,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:42:42,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:42,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:42:42,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:42:42,721 INFO L87 Difference]: Start difference. First operand 449 states and 703 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-16 05:42:45,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:45,078 INFO L93 Difference]: Finished difference Result 966 states and 1540 transitions. [2023-12-16 05:42:45,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:42:45,079 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 116 [2023-12-16 05:42:45,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:45,082 INFO L225 Difference]: With dead ends: 966 [2023-12-16 05:42:45,082 INFO L226 Difference]: Without dead ends: 540 [2023-12-16 05:42:45,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 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 05:42:45,084 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 1332 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 4082 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 4532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 4082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:45,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 1585 Invalid, 4532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 4082 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-16 05:42:45,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2023-12-16 05:42:45,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 451. [2023-12-16 05:42:45,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 341 states have (on average 1.595307917888563) internal successors, (544), 349 states have internal predecessors, (544), 77 states have call successors, (77), 28 states have call predecessors, (77), 32 states have return successors, (88), 75 states have call predecessors, (88), 76 states have call successors, (88) [2023-12-16 05:42:45,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 709 transitions. [2023-12-16 05:42:45,104 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 709 transitions. Word has length 116 [2023-12-16 05:42:45,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:45,105 INFO L495 AbstractCegarLoop]: Abstraction has 451 states and 709 transitions. [2023-12-16 05:42:45,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-16 05:42:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 709 transitions. [2023-12-16 05:42:45,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 05:42:45,106 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:45,106 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:45,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 05:42:45,106 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:45,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:45,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1386439310, now seen corresponding path program 1 times [2023-12-16 05:42:45,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:45,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871889356] [2023-12-16 05:42:45,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:45,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:42:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:42:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-16 05:42:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:42:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:42:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:42:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:42:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:42:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:42:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:42:45,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:45,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871889356] [2023-12-16 05:42:45,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871889356] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:42:45,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846079850] [2023-12-16 05:42:45,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:45,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:42:45,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:42:45,253 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 05:42:45,286 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 05:42:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:45,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:42:45,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:42:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:42:45,508 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:42:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:42:45,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846079850] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 05:42:45,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 05:42:45,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-12-16 05:42:45,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29091529] [2023-12-16 05:42:45,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 05:42:45,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 05:42:45,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:45,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 05:42:45,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-16 05:42:45,575 INFO L87 Difference]: Start difference. First operand 451 states and 709 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-16 05:42:47,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:47,219 INFO L93 Difference]: Finished difference Result 1140 states and 1896 transitions. [2023-12-16 05:42:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 05:42:47,221 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 117 [2023-12-16 05:42:47,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:47,225 INFO L225 Difference]: With dead ends: 1140 [2023-12-16 05:42:47,225 INFO L226 Difference]: Without dead ends: 940 [2023-12-16 05:42:47,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 259 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 05:42:47,227 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 1787 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 2104 mSolverCounterSat, 632 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 2736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 632 IncrementalHoareTripleChecker+Valid, 2104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:47,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 1515 Invalid, 2736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [632 Valid, 2104 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 05:42:47,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2023-12-16 05:42:47,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 836. [2023-12-16 05:42:47,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 647 states have (on average 1.6522411128284389) internal successors, (1069), 655 states have internal predecessors, (1069), 156 states have call successors, (156), 28 states have call predecessors, (156), 32 states have return successors, (177), 154 states have call predecessors, (177), 155 states have call successors, (177) [2023-12-16 05:42:47,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1402 transitions. [2023-12-16 05:42:47,258 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1402 transitions. Word has length 117 [2023-12-16 05:42:47,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:47,259 INFO L495 AbstractCegarLoop]: Abstraction has 836 states and 1402 transitions. [2023-12-16 05:42:47,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-16 05:42:47,260 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1402 transitions. [2023-12-16 05:42:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-16 05:42:47,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:47,262 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:47,271 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 05:42:47,469 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 05:42:47,469 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:47,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:47,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2091796401, now seen corresponding path program 1 times [2023-12-16 05:42:47,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:47,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965316047] [2023-12-16 05:42:47,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:47,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:42:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:42:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:42:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:42:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:42:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:42:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:42:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:42:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:42:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:42:47,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:47,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965316047] [2023-12-16 05:42:47,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965316047] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:47,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:47,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:42:47,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816559091] [2023-12-16 05:42:47,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:47,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:42:47,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:47,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:42:47,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:42:47,549 INFO L87 Difference]: Start difference. First operand 836 states and 1402 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:48,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:48,847 INFO L93 Difference]: Finished difference Result 2088 states and 3591 transitions. [2023-12-16 05:42:48,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:42:48,847 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2023-12-16 05:42:48,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:48,853 INFO L225 Difference]: With dead ends: 2088 [2023-12-16 05:42:48,853 INFO L226 Difference]: Without dead ends: 1312 [2023-12-16 05:42:48,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 05:42:48,856 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1412 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 1417 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1430 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 1917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 1417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:48,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1430 Valid, 888 Invalid, 1917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 1417 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:42:48,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2023-12-16 05:42:48,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1218. [2023-12-16 05:42:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 950 states have (on average 1.6642105263157896) internal successors, (1581), 958 states have internal predecessors, (1581), 235 states have call successors, (235), 28 states have call predecessors, (235), 32 states have return successors, (266), 233 states have call predecessors, (266), 234 states have call successors, (266) [2023-12-16 05:42:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 2082 transitions. [2023-12-16 05:42:48,899 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 2082 transitions. Word has length 123 [2023-12-16 05:42:48,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:48,900 INFO L495 AbstractCegarLoop]: Abstraction has 1218 states and 2082 transitions. [2023-12-16 05:42:48,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:48,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 2082 transitions. [2023-12-16 05:42:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-16 05:42:48,904 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:48,905 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:48,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 05:42:48,905 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:48,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:48,905 INFO L85 PathProgramCache]: Analyzing trace with hash 554128291, now seen corresponding path program 1 times [2023-12-16 05:42:48,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:48,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589093706] [2023-12-16 05:42:48,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:48,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:42:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:42:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:42:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:42:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:42:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:42:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:42:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:42:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:42:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:42:48,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:48,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589093706] [2023-12-16 05:42:48,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589093706] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:48,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:48,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:42:48,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086612679] [2023-12-16 05:42:48,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:48,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:42:48,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:48,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:42:48,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:42:48,971 INFO L87 Difference]: Start difference. First operand 1218 states and 2082 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:50,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:50,334 INFO L93 Difference]: Finished difference Result 3019 states and 5247 transitions. [2023-12-16 05:42:50,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:42:50,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2023-12-16 05:42:50,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:50,343 INFO L225 Difference]: With dead ends: 3019 [2023-12-16 05:42:50,343 INFO L226 Difference]: Without dead ends: 1911 [2023-12-16 05:42:50,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 05:42:50,348 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1454 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1472 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 1879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:50,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1472 Valid, 851 Invalid, 1879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 1363 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:42:50,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2023-12-16 05:42:50,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1817. [2023-12-16 05:42:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1817 states, 1430 states have (on average 1.672027972027972) internal successors, (2391), 1438 states have internal predecessors, (2391), 354 states have call successors, (354), 28 states have call predecessors, (354), 32 states have return successors, (385), 352 states have call predecessors, (385), 353 states have call successors, (385) [2023-12-16 05:42:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 3130 transitions. [2023-12-16 05:42:50,414 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 3130 transitions. Word has length 124 [2023-12-16 05:42:50,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:50,414 INFO L495 AbstractCegarLoop]: Abstraction has 1817 states and 3130 transitions. [2023-12-16 05:42:50,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:50,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3130 transitions. [2023-12-16 05:42:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-16 05:42:50,422 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:50,422 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:50,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 05:42:50,422 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:50,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:50,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1697566129, now seen corresponding path program 1 times [2023-12-16 05:42:50,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:50,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287618752] [2023-12-16 05:42:50,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:50,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:42:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:42:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:42:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:42:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:42:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:42:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:42:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:42:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:42:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:42:50,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:50,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287618752] [2023-12-16 05:42:50,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287618752] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:50,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:50,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:42:50,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101114118] [2023-12-16 05:42:50,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:50,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:42:50,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:50,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:42:50,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:42:50,508 INFO L87 Difference]: Start difference. First operand 1817 states and 3130 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:51,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:51,555 INFO L93 Difference]: Finished difference Result 4415 states and 7752 transitions. [2023-12-16 05:42:51,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:42:51,555 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2023-12-16 05:42:51,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:51,568 INFO L225 Difference]: With dead ends: 4415 [2023-12-16 05:42:51,568 INFO L226 Difference]: Without dead ends: 2828 [2023-12-16 05:42:51,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 05:42:51,575 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1443 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 1865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:51,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 843 Invalid, 1865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 05:42:51,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2023-12-16 05:42:51,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2734. [2023-12-16 05:42:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2734 states, 2185 states have (on average 1.6787185354691077) internal successors, (3668), 2193 states have internal predecessors, (3668), 516 states have call successors, (516), 28 states have call predecessors, (516), 32 states have return successors, (563), 514 states have call predecessors, (563), 515 states have call successors, (563) [2023-12-16 05:42:51,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 4747 transitions. [2023-12-16 05:42:51,664 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 4747 transitions. Word has length 125 [2023-12-16 05:42:51,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:51,665 INFO L495 AbstractCegarLoop]: Abstraction has 2734 states and 4747 transitions. [2023-12-16 05:42:51,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:51,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 4747 transitions. [2023-12-16 05:42:51,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-16 05:42:51,675 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:51,675 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:51,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 05:42:51,675 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:51,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:51,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1113949828, now seen corresponding path program 1 times [2023-12-16 05:42:51,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:51,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750385099] [2023-12-16 05:42:51,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:51,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:42:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:42:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:42:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:42:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:42:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:42:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:42:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:42:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:42:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:42:51,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:51,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750385099] [2023-12-16 05:42:51,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750385099] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:51,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:51,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:42:51,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498616659] [2023-12-16 05:42:51,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:51,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:42:51,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:51,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:42:51,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:42:51,791 INFO L87 Difference]: Start difference. First operand 2734 states and 4747 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:53,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:53,081 INFO L93 Difference]: Finished difference Result 6615 states and 11712 transitions. [2023-12-16 05:42:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:42:53,081 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2023-12-16 05:42:53,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:53,119 INFO L225 Difference]: With dead ends: 6615 [2023-12-16 05:42:53,136 INFO L226 Difference]: Without dead ends: 4308 [2023-12-16 05:42:53,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 05:42:53,142 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1450 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 1879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:53,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 849 Invalid, 1879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1369 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:42:53,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4308 states. [2023-12-16 05:42:53,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 4214. [2023-12-16 05:42:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4214 states, 3420 states have (on average 1.683625730994152) internal successors, (5758), 3428 states have internal predecessors, (5758), 761 states have call successors, (761), 28 states have call predecessors, (761), 32 states have return successors, (834), 759 states have call predecessors, (834), 760 states have call successors, (834) [2023-12-16 05:42:53,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4214 states to 4214 states and 7353 transitions. [2023-12-16 05:42:53,279 INFO L78 Accepts]: Start accepts. Automaton has 4214 states and 7353 transitions. Word has length 126 [2023-12-16 05:42:53,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:53,279 INFO L495 AbstractCegarLoop]: Abstraction has 4214 states and 7353 transitions. [2023-12-16 05:42:53,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 4214 states and 7353 transitions. [2023-12-16 05:42:53,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-16 05:42:53,290 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:53,290 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:53,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 05:42:53,291 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:53,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:53,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1755757101, now seen corresponding path program 1 times [2023-12-16 05:42:53,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:53,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683645942] [2023-12-16 05:42:53,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:53,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:42:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:42:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:42:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:42:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:42:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:42:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:42:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:42:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-16 05:42:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:42:53,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:53,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683645942] [2023-12-16 05:42:53,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683645942] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:53,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:53,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:42:53,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033239442] [2023-12-16 05:42:53,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:53,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:42:53,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:53,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:42:53,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:42:53,365 INFO L87 Difference]: Start difference. First operand 4214 states and 7353 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:54,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:54,685 INFO L93 Difference]: Finished difference Result 10544 states and 18737 transitions. [2023-12-16 05:42:54,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:42:54,686 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 127 [2023-12-16 05:42:54,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:54,714 INFO L225 Difference]: With dead ends: 10544 [2023-12-16 05:42:54,714 INFO L226 Difference]: Without dead ends: 6980 [2023-12-16 05:42:54,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 05:42:54,724 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1422 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:54,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 882 Invalid, 1902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 05:42:54,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6980 states. [2023-12-16 05:42:54,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6980 to 6886. [2023-12-16 05:42:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6886 states, 5599 states have (on average 1.6792284336488659) internal successors, (9402), 5607 states have internal predecessors, (9402), 1254 states have call successors, (1254), 28 states have call predecessors, (1254), 32 states have return successors, (1371), 1252 states have call predecessors, (1371), 1253 states have call successors, (1371) [2023-12-16 05:42:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6886 states to 6886 states and 12027 transitions. [2023-12-16 05:42:54,952 INFO L78 Accepts]: Start accepts. Automaton has 6886 states and 12027 transitions. Word has length 127 [2023-12-16 05:42:54,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:54,952 INFO L495 AbstractCegarLoop]: Abstraction has 6886 states and 12027 transitions. [2023-12-16 05:42:54,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 6886 states and 12027 transitions. [2023-12-16 05:42:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-16 05:42:54,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:54,971 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:54,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 05:42:54,971 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:54,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:54,971 INFO L85 PathProgramCache]: Analyzing trace with hash -742754808, now seen corresponding path program 1 times [2023-12-16 05:42:54,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:54,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075267169] [2023-12-16 05:42:54,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:54,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:42:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:42:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:42:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:42:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:42:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:42:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:42:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:42:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:42:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:42:55,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:55,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075267169] [2023-12-16 05:42:55,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075267169] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:55,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:55,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:42:55,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567433624] [2023-12-16 05:42:55,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:55,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:42:55,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:55,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:42:55,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:42:55,066 INFO L87 Difference]: Start difference. First operand 6886 states and 12027 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:56,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:56,475 INFO L93 Difference]: Finished difference Result 17523 states and 31148 transitions. [2023-12-16 05:42:56,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:42:56,475 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2023-12-16 05:42:56,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:56,515 INFO L225 Difference]: With dead ends: 17523 [2023-12-16 05:42:56,515 INFO L226 Difference]: Without dead ends: 11653 [2023-12-16 05:42:56,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 05:42:56,535 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1439 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:56,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1458 Valid, 848 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:42:56,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11653 states. [2023-12-16 05:42:56,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11653 to 11559. [2023-12-16 05:42:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11559 states, 9450 states have (on average 1.6792592592592592) internal successors, (15869), 9458 states have internal predecessors, (15869), 2076 states have call successors, (2076), 28 states have call predecessors, (2076), 32 states have return successors, (2271), 2074 states have call predecessors, (2271), 2075 states have call successors, (2271) [2023-12-16 05:42:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11559 states to 11559 states and 20216 transitions. [2023-12-16 05:42:56,953 INFO L78 Accepts]: Start accepts. Automaton has 11559 states and 20216 transitions. Word has length 128 [2023-12-16 05:42:56,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:56,953 INFO L495 AbstractCegarLoop]: Abstraction has 11559 states and 20216 transitions. [2023-12-16 05:42:56,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 11559 states and 20216 transitions. [2023-12-16 05:42:56,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-16 05:42:56,978 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:56,978 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:56,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 05:42:56,978 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:56,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:56,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1761911151, now seen corresponding path program 1 times [2023-12-16 05:42:56,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:56,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535177159] [2023-12-16 05:42:56,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:56,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:42:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:42:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:42:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:42:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:42:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:42:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:42:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:42:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-16 05:42:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:42:57,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:57,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535177159] [2023-12-16 05:42:57,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535177159] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:57,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:57,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:42:57,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019003431] [2023-12-16 05:42:57,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:57,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:42:57,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:57,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:42:57,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:42:57,075 INFO L87 Difference]: Start difference. First operand 11559 states and 20216 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:58,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:42:58,538 INFO L93 Difference]: Finished difference Result 27649 states and 48966 transitions. [2023-12-16 05:42:58,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:42:58,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2023-12-16 05:42:58,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:42:58,595 INFO L225 Difference]: With dead ends: 27649 [2023-12-16 05:42:58,595 INFO L226 Difference]: Without dead ends: 18037 [2023-12-16 05:42:58,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 05:42:58,624 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 1419 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 1869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:42:58,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 820 Invalid, 1869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 05:42:58,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18037 states. [2023-12-16 05:42:59,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18037 to 17943. [2023-12-16 05:42:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17943 states, 14631 states have (on average 1.6557993301893241) internal successors, (24226), 14639 states have internal predecessors, (24226), 3279 states have call successors, (3279), 28 states have call predecessors, (3279), 32 states have return successors, (3618), 3277 states have call predecessors, (3618), 3278 states have call successors, (3618) [2023-12-16 05:42:59,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17943 states to 17943 states and 31123 transitions. [2023-12-16 05:42:59,329 INFO L78 Accepts]: Start accepts. Automaton has 17943 states and 31123 transitions. Word has length 129 [2023-12-16 05:42:59,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:42:59,330 INFO L495 AbstractCegarLoop]: Abstraction has 17943 states and 31123 transitions. [2023-12-16 05:42:59,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:42:59,330 INFO L276 IsEmpty]: Start isEmpty. Operand 17943 states and 31123 transitions. [2023-12-16 05:42:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-16 05:42:59,354 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:42:59,354 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:42:59,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 05:42:59,354 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:42:59,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:42:59,354 INFO L85 PathProgramCache]: Analyzing trace with hash -99709815, now seen corresponding path program 1 times [2023-12-16 05:42:59,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:42:59,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840299382] [2023-12-16 05:42:59,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:42:59,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:42:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:42:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:42:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:42:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:42:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:42:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:42:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:42:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:42:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:42:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:42:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:42:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:42:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:42:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-16 05:42:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:42:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:42:59,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:42:59,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840299382] [2023-12-16 05:42:59,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840299382] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:42:59,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:42:59,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:42:59,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999459539] [2023-12-16 05:42:59,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:42:59,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:42:59,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:42:59,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:42:59,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:42:59,433 INFO L87 Difference]: Start difference. First operand 17943 states and 31123 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:43:01,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:43:01,286 INFO L93 Difference]: Finished difference Result 47474 states and 83873 transitions. [2023-12-16 05:43:01,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:43:01,286 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2023-12-16 05:43:01,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:43:01,400 INFO L225 Difference]: With dead ends: 47474 [2023-12-16 05:43:01,400 INFO L226 Difference]: Without dead ends: 32070 [2023-12-16 05:43:01,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 05:43:01,439 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1413 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:43:01,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 843 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:43:01,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32070 states. [2023-12-16 05:43:02,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32070 to 31976. [2023-12-16 05:43:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31976 states, 26214 states have (on average 1.6529335469596398) internal successors, (43330), 26222 states have internal predecessors, (43330), 5729 states have call successors, (5729), 28 states have call predecessors, (5729), 32 states have return successors, (6342), 5727 states have call predecessors, (6342), 5728 states have call successors, (6342) [2023-12-16 05:43:02,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31976 states to 31976 states and 55401 transitions. [2023-12-16 05:43:02,601 INFO L78 Accepts]: Start accepts. Automaton has 31976 states and 55401 transitions. Word has length 130 [2023-12-16 05:43:02,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:43:02,601 INFO L495 AbstractCegarLoop]: Abstraction has 31976 states and 55401 transitions. [2023-12-16 05:43:02,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:43:02,601 INFO L276 IsEmpty]: Start isEmpty. Operand 31976 states and 55401 transitions. [2023-12-16 05:43:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-16 05:43:02,630 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:43:02,630 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:43:02,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 05:43:02,631 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:43:02,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:43:02,631 INFO L85 PathProgramCache]: Analyzing trace with hash 340864457, now seen corresponding path program 1 times [2023-12-16 05:43:02,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:43:02,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719067684] [2023-12-16 05:43:02,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:43:02,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:43:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:43:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:43:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:43:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:43:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:43:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:43:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:43:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:43:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:43:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:43:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:43:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:43:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:43:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-16 05:43:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:02,702 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:43:02,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:43:02,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719067684] [2023-12-16 05:43:02,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719067684] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:43:02,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:43:02,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:43:02,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583149520] [2023-12-16 05:43:02,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:43:02,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:43:02,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:43:02,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:43:02,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:43:02,704 INFO L87 Difference]: Start difference. First operand 31976 states and 55401 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:43:05,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:43:05,040 INFO L93 Difference]: Finished difference Result 87196 states and 153332 transitions. [2023-12-16 05:43:05,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:43:05,041 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2023-12-16 05:43:05,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:43:05,268 INFO L225 Difference]: With dead ends: 87196 [2023-12-16 05:43:05,268 INFO L226 Difference]: Without dead ends: 58618 [2023-12-16 05:43:05,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 05:43:05,325 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 1422 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 530 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:43:05,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 849 Invalid, 1874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [530 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 05:43:05,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58618 states. [2023-12-16 05:43:07,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58618 to 58524. [2023-12-16 05:43:07,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58524 states, 48249 states have (on average 1.6490289954195942) internal successors, (79564), 48257 states have internal predecessors, (79564), 10242 states have call successors, (10242), 28 states have call predecessors, (10242), 32 states have return successors, (11387), 10240 states have call predecessors, (11387), 10241 states have call successors, (11387) [2023-12-16 05:43:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58524 states to 58524 states and 101193 transitions. [2023-12-16 05:43:07,754 INFO L78 Accepts]: Start accepts. Automaton has 58524 states and 101193 transitions. Word has length 131 [2023-12-16 05:43:07,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:43:07,754 INFO L495 AbstractCegarLoop]: Abstraction has 58524 states and 101193 transitions. [2023-12-16 05:43:07,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:43:07,755 INFO L276 IsEmpty]: Start isEmpty. Operand 58524 states and 101193 transitions. [2023-12-16 05:43:07,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-16 05:43:07,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:43:07,793 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:43:07,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 05:43:07,793 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:43:07,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:43:07,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1666171625, now seen corresponding path program 1 times [2023-12-16 05:43:07,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:43:07,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14482786] [2023-12-16 05:43:07,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:43:07,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:43:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:43:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:43:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:43:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:43:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:43:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:43:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:43:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:43:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:43:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:43:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:43:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:43:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:43:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-16 05:43:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:43:07,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:43:07,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14482786] [2023-12-16 05:43:07,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14482786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:43:07,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:43:07,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:43:07,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678279310] [2023-12-16 05:43:07,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:43:07,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:43:07,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:43:07,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:43:07,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:43:07,866 INFO L87 Difference]: Start difference. First operand 58524 states and 101193 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:43:10,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:43:10,916 INFO L93 Difference]: Finished difference Result 109520 states and 193143 transitions. [2023-12-16 05:43:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:43:10,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2023-12-16 05:43:10,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:43:11,615 INFO L225 Difference]: With dead ends: 109520 [2023-12-16 05:43:11,615 INFO L226 Difference]: Without dead ends: 109320 [2023-12-16 05:43:11,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 05:43:11,661 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1461 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 1843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:43:11,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 843 Invalid, 1843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:43:11,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109320 states. [2023-12-16 05:43:15,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109320 to 109226. [2023-12-16 05:43:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109226 states, 90583 states have (on average 1.6439618913041079) internal successors, (148915), 90591 states have internal predecessors, (148915), 18610 states have call successors, (18610), 28 states have call predecessors, (18610), 32 states have return successors, (20801), 18608 states have call predecessors, (20801), 18609 states have call successors, (20801) [2023-12-16 05:43:15,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109226 states to 109226 states and 188326 transitions. [2023-12-16 05:43:15,523 INFO L78 Accepts]: Start accepts. Automaton has 109226 states and 188326 transitions. Word has length 132 [2023-12-16 05:43:15,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:43:15,523 INFO L495 AbstractCegarLoop]: Abstraction has 109226 states and 188326 transitions. [2023-12-16 05:43:15,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 05:43:15,523 INFO L276 IsEmpty]: Start isEmpty. Operand 109226 states and 188326 transitions. [2023-12-16 05:43:15,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-16 05:43:15,573 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:43:15,574 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:43:15,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 05:43:15,574 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:43:15,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:43:15,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1889104840, now seen corresponding path program 1 times [2023-12-16 05:43:15,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:43:15,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874190120] [2023-12-16 05:43:15,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:43:15,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:43:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:43:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:43:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:43:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:43:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:43:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:43:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:43:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:43:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:43:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:43:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:43:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:43:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:43:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 05:43:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:43:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:43:15,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:43:15,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874190120] [2023-12-16 05:43:15,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874190120] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:43:15,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:43:15,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-16 05:43:15,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074750375] [2023-12-16 05:43:15,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:43:15,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-16 05:43:15,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:43:15,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-16 05:43:15,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2023-12-16 05:43:15,980 INFO L87 Difference]: Start difference. First operand 109226 states and 188326 transitions. Second operand has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2023-12-16 05:43:26,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:43:26,685 INFO L93 Difference]: Finished difference Result 218054 states and 387929 transitions. [2023-12-16 05:43:26,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-16 05:43:26,686 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 133 [2023-12-16 05:43:26,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. Received shutdown request... [2023-12-16 05:43:27,672 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 05:43:27,838 INFO L225 Difference]: With dead ends: 218054 [2023-12-16 05:43:27,838 INFO L226 Difference]: Without dead ends: 217859 [2023-12-16 05:43:27,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1432 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=862, Invalid=3830, Unknown=0, NotChecked=0, Total=4692 [2023-12-16 05:43:27,922 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 5142 mSDsluCounter, 2584 mSDsCounter, 0 mSdLazyCounter, 7605 mSolverCounterSat, 1884 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5156 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 9489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1884 IncrementalHoareTripleChecker+Valid, 7605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:43:27,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5156 Valid, 2823 Invalid, 9489 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1884 Valid, 7605 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-12-16 05:43:28,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217859 states. [2023-12-16 05:43:28,075 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:43:28,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-16 05:43:28,075 WARN L619 AbstractCegarLoop]: Verification canceled: while executing MinimizeSevpa. [2023-12-16 05:43:28,079 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:43:28,081 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:43:28,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:43:28 BoogieIcfgContainer [2023-12-16 05:43:28,083 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:43:28,083 INFO L158 Benchmark]: Toolchain (without parser) took 58826.02ms. Allocated memory was 220.2MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 152.5MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2023-12-16 05:43:28,083 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 220.2MB. Free memory was 168.9MB in the beginning and 168.8MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:43:28,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.10ms. Allocated memory was 220.2MB in the beginning and 316.7MB in the end (delta: 96.5MB). Free memory was 152.3MB in the beginning and 252.2MB in the end (delta: -99.8MB). Peak memory consumption was 19.3MB. Max. memory is 8.0GB. [2023-12-16 05:43:28,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.07ms. Allocated memory is still 316.7MB. Free memory was 252.2MB in the beginning and 246.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 05:43:28,084 INFO L158 Benchmark]: Boogie Preprocessor took 109.62ms. Allocated memory is still 316.7MB. Free memory was 246.4MB in the beginning and 239.0MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 05:43:28,084 INFO L158 Benchmark]: RCFGBuilder took 978.23ms. Allocated memory is still 316.7MB. Free memory was 239.0MB in the beginning and 228.0MB in the end (delta: 11.0MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-12-16 05:43:28,084 INFO L158 Benchmark]: TraceAbstraction took 57020.83ms. Allocated memory was 316.7MB in the beginning and 6.4GB in the end (delta: 6.1GB). Free memory was 227.5MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-12-16 05:43:28,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 220.2MB. Free memory was 168.9MB in the beginning and 168.8MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 622.10ms. Allocated memory was 220.2MB in the beginning and 316.7MB in the end (delta: 96.5MB). Free memory was 152.3MB in the beginning and 252.2MB in the end (delta: -99.8MB). Peak memory consumption was 19.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 91.07ms. Allocated memory is still 316.7MB. Free memory was 252.2MB in the beginning and 246.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 109.62ms. Allocated memory is still 316.7MB. Free memory was 246.4MB in the beginning and 239.0MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 978.23ms. Allocated memory is still 316.7MB. Free memory was 239.0MB in the beginning and 228.0MB in the end (delta: 11.0MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 57020.83ms. Allocated memory was 316.7MB in the beginning and 6.4GB in the end (delta: 6.1GB). Free memory was 227.5MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 1.6GB. 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,"featureselect.i","") [48] - GenericResultAtLocation [Line: 97]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [97] - GenericResultAtLocation [Line: 246]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [246] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [290] - GenericResultAtLocation [Line: 674]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [674] - GenericResultAtLocation [Line: 691]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [691] - GenericResultAtLocation [Line: 1057]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1057] - GenericResultAtLocation [Line: 1282]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1282] - GenericResultAtLocation [Line: 1679]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1679] - GenericResultAtLocation [Line: 2752]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2752] - GenericResultAtLocation [Line: 3030]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3030] * 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: 3035]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3035). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 383 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.0s, OverallIterations: 21, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 40.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27015 SdHoareTripleChecker+Valid, 24.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26737 mSDsluCounter, 25600 SdHoareTripleChecker+Invalid, 20.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19656 mSDsCounter, 9523 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36484 IncrementalHoareTripleChecker+Invalid, 46007 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9523 mSolverCounterUnsat, 5944 mSDtfsCounter, 36484 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1683 GetRequests, 1369 SyntacticMatches, 0 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1827 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109226occurred in iteration=20, InterpolantAutomatonStates: 227, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.5s AutomataMinimizationTime, 21 MinimizatonAttempts, 1405 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 3184 NumberOfCodeBlocks, 3184 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3273 ConstructedInterpolants, 0 QuantifiedInterpolants, 5662 SizeOfPredicates, 8 NumberOfNonLiveVariables, 6423 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 818/842 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 [2023-12-16 05:43:28,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0