/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec6_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 23:21:43,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 23:21:43,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 23:21:43,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 23:21:43,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 23:21:43,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 23:21:43,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 23:21:43,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 23:21:43,696 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 23:21:43,699 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 23:21:43,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 23:21:43,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 23:21:43,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 23:21:43,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 23:21:43,702 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 23:21:43,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 23:21:43,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 23:21:43,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 23:21:43,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 23:21:43,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 23:21:43,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 23:21:43,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 23:21:43,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 23:21:43,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 23:21:43,704 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 23:21:43,705 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 23:21:43,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 23:21:43,705 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 23:21:43,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 23:21:43,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 23:21:43,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 23:21:43,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 23:21:43,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:21:43,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 23:21:43,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 23:21:43,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 23:21:43,708 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 23:21:43,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 23:21:43,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 23:21:43,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 23:21:43,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 23:21:43,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 23:21:43,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 23:21:43,709 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 23:21:43,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 23:21:43,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 23:21:43,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 23:21:43,959 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 23:21:43,961 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 23:21:43,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product21.cil.c [2023-12-19 23:21:45,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 23:21:45,449 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 23:21:45,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product21.cil.c [2023-12-19 23:21:45,483 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00e1e58a6/b19baffd097e4ee194e6db469af26b84/FLAGf00df7978 [2023-12-19 23:21:45,497 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00e1e58a6/b19baffd097e4ee194e6db469af26b84 [2023-12-19 23:21:45,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 23:21:45,500 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 23:21:45,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 23:21:45,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 23:21:45,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 23:21:45,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:21:45" (1/1) ... [2023-12-19 23:21:45,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581548a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:45, skipping insertion in model container [2023-12-19 23:21:45,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:21:45" (1/1) ... [2023-12-19 23:21:45,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 23:21:46,022 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_spec6_product21.cil.c[54302,54315] [2023-12-19 23:21:46,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:21:46,092 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 23:21:46,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2023-12-19 23:21:46,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [66] [2023-12-19 23:21:46,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [129] [2023-12-19 23:21:46,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [239] [2023-12-19 23:21:46,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [562] [2023-12-19 23:21:46,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1634] [2023-12-19 23:21:46,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1672] [2023-12-19 23:21:46,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1901] [2023-12-19 23:21:46,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2189] [2023-12-19 23:21:46,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2592] [2023-12-19 23:21:46,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2601] [2023-12-19 23:21:46,175 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_spec6_product21.cil.c[54302,54315] [2023-12-19 23:21:46,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 23:21:46,252 INFO L206 MainTranslator]: Completed translation [2023-12-19 23:21:46,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46 WrapperNode [2023-12-19 23:21:46,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 23:21:46,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 23:21:46,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 23:21:46,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 23:21:46,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,336 INFO L138 Inliner]: procedures = 129, calls = 202, calls flagged for inlining = 56, calls inlined = 53, statements flattened = 1029 [2023-12-19 23:21:46,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 23:21:46,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 23:21:46,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 23:21:46,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 23:21:46,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,358 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,391 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2023-12-19 23:21:46,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 23:21:46,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 23:21:46,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 23:21:46,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 23:21:46,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (1/1) ... [2023-12-19 23:21:46,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 23:21:46,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:21:46,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 23:21:46,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 23:21:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-19 23:21:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-19 23:21:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-19 23:21:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-19 23:21:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-19 23:21:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-19 23:21:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-19 23:21:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-19 23:21:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-19 23:21:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-19 23:21:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-19 23:21:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-19 23:21:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-19 23:21:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-19 23:21:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-19 23:21:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-19 23:21:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-19 23:21:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-19 23:21:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-19 23:21:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-19 23:21:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-19 23:21:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-19 23:21:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 23:21:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-19 23:21:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-19 23:21:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-19 23:21:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-19 23:21:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-19 23:21:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-19 23:21:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-19 23:21:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-19 23:21:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-19 23:21:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-19 23:21:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-12-19 23:21:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-12-19 23:21:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-19 23:21:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-19 23:21:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-19 23:21:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-19 23:21:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-19 23:21:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-19 23:21:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-19 23:21:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-19 23:21:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 23:21:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 23:21:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-19 23:21:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-19 23:21:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-19 23:21:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-19 23:21:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-19 23:21:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-19 23:21:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 23:21:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 23:21:46,660 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 23:21:46,662 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 23:21:47,300 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 23:21:47,364 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 23:21:47,364 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 23:21:47,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:21:47 BoogieIcfgContainer [2023-12-19 23:21:47,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 23:21:47,367 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 23:21:47,367 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 23:21:47,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 23:21:47,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:21:45" (1/3) ... [2023-12-19 23:21:47,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f834982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:21:47, skipping insertion in model container [2023-12-19 23:21:47,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:21:46" (2/3) ... [2023-12-19 23:21:47,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f834982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:21:47, skipping insertion in model container [2023-12-19 23:21:47,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:21:47" (3/3) ... [2023-12-19 23:21:47,372 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2023-12-19 23:21:47,384 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 23:21:47,384 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 23:21:47,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 23:21:47,438 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;@4b1fbdf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 23:21:47,439 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 23:21:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 360 states, 274 states have (on average 1.6167883211678833) internal successors, (443), 279 states have internal predecessors, (443), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-19 23:21:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-19 23:21:47,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:21:47,463 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:21:47,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:21:47,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:21:47,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1983972941, now seen corresponding path program 1 times [2023-12-19 23:21:47,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:21:47,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109466246] [2023-12-19 23:21:47,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:47,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:21:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:47,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:21:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:21:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:21:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:21:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:21:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:21:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-19 23:21:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 23:21:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:21:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 23:21:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 23:21:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-19 23:21:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:21:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:21:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:21:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-19 23:21:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:21:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 23:21:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:21:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-19 23:21:48,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:21:48,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109466246] [2023-12-19 23:21:48,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109466246] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:21:48,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883173747] [2023-12-19 23:21:48,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:48,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:21:48,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:21:48,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 23:21:48,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 23:21:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:48,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 23:21:48,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:21:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-19 23:21:48,471 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:21:48,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883173747] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:21:48,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:21:48,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-19 23:21:48,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449031520] [2023-12-19 23:21:48,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:21:48,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 23:21:48,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:21:48,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 23:21:48,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:21:48,516 INFO L87 Difference]: Start difference. First operand has 360 states, 274 states have (on average 1.6167883211678833) internal successors, (443), 279 states have internal predecessors, (443), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:21:48,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:21:48,619 INFO L93 Difference]: Finished difference Result 536 states and 829 transitions. [2023-12-19 23:21:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 23:21:48,623 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 134 [2023-12-19 23:21:48,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:21:48,640 INFO L225 Difference]: With dead ends: 536 [2023-12-19 23:21:48,640 INFO L226 Difference]: Without dead ends: 357 [2023-12-19 23:21:48,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:21:48,651 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:21:48,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 545 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:21:48,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-12-19 23:21:48,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2023-12-19 23:21:48,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 272 states have (on average 1.6029411764705883) internal successors, (436), 276 states have internal predecessors, (436), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-19 23:21:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 557 transitions. [2023-12-19 23:21:48,725 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 557 transitions. Word has length 134 [2023-12-19 23:21:48,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:21:48,727 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 557 transitions. [2023-12-19 23:21:48,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:21:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 557 transitions. [2023-12-19 23:21:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-19 23:21:48,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:21:48,734 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:21:48,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 23:21:48,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-19 23:21:48,942 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:21:48,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:21:48,943 INFO L85 PathProgramCache]: Analyzing trace with hash -670398099, now seen corresponding path program 1 times [2023-12-19 23:21:48,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:21:48,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177038951] [2023-12-19 23:21:48,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:48,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:21:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:21:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:21:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:21:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:21:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:21:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:21:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-19 23:21:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-19 23:21:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 23:21:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 23:21:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-19 23:21:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:21:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:21:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 23:21:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:21:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:21:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-19 23:21:49,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:21:49,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177038951] [2023-12-19 23:21:49,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177038951] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:21:49,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112559285] [2023-12-19 23:21:49,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:49,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:21:49,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:21:49,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 23:21:49,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 23:21:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 23:21:49,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:21:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-19 23:21:49,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:21:49,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112559285] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:21:49,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:21:49,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-19 23:21:49,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802294396] [2023-12-19 23:21:49,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:21:49,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:21:49,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:21:49,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:21:49,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:21:49,441 INFO L87 Difference]: Start difference. First operand 357 states and 557 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:21:49,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:21:49,510 INFO L93 Difference]: Finished difference Result 532 states and 813 transitions. [2023-12-19 23:21:49,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:21:49,510 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 117 [2023-12-19 23:21:49,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:21:49,513 INFO L225 Difference]: With dead ends: 532 [2023-12-19 23:21:49,513 INFO L226 Difference]: Without dead ends: 359 [2023-12-19 23:21:49,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:21:49,516 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 0 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:21:49,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1083 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:21:49,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2023-12-19 23:21:49,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2023-12-19 23:21:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 274 states have (on average 1.5985401459854014) internal successors, (438), 278 states have internal predecessors, (438), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-19 23:21:49,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 559 transitions. [2023-12-19 23:21:49,545 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 559 transitions. Word has length 117 [2023-12-19 23:21:49,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:21:49,546 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 559 transitions. [2023-12-19 23:21:49,548 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:21:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 559 transitions. [2023-12-19 23:21:49,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-19 23:21:49,551 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:21:49,551 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:21:49,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 23:21:49,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-19 23:21:49,760 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:21:49,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:21:49,762 INFO L85 PathProgramCache]: Analyzing trace with hash 670300720, now seen corresponding path program 1 times [2023-12-19 23:21:49,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:21:49,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067076600] [2023-12-19 23:21:49,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:49,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:21:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:21:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:21:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:21:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:21:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:21:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:21:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-19 23:21:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 23:21:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-19 23:21:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:21:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 23:21:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:21:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:21:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:21:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:21:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:21:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-19 23:21:49,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:21:49,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067076600] [2023-12-19 23:21:49,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067076600] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:21:49,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481556094] [2023-12-19 23:21:49,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:49,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:21:49,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:21:49,994 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 23:21:50,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 23:21:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 23:21:50,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:21:50,282 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-19 23:21:50,282 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:21:50,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481556094] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:21:50,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:21:50,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-19 23:21:50,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641693839] [2023-12-19 23:21:50,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:21:50,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 23:21:50,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:21:50,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 23:21:50,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:21:50,284 INFO L87 Difference]: Start difference. First operand 359 states and 559 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:21:50,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:21:50,326 INFO L93 Difference]: Finished difference Result 766 states and 1210 transitions. [2023-12-19 23:21:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 23:21:50,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 122 [2023-12-19 23:21:50,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:21:50,329 INFO L225 Difference]: With dead ends: 766 [2023-12-19 23:21:50,329 INFO L226 Difference]: Without dead ends: 429 [2023-12-19 23:21:50,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:21:50,331 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 129 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:21:50,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1049 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 23:21:50,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2023-12-19 23:21:50,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 424. [2023-12-19 23:21:50,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 325 states have (on average 1.6153846153846154) internal successors, (525), 329 states have internal predecessors, (525), 75 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2023-12-19 23:21:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 674 transitions. [2023-12-19 23:21:50,344 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 674 transitions. Word has length 122 [2023-12-19 23:21:50,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:21:50,345 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 674 transitions. [2023-12-19 23:21:50,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:21:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 674 transitions. [2023-12-19 23:21:50,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-19 23:21:50,347 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:21:50,347 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:21:50,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-19 23:21:50,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:21:50,554 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:21:50,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:21:50,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1394003804, now seen corresponding path program 1 times [2023-12-19 23:21:50,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:21:50,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236672027] [2023-12-19 23:21:50,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:50,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:21:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:21:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:21:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:21:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 23:21:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 23:21:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 23:21:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-19 23:21:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-19 23:21:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 23:21:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 23:21:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-19 23:21:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:21:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:21:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:21:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:21:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:21:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:21:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:21:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-19 23:21:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-19 23:21:50,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:21:50,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236672027] [2023-12-19 23:21:50,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236672027] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:21:50,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005806554] [2023-12-19 23:21:50,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:50,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:21:50,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:21:50,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 23:21:50,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 23:21:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:50,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-19 23:21:50,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:21:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-19 23:21:51,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:21:51,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005806554] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:21:51,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:21:51,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-19 23:21:51,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322520129] [2023-12-19 23:21:51,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:21:51,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:21:51,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:21:51,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:21:51,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:21:51,071 INFO L87 Difference]: Start difference. First operand 424 states and 674 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-19 23:21:51,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:21:51,174 INFO L93 Difference]: Finished difference Result 843 states and 1342 transitions. [2023-12-19 23:21:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 23:21:51,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 141 [2023-12-19 23:21:51,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:21:51,179 INFO L225 Difference]: With dead ends: 843 [2023-12-19 23:21:51,180 INFO L226 Difference]: Without dead ends: 426 [2023-12-19 23:21:51,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:21:51,183 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 8 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2121 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:21:51,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2121 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:21:51,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2023-12-19 23:21:51,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2023-12-19 23:21:51,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 326 states have (on average 1.6134969325153374) internal successors, (526), 331 states have internal predecessors, (526), 75 states have call successors, (75), 23 states have call predecessors, (75), 24 states have return successors, (76), 73 states have call predecessors, (76), 74 states have call successors, (76) [2023-12-19 23:21:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 677 transitions. [2023-12-19 23:21:51,211 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 677 transitions. Word has length 141 [2023-12-19 23:21:51,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:21:51,211 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 677 transitions. [2023-12-19 23:21:51,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-19 23:21:51,211 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 677 transitions. [2023-12-19 23:21:51,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 23:21:51,216 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:21:51,216 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:21:51,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 23:21:51,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:21:51,444 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:21:51,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:21:51,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1426364590, now seen corresponding path program 1 times [2023-12-19 23:21:51,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:21:51,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928745859] [2023-12-19 23:21:51,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:51,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:21:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:21:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:21:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:21:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:21:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-19 23:21:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-19 23:21:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 23:21:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:21:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:21:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:21:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:21:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 23:21:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:21:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:21:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:21:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:21:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-19 23:21:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:21:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:21:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-19 23:21:51,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:21:51,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928745859] [2023-12-19 23:21:51,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928745859] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:21:51,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720739373] [2023-12-19 23:21:51,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:51,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:21:51,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:21:51,681 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 23:21:51,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 23:21:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:51,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 23:21:51,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:21:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-19 23:21:52,034 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:21:52,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720739373] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:21:52,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:21:52,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-19 23:21:52,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526493043] [2023-12-19 23:21:52,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:21:52,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 23:21:52,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:21:52,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 23:21:52,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-19 23:21:52,037 INFO L87 Difference]: Start difference. First operand 426 states and 677 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-19 23:21:52,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:21:52,133 INFO L93 Difference]: Finished difference Result 845 states and 1347 transitions. [2023-12-19 23:21:52,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 23:21:52,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 142 [2023-12-19 23:21:52,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:21:52,136 INFO L225 Difference]: With dead ends: 845 [2023-12-19 23:21:52,136 INFO L226 Difference]: Without dead ends: 428 [2023-12-19 23:21:52,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-19 23:21:52,138 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 8 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:21:52,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2107 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 23:21:52,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2023-12-19 23:21:52,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2023-12-19 23:21:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 327 states have (on average 1.6116207951070336) internal successors, (527), 333 states have internal predecessors, (527), 75 states have call successors, (75), 23 states have call predecessors, (75), 25 states have return successors, (81), 73 states have call predecessors, (81), 74 states have call successors, (81) [2023-12-19 23:21:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 683 transitions. [2023-12-19 23:21:52,160 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 683 transitions. Word has length 142 [2023-12-19 23:21:52,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:21:52,161 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 683 transitions. [2023-12-19 23:21:52,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-19 23:21:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 683 transitions. [2023-12-19 23:21:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-19 23:21:52,163 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:21:52,163 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:21:52,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 23:21:52,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:21:52,364 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:21:52,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:21:52,365 INFO L85 PathProgramCache]: Analyzing trace with hash 434680885, now seen corresponding path program 1 times [2023-12-19 23:21:52,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:21:52,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169761454] [2023-12-19 23:21:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:52,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:21:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:21:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:21:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:21:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:21:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:21:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-19 23:21:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-19 23:21:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 23:21:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-19 23:21:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:21:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-19 23:21:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:21:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 23:21:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 23:21:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:21:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-19 23:21:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:21:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:21:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-19 23:21:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-19 23:21:52,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:21:52,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169761454] [2023-12-19 23:21:52,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169761454] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:21:52,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:21:52,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 23:21:52,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143546805] [2023-12-19 23:21:52,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:21:52,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 23:21:52,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:21:52,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 23:21:52,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:21:52,557 INFO L87 Difference]: Start difference. First operand 428 states and 683 transitions. Second operand has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-19 23:21:54,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:21:54,439 INFO L93 Difference]: Finished difference Result 972 states and 1580 transitions. [2023-12-19 23:21:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 23:21:54,440 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 143 [2023-12-19 23:21:54,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:21:54,449 INFO L225 Difference]: With dead ends: 972 [2023-12-19 23:21:54,449 INFO L226 Difference]: Without dead ends: 563 [2023-12-19 23:21:54,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-19 23:21:54,452 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1189 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2734 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 3151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 2734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:21:54,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 1193 Invalid, 3151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 2734 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 23:21:54,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2023-12-19 23:21:54,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 428. [2023-12-19 23:21:54,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 327 states have (on average 1.6116207951070336) internal successors, (527), 333 states have internal predecessors, (527), 75 states have call successors, (75), 23 states have call predecessors, (75), 25 states have return successors, (80), 73 states have call predecessors, (80), 74 states have call successors, (80) [2023-12-19 23:21:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 682 transitions. [2023-12-19 23:21:54,487 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 682 transitions. Word has length 143 [2023-12-19 23:21:54,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:21:54,487 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 682 transitions. [2023-12-19 23:21:54,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-19 23:21:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 682 transitions. [2023-12-19 23:21:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-19 23:21:54,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:21:54,490 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:21:54,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 23:21:54,490 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:21:54,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:21:54,491 INFO L85 PathProgramCache]: Analyzing trace with hash -496221303, now seen corresponding path program 1 times [2023-12-19 23:21:54,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:21:54,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517780166] [2023-12-19 23:21:54,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:21:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:21:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:21:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:21:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:21:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:21:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 23:21:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-19 23:21:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-19 23:21:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 23:21:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 23:21:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 23:21:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:21:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-19 23:21:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 23:21:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 23:21:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-19 23:21:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:54,711 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-19 23:21:54,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:21:54,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517780166] [2023-12-19 23:21:54,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517780166] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:21:54,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:21:54,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 23:21:54,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493282010] [2023-12-19 23:21:54,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:21:54,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 23:21:54,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:21:54,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 23:21:54,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-19 23:21:54,713 INFO L87 Difference]: Start difference. First operand 428 states and 682 transitions. Second operand has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-19 23:21:56,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:21:56,436 INFO L93 Difference]: Finished difference Result 974 states and 1583 transitions. [2023-12-19 23:21:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 23:21:56,437 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 126 [2023-12-19 23:21:56,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:21:56,440 INFO L225 Difference]: With dead ends: 974 [2023-12-19 23:21:56,440 INFO L226 Difference]: Without dead ends: 565 [2023-12-19 23:21:56,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-19 23:21:56,442 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1187 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2711 mSolverCounterSat, 422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 3133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 2711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-19 23:21:56,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 1192 Invalid, 3133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 2711 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-19 23:21:56,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2023-12-19 23:21:56,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 430. [2023-12-19 23:21:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 328 states have (on average 1.6097560975609757) internal successors, (528), 335 states have internal predecessors, (528), 75 states have call successors, (75), 23 states have call predecessors, (75), 26 states have return successors, (82), 73 states have call predecessors, (82), 74 states have call successors, (82) [2023-12-19 23:21:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 685 transitions. [2023-12-19 23:21:56,461 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 685 transitions. Word has length 126 [2023-12-19 23:21:56,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:21:56,462 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 685 transitions. [2023-12-19 23:21:56,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-19 23:21:56,462 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 685 transitions. [2023-12-19 23:21:56,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-19 23:21:56,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:21:56,464 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:21:56,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 23:21:56,464 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:21:56,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:21:56,464 INFO L85 PathProgramCache]: Analyzing trace with hash -256284742, now seen corresponding path program 1 times [2023-12-19 23:21:56,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:21:56,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860714524] [2023-12-19 23:21:56,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:56,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:21:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:21:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:21:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:21:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:21:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:21:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:21:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 23:21:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-19 23:21:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-19 23:21:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:21:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 23:21:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 23:21:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:21:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 23:21:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 23:21:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-19 23:21:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-19 23:21:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-19 23:21:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-19 23:21:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-19 23:21:56,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:21:56,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860714524] [2023-12-19 23:21:56,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860714524] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:21:56,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:21:56,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-19 23:21:56,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703540307] [2023-12-19 23:21:56,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:21:56,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 23:21:56,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:21:56,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 23:21:56,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:21:56,663 INFO L87 Difference]: Start difference. First operand 430 states and 685 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-19 23:21:58,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:21:58,992 INFO L93 Difference]: Finished difference Result 972 states and 1578 transitions. [2023-12-19 23:21:58,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 23:21:58,992 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 145 [2023-12-19 23:21:58,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:21:58,996 INFO L225 Difference]: With dead ends: 972 [2023-12-19 23:21:58,996 INFO L226 Difference]: Without dead ends: 565 [2023-12-19 23:21:58,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-19 23:21:58,998 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 1194 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4566 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 4989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 4566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-19 23:21:58,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 1652 Invalid, 4989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 4566 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-19 23:21:58,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2023-12-19 23:21:59,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 430. [2023-12-19 23:21:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 328 states have (on average 1.6097560975609757) internal successors, (528), 335 states have internal predecessors, (528), 75 states have call successors, (75), 23 states have call predecessors, (75), 26 states have return successors, (81), 73 states have call predecessors, (81), 74 states have call successors, (81) [2023-12-19 23:21:59,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 684 transitions. [2023-12-19 23:21:59,053 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 684 transitions. Word has length 145 [2023-12-19 23:21:59,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:21:59,054 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 684 transitions. [2023-12-19 23:21:59,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-19 23:21:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 684 transitions. [2023-12-19 23:21:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-19 23:21:59,055 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:21:59,056 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:21:59,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 23:21:59,056 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:21:59,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:21:59,056 INFO L85 PathProgramCache]: Analyzing trace with hash -849024847, now seen corresponding path program 1 times [2023-12-19 23:21:59,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:21:59,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919336052] [2023-12-19 23:21:59,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:21:59,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:21:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:21:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:21:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:21:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:21:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:21:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:21:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-19 23:21:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 23:21:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-19 23:21:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:21:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:21:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:21:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:21:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:21:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-19 23:21:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 23:21:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:21:59,226 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-19 23:21:59,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:21:59,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919336052] [2023-12-19 23:21:59,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919336052] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:21:59,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:21:59,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-19 23:21:59,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047492029] [2023-12-19 23:21:59,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:21:59,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 23:21:59,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:21:59,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 23:21:59,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-19 23:21:59,228 INFO L87 Difference]: Start difference. First operand 430 states and 684 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2023-12-19 23:22:01,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:01,626 INFO L93 Difference]: Finished difference Result 974 states and 1584 transitions. [2023-12-19 23:22:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 23:22:01,627 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 128 [2023-12-19 23:22:01,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:01,630 INFO L225 Difference]: With dead ends: 974 [2023-12-19 23:22:01,630 INFO L226 Difference]: Without dead ends: 567 [2023-12-19 23:22:01,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-19 23:22:01,633 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 1187 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4625 mSolverCounterSat, 418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 5043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 418 IncrementalHoareTripleChecker+Valid, 4625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:01,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 1653 Invalid, 5043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [418 Valid, 4625 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-19 23:22:01,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2023-12-19 23:22:01,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 432. [2023-12-19 23:22:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 329 states have (on average 1.6079027355623101) internal successors, (529), 337 states have internal predecessors, (529), 75 states have call successors, (75), 23 states have call predecessors, (75), 27 states have return successors, (86), 73 states have call predecessors, (86), 74 states have call successors, (86) [2023-12-19 23:22:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 690 transitions. [2023-12-19 23:22:01,656 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 690 transitions. Word has length 128 [2023-12-19 23:22:01,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:01,656 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 690 transitions. [2023-12-19 23:22:01,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2023-12-19 23:22:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 690 transitions. [2023-12-19 23:22:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-19 23:22:01,658 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:01,658 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:01,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 23:22:01,658 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:01,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:01,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1993595033, now seen corresponding path program 1 times [2023-12-19 23:22:01,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:01,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647266382] [2023-12-19 23:22:01,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:01,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-19 23:22:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-19 23:22:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 23:22:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-19 23:22:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:22:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 23:22:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:22:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:22:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:22:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:22:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-19 23:22:01,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:01,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647266382] [2023-12-19 23:22:01,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647266382] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:22:01,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984898700] [2023-12-19 23:22:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:01,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:22:01,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:22:01,773 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 23:22:01,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 23:22:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:02,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 23:22:02,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:22:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-19 23:22:02,049 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 23:22:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-19 23:22:02,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984898700] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 23:22:02,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 23:22:02,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-12-19 23:22:02,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056962101] [2023-12-19 23:22:02,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 23:22:02,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 23:22:02,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:02,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 23:22:02,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-19 23:22:02,130 INFO L87 Difference]: Start difference. First operand 432 states and 690 transitions. Second operand has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-19 23:22:03,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:03,719 INFO L93 Difference]: Finished difference Result 1160 states and 1961 transitions. [2023-12-19 23:22:03,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-19 23:22:03,720 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 129 [2023-12-19 23:22:03,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:03,724 INFO L225 Difference]: With dead ends: 1160 [2023-12-19 23:22:03,724 INFO L226 Difference]: Without dead ends: 987 [2023-12-19 23:22:03,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-12-19 23:22:03,725 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 1897 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 1691 mSolverCounterSat, 633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 2324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 633 IncrementalHoareTripleChecker+Valid, 1691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:03,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1954 Valid, 1342 Invalid, 2324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [633 Valid, 1691 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-19 23:22:03,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2023-12-19 23:22:03,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 837. [2023-12-19 23:22:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 655 states have (on average 1.6625954198473283) internal successors, (1089), 663 states have internal predecessors, (1089), 154 states have call successors, (154), 23 states have call predecessors, (154), 27 states have return successors, (175), 152 states have call predecessors, (175), 153 states have call successors, (175) [2023-12-19 23:22:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1418 transitions. [2023-12-19 23:22:03,755 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1418 transitions. Word has length 129 [2023-12-19 23:22:03,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:03,756 INFO L495 AbstractCegarLoop]: Abstraction has 837 states and 1418 transitions. [2023-12-19 23:22:03,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-19 23:22:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1418 transitions. [2023-12-19 23:22:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-19 23:22:03,759 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:03,759 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:03,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 23:22:03,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:22:03,966 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:03,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:03,967 INFO L85 PathProgramCache]: Analyzing trace with hash -62823900, now seen corresponding path program 1 times [2023-12-19 23:22:03,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:03,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896507707] [2023-12-19 23:22:03,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:03,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-19 23:22:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-19 23:22:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 23:22:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 23:22:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 23:22:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:22:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-19 23:22:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:22:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:22:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:22:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-19 23:22:04,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:04,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896507707] [2023-12-19 23:22:04,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896507707] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:04,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:04,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:22:04,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549382075] [2023-12-19 23:22:04,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:04,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:22:04,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:04,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:22:04,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:22:04,062 INFO L87 Difference]: Start difference. First operand 837 states and 1418 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:22:05,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:05,483 INFO L93 Difference]: Finished difference Result 2156 states and 3740 transitions. [2023-12-19 23:22:05,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:22:05,483 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 135 [2023-12-19 23:22:05,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:05,491 INFO L225 Difference]: With dead ends: 2156 [2023-12-19 23:22:05,491 INFO L226 Difference]: Without dead ends: 1379 [2023-12-19 23:22:05,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:22:05,495 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1306 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 1612 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 1612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:05,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 915 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [470 Valid, 1612 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:22:05,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2023-12-19 23:22:05,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1239. [2023-12-19 23:22:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 978 states have (on average 1.67280163599182) internal successors, (1636), 986 states have internal predecessors, (1636), 233 states have call successors, (233), 23 states have call predecessors, (233), 27 states have return successors, (264), 231 states have call predecessors, (264), 232 states have call successors, (264) [2023-12-19 23:22:05,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2133 transitions. [2023-12-19 23:22:05,543 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2133 transitions. Word has length 135 [2023-12-19 23:22:05,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:05,543 INFO L495 AbstractCegarLoop]: Abstraction has 1239 states and 2133 transitions. [2023-12-19 23:22:05,543 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:22:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2133 transitions. [2023-12-19 23:22:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-19 23:22:05,550 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:05,550 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:05,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 23:22:05,551 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:05,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:05,551 INFO L85 PathProgramCache]: Analyzing trace with hash 261693453, now seen corresponding path program 1 times [2023-12-19 23:22:05,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:05,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245077913] [2023-12-19 23:22:05,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:05,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 23:22:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-19 23:22:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-19 23:22:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:22:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-19 23:22:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:22:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:22:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:22:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-19 23:22:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-19 23:22:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:22:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-19 23:22:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-19 23:22:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-19 23:22:05,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:05,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245077913] [2023-12-19 23:22:05,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245077913] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:05,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:05,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:22:05,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880763780] [2023-12-19 23:22:05,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:05,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:22:05,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:05,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:22:05,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:22:05,686 INFO L87 Difference]: Start difference. First operand 1239 states and 2133 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:22:07,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:07,112 INFO L93 Difference]: Finished difference Result 3139 states and 5487 transitions. [2023-12-19 23:22:07,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:22:07,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2023-12-19 23:22:07,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:07,122 INFO L225 Difference]: With dead ends: 3139 [2023-12-19 23:22:07,123 INFO L226 Difference]: Without dead ends: 2010 [2023-12-19 23:22:07,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:22:07,127 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1304 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 2033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:07,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 885 Invalid, 2033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [491 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:22:07,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2010 states. [2023-12-19 23:22:07,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2010 to 1870. [2023-12-19 23:22:07,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1870 states, 1490 states have (on average 1.6791946308724832) internal successors, (2502), 1498 states have internal predecessors, (2502), 352 states have call successors, (352), 23 states have call predecessors, (352), 27 states have return successors, (383), 350 states have call predecessors, (383), 351 states have call successors, (383) [2023-12-19 23:22:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 3237 transitions. [2023-12-19 23:22:07,187 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 3237 transitions. Word has length 154 [2023-12-19 23:22:07,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:07,187 INFO L495 AbstractCegarLoop]: Abstraction has 1870 states and 3237 transitions. [2023-12-19 23:22:07,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:22:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 3237 transitions. [2023-12-19 23:22:07,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 23:22:07,195 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:07,195 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:07,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-19 23:22:07,195 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:07,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:07,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1160476710, now seen corresponding path program 1 times [2023-12-19 23:22:07,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:07,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386818524] [2023-12-19 23:22:07,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:07,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 23:22:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 23:22:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:22:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-19 23:22:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 23:22:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 23:22:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:22:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:22:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:22:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:22:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:07,273 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-19 23:22:07,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:07,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386818524] [2023-12-19 23:22:07,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386818524] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:07,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:07,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:22:07,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137168190] [2023-12-19 23:22:07,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:07,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:22:07,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:07,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:22:07,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:22:07,275 INFO L87 Difference]: Start difference. First operand 1870 states and 3237 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:22:08,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:08,678 INFO L93 Difference]: Finished difference Result 4619 states and 8139 transitions. [2023-12-19 23:22:08,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:22:08,679 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2023-12-19 23:22:08,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:08,695 INFO L225 Difference]: With dead ends: 4619 [2023-12-19 23:22:08,695 INFO L226 Difference]: Without dead ends: 2979 [2023-12-19 23:22:08,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:22:08,701 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1300 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 2017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:08,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 878 Invalid, 2017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 1543 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:22:08,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2023-12-19 23:22:08,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2839. [2023-12-19 23:22:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2297 states have (on average 1.6848062690465826) internal successors, (3870), 2305 states have internal predecessors, (3870), 514 states have call successors, (514), 23 states have call predecessors, (514), 27 states have return successors, (561), 512 states have call predecessors, (561), 513 states have call successors, (561) [2023-12-19 23:22:08,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 4945 transitions. [2023-12-19 23:22:08,799 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 4945 transitions. Word has length 137 [2023-12-19 23:22:08,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:08,800 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 4945 transitions. [2023-12-19 23:22:08,800 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:22:08,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 4945 transitions. [2023-12-19 23:22:08,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 23:22:08,811 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:08,811 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:08,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-19 23:22:08,811 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:08,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:08,811 INFO L85 PathProgramCache]: Analyzing trace with hash -126293106, now seen corresponding path program 1 times [2023-12-19 23:22:08,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:08,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640708281] [2023-12-19 23:22:08,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:08,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-19 23:22:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 23:22:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-19 23:22:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:22:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:22:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 23:22:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 23:22:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-19 23:22:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:22:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:22:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-19 23:22:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-19 23:22:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-19 23:22:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-19 23:22:08,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:08,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640708281] [2023-12-19 23:22:08,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640708281] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:08,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:08,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:22:08,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789001290] [2023-12-19 23:22:08,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:08,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:22:08,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:08,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:22:08,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:22:08,911 INFO L87 Difference]: Start difference. First operand 2839 states and 4945 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:22:10,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:10,232 INFO L93 Difference]: Finished difference Result 6959 states and 12344 transitions. [2023-12-19 23:22:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:22:10,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2023-12-19 23:22:10,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:10,256 INFO L225 Difference]: With dead ends: 6959 [2023-12-19 23:22:10,256 INFO L226 Difference]: Without dead ends: 4547 [2023-12-19 23:22:10,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:22:10,265 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1300 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1556 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 2037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 1556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:10,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 880 Invalid, 2037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 1556 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-19 23:22:10,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4547 states. [2023-12-19 23:22:10,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 4407. [2023-12-19 23:22:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4407 states, 3620 states have (on average 1.688950276243094) internal successors, (6114), 3628 states have internal predecessors, (6114), 759 states have call successors, (759), 23 states have call predecessors, (759), 27 states have return successors, (832), 757 states have call predecessors, (832), 758 states have call successors, (832) [2023-12-19 23:22:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4407 states to 4407 states and 7705 transitions. [2023-12-19 23:22:10,422 INFO L78 Accepts]: Start accepts. Automaton has 4407 states and 7705 transitions. Word has length 156 [2023-12-19 23:22:10,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:10,422 INFO L495 AbstractCegarLoop]: Abstraction has 4407 states and 7705 transitions. [2023-12-19 23:22:10,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:22:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 4407 states and 7705 transitions. [2023-12-19 23:22:10,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-19 23:22:10,438 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:10,438 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:10,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-19 23:22:10,439 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:10,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:10,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1786632638, now seen corresponding path program 1 times [2023-12-19 23:22:10,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:10,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917354218] [2023-12-19 23:22:10,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:10,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 23:22:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:22:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-19 23:22:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 23:22:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-19 23:22:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 23:22:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 23:22:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 23:22:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-19 23:22:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-19 23:22:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:10,518 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-19 23:22:10,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:10,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917354218] [2023-12-19 23:22:10,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917354218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:10,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:10,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:22:10,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237233662] [2023-12-19 23:22:10,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:10,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:22:10,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:10,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:22:10,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:22:10,520 INFO L87 Difference]: Start difference. First operand 4407 states and 7705 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:22:12,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:12,010 INFO L93 Difference]: Finished difference Result 10912 states and 19411 transitions. [2023-12-19 23:22:12,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:22:12,011 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 139 [2023-12-19 23:22:12,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:12,045 INFO L225 Difference]: With dead ends: 10912 [2023-12-19 23:22:12,045 INFO L226 Difference]: Without dead ends: 7219 [2023-12-19 23:22:12,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:22:12,058 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1297 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1570 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 2052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:12,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 899 Invalid, 2052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1570 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:22:12,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7219 states. [2023-12-19 23:22:12,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7219 to 7079. [2023-12-19 23:22:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7079 states, 5799 states have (on average 1.6827039144680118) internal successors, (9758), 5807 states have internal predecessors, (9758), 1252 states have call successors, (1252), 23 states have call predecessors, (1252), 27 states have return successors, (1369), 1250 states have call predecessors, (1369), 1251 states have call successors, (1369) [2023-12-19 23:22:12,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7079 states to 7079 states and 12379 transitions. [2023-12-19 23:22:12,318 INFO L78 Accepts]: Start accepts. Automaton has 7079 states and 12379 transitions. Word has length 139 [2023-12-19 23:22:12,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:12,318 INFO L495 AbstractCegarLoop]: Abstraction has 7079 states and 12379 transitions. [2023-12-19 23:22:12,319 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, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:22:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 7079 states and 12379 transitions. [2023-12-19 23:22:12,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-19 23:22:12,392 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:12,392 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:12,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-19 23:22:12,393 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:12,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:12,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1594131654, now seen corresponding path program 1 times [2023-12-19 23:22:12,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:12,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745216638] [2023-12-19 23:22:12,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:12,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-19 23:22:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:22:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-19 23:22:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-19 23:22:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 23:22:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-19 23:22:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-19 23:22:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 23:22:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:22:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-19 23:22:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-19 23:22:12,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:12,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745216638] [2023-12-19 23:22:12,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745216638] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:12,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:12,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:22:12,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924235492] [2023-12-19 23:22:12,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:12,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:22:12,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:12,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:22:12,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:22:12,484 INFO L87 Difference]: Start difference. First operand 7079 states and 12379 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:22:13,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:13,990 INFO L93 Difference]: Finished difference Result 18047 states and 32095 transitions. [2023-12-19 23:22:13,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:22:13,991 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 140 [2023-12-19 23:22:13,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:14,030 INFO L225 Difference]: With dead ends: 18047 [2023-12-19 23:22:14,031 INFO L226 Difference]: Without dead ends: 12048 [2023-12-19 23:22:14,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:22:14,051 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1294 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1312 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 2056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:14,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1312 Valid, 887 Invalid, 2056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:22:14,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12048 states. [2023-12-19 23:22:14,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12048 to 11908. [2023-12-19 23:22:14,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11908 states, 9806 states have (on average 1.682439322863553) internal successors, (16498), 9814 states have internal predecessors, (16498), 2074 states have call successors, (2074), 23 states have call predecessors, (2074), 27 states have return successors, (2269), 2072 states have call predecessors, (2269), 2073 states have call successors, (2269) [2023-12-19 23:22:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11908 states to 11908 states and 20841 transitions. [2023-12-19 23:22:14,464 INFO L78 Accepts]: Start accepts. Automaton has 11908 states and 20841 transitions. Word has length 140 [2023-12-19 23:22:14,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:14,465 INFO L495 AbstractCegarLoop]: Abstraction has 11908 states and 20841 transitions. [2023-12-19 23:22:14,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:22:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 11908 states and 20841 transitions. [2023-12-19 23:22:14,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-19 23:22:14,501 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:14,501 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:14,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-19 23:22:14,502 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:14,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:14,502 INFO L85 PathProgramCache]: Analyzing trace with hash -97778360, now seen corresponding path program 1 times [2023-12-19 23:22:14,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:14,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478707829] [2023-12-19 23:22:14,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:14,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-19 23:22:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-19 23:22:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 23:22:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 23:22:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:22:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-19 23:22:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-19 23:22:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 23:22:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:22:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-19 23:22:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-19 23:22:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-19 23:22:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-19 23:22:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:14,602 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-19 23:22:14,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:14,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478707829] [2023-12-19 23:22:14,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478707829] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:14,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:14,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:22:14,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131565518] [2023-12-19 23:22:14,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:14,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:22:14,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:14,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:22:14,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:22:14,604 INFO L87 Difference]: Start difference. First operand 11908 states and 20841 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:22:16,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:16,186 INFO L93 Difference]: Finished difference Result 28593 states and 50648 transitions. [2023-12-19 23:22:16,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:22:16,186 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 159 [2023-12-19 23:22:16,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:16,248 INFO L225 Difference]: With dead ends: 28593 [2023-12-19 23:22:16,248 INFO L226 Difference]: Without dead ends: 18720 [2023-12-19 23:22:16,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:22:16,280 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1296 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 2017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:16,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 853 Invalid, 2017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-19 23:22:16,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18720 states. [2023-12-19 23:22:16,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18720 to 18580. [2023-12-19 23:22:16,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18580 states, 15275 states have (on average 1.660163666121113) internal successors, (25359), 15283 states have internal predecessors, (25359), 3277 states have call successors, (3277), 23 states have call predecessors, (3277), 27 states have return successors, (3616), 3275 states have call predecessors, (3616), 3276 states have call successors, (3616) [2023-12-19 23:22:17,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18580 states to 18580 states and 32252 transitions. [2023-12-19 23:22:17,013 INFO L78 Accepts]: Start accepts. Automaton has 18580 states and 32252 transitions. Word has length 159 [2023-12-19 23:22:17,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:17,013 INFO L495 AbstractCegarLoop]: Abstraction has 18580 states and 32252 transitions. [2023-12-19 23:22:17,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:22:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 18580 states and 32252 transitions. [2023-12-19 23:22:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-19 23:22:17,043 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:17,043 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:17,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-19 23:22:17,043 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:17,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:17,044 INFO L85 PathProgramCache]: Analyzing trace with hash -158988773, now seen corresponding path program 1 times [2023-12-19 23:22:17,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:17,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663429779] [2023-12-19 23:22:17,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:17,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 23:22:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-19 23:22:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-19 23:22:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:22:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:22:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:22:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 23:22:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-19 23:22:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:22:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:22:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-19 23:22:17,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:17,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663429779] [2023-12-19 23:22:17,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663429779] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:17,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:17,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:22:17,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187937281] [2023-12-19 23:22:17,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:17,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:22:17,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:17,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:22:17,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:22:17,131 INFO L87 Difference]: Start difference. First operand 18580 states and 32252 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:22:19,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:19,031 INFO L93 Difference]: Finished difference Result 49226 states and 86969 transitions. [2023-12-19 23:22:19,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:22:19,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 142 [2023-12-19 23:22:19,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:19,144 INFO L225 Difference]: With dead ends: 49226 [2023-12-19 23:22:19,144 INFO L226 Difference]: Without dead ends: 33301 [2023-12-19 23:22:19,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:22:19,188 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1289 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1307 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 2060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:19,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1307 Valid, 882 Invalid, 2060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:22:19,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33301 states. [2023-12-19 23:22:20,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33301 to 33161. [2023-12-19 23:22:20,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33161 states, 27406 states have (on average 1.657374297599066) internal successors, (45422), 27414 states have internal predecessors, (45422), 5727 states have call successors, (5727), 23 states have call predecessors, (5727), 27 states have return successors, (6340), 5725 states have call predecessors, (6340), 5726 states have call successors, (6340) [2023-12-19 23:22:20,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33161 states to 33161 states and 57489 transitions. [2023-12-19 23:22:20,592 INFO L78 Accepts]: Start accepts. Automaton has 33161 states and 57489 transitions. Word has length 142 [2023-12-19 23:22:20,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:20,593 INFO L495 AbstractCegarLoop]: Abstraction has 33161 states and 57489 transitions. [2023-12-19 23:22:20,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 23:22:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 33161 states and 57489 transitions. [2023-12-19 23:22:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-19 23:22:20,644 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:20,644 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:20,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-19 23:22:20,644 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:20,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:20,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1747239358, now seen corresponding path program 1 times [2023-12-19 23:22:20,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:20,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690787769] [2023-12-19 23:22:20,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:20,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 23:22:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 23:22:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 23:22:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 23:22:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 23:22:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-19 23:22:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 23:22:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-19 23:22:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-19 23:22:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-19 23:22:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-19 23:22:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-19 23:22:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-19 23:22:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-19 23:22:20,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:20,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690787769] [2023-12-19 23:22:20,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690787769] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:20,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:20,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:22:20,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758751501] [2023-12-19 23:22:20,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:20,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:22:20,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:20,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:22:20,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:22:20,738 INFO L87 Difference]: Start difference. First operand 33161 states and 57489 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:22:23,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:23,327 INFO L93 Difference]: Finished difference Result 90528 states and 159193 transitions. [2023-12-19 23:22:23,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:22:23,328 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 161 [2023-12-19 23:22:23,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:23,561 INFO L225 Difference]: With dead ends: 90528 [2023-12-19 23:22:23,561 INFO L226 Difference]: Without dead ends: 60913 [2023-12-19 23:22:23,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:22:23,629 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1290 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:23,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 888 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 1557 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:22:23,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60913 states. [2023-12-19 23:22:25,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60913 to 60773. [2023-12-19 23:22:25,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60773 states, 50505 states have (on average 1.6536580536580536) internal successors, (83518), 50513 states have internal predecessors, (83518), 10240 states have call successors, (10240), 23 states have call predecessors, (10240), 27 states have return successors, (11385), 10238 states have call predecessors, (11385), 10239 states have call successors, (11385) [2023-12-19 23:22:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60773 states to 60773 states and 105143 transitions. [2023-12-19 23:22:26,084 INFO L78 Accepts]: Start accepts. Automaton has 60773 states and 105143 transitions. Word has length 161 [2023-12-19 23:22:26,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:26,084 INFO L495 AbstractCegarLoop]: Abstraction has 60773 states and 105143 transitions. [2023-12-19 23:22:26,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:22:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 60773 states and 105143 transitions. [2023-12-19 23:22:26,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-19 23:22:26,170 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:26,170 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:26,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-19 23:22:26,170 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:26,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:26,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1579770541, now seen corresponding path program 1 times [2023-12-19 23:22:26,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:26,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149863364] [2023-12-19 23:22:26,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:26,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 23:22:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-19 23:22:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 23:22:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-19 23:22:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 23:22:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-19 23:22:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 23:22:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-19 23:22:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-19 23:22:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-19 23:22:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-19 23:22:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-19 23:22:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-19 23:22:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:26,487 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-19 23:22:26,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:26,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149863364] [2023-12-19 23:22:26,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149863364] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:26,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:26,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 23:22:26,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491123979] [2023-12-19 23:22:26,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:26,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 23:22:26,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:26,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 23:22:26,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 23:22:26,489 INFO L87 Difference]: Start difference. First operand 60773 states and 105143 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:22:29,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:29,659 INFO L93 Difference]: Finished difference Result 113880 states and 200803 transitions. [2023-12-19 23:22:29,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 23:22:29,659 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 162 [2023-12-19 23:22:29,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:30,155 INFO L225 Difference]: With dead ends: 113880 [2023-12-19 23:22:30,156 INFO L226 Difference]: Without dead ends: 113707 [2023-12-19 23:22:30,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-19 23:22:30,198 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1286 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:30,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1304 Valid, 882 Invalid, 2047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 23:22:30,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113707 states. [2023-12-19 23:22:33,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113707 to 113567. [2023-12-19 23:22:33,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113567 states, 94931 states have (on average 1.6488818194267416) internal successors, (156530), 94939 states have internal predecessors, (156530), 18608 states have call successors, (18608), 23 states have call predecessors, (18608), 27 states have return successors, (20799), 18606 states have call predecessors, (20799), 18607 states have call successors, (20799) [2023-12-19 23:22:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113567 states to 113567 states and 195937 transitions. [2023-12-19 23:22:34,542 INFO L78 Accepts]: Start accepts. Automaton has 113567 states and 195937 transitions. Word has length 162 [2023-12-19 23:22:34,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:34,543 INFO L495 AbstractCegarLoop]: Abstraction has 113567 states and 195937 transitions. [2023-12-19 23:22:34,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 23:22:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 113567 states and 195937 transitions. [2023-12-19 23:22:34,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-19 23:22:34,636 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:34,636 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:34,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-19 23:22:34,636 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:34,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:34,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1048643927, now seen corresponding path program 1 times [2023-12-19 23:22:34,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:34,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281315776] [2023-12-19 23:22:34,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:34,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:22:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:22:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:22:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:22:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-19 23:22:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 23:22:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-19 23:22:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-19 23:22:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-19 23:22:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-19 23:22:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-19 23:22:35,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:35,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281315776] [2023-12-19 23:22:35,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281315776] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:22:35,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687837347] [2023-12-19 23:22:35,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:35,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:22:35,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:22:35,381 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 23:22:35,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-19 23:22:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:35,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-19 23:22:35,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:22:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-19 23:22:36,133 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:22:36,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687837347] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:36,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:22:36,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2023-12-19 23:22:36,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280246780] [2023-12-19 23:22:36,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:36,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 23:22:36,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:36,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 23:22:36,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-12-19 23:22:36,135 INFO L87 Difference]: Start difference. First operand 113567 states and 195937 transitions. Second operand has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-19 23:22:42,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:22:42,004 INFO L93 Difference]: Finished difference Result 226257 states and 395841 transitions. [2023-12-19 23:22:42,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 23:22:42,005 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) Word has length 145 [2023-12-19 23:22:42,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:22:43,426 INFO L225 Difference]: With dead ends: 226257 [2023-12-19 23:22:43,426 INFO L226 Difference]: Without dead ends: 226089 [2023-12-19 23:22:43,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=1169, Unknown=0, NotChecked=0, Total=1332 [2023-12-19 23:22:43,521 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 1251 mSDsluCounter, 4021 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1259 SdHoareTripleChecker+Valid, 4669 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-19 23:22:43,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1259 Valid, 4669 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-19 23:22:43,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226089 states. [2023-12-19 23:22:51,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226089 to 226065. [2023-12-19 23:22:51,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226065 states, 189029 states have (on average 1.6495352564950352) internal successors, (311810), 188934 states have internal predecessors, (311810), 36969 states have call successors, (36969), 60 states have call predecessors, (36969), 66 states have return successors, (44631), 37076 states have call predecessors, (44631), 36966 states have call successors, (44631) [2023-12-19 23:22:52,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226065 states to 226065 states and 393410 transitions. [2023-12-19 23:22:52,444 INFO L78 Accepts]: Start accepts. Automaton has 226065 states and 393410 transitions. Word has length 145 [2023-12-19 23:22:52,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:22:52,444 INFO L495 AbstractCegarLoop]: Abstraction has 226065 states and 393410 transitions. [2023-12-19 23:22:52,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-19 23:22:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 226065 states and 393410 transitions. [2023-12-19 23:22:52,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-19 23:22:52,609 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:22:52,609 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:22:52,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-19 23:22:52,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:22:52,818 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:22:52,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:22:52,818 INFO L85 PathProgramCache]: Analyzing trace with hash -157891432, now seen corresponding path program 1 times [2023-12-19 23:22:52,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:22:52,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452855960] [2023-12-19 23:22:52,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:22:52,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:22:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:52,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:22:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:22:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:52,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:22:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:22:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:52,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:22:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:52,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:22:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:52,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:22:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:22:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:22:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:22:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-19 23:22:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:53,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-19 23:22:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:53,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 23:22:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:22:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-19 23:22:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-19 23:22:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:22:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-19 23:22:53,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:22:53,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452855960] [2023-12-19 23:22:53,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452855960] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:22:53,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:22:53,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-19 23:22:53,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44636476] [2023-12-19 23:22:53,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:22:53,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-19 23:22:53,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:22:53,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-19 23:22:53,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2023-12-19 23:22:53,344 INFO L87 Difference]: Start difference. First operand 226065 states and 393410 transitions. Second operand has 14 states, 14 states have (on average 6.785714285714286) internal successors, (95), 7 states have internal predecessors, (95), 5 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-19 23:23:01,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:01,217 INFO L93 Difference]: Finished difference Result 227552 states and 402420 transitions. [2023-12-19 23:23:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-19 23:23:01,218 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.785714285714286) internal successors, (95), 7 states have internal predecessors, (95), 5 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 146 [2023-12-19 23:23:01,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:02,430 INFO L225 Difference]: With dead ends: 227552 [2023-12-19 23:23:02,430 INFO L226 Difference]: Without dead ends: 227027 [2023-12-19 23:23:02,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=293, Invalid=1039, Unknown=0, NotChecked=0, Total=1332 [2023-12-19 23:23:02,515 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 2300 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 5037 mSolverCounterSat, 992 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2318 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 6029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 992 IncrementalHoareTripleChecker+Valid, 5037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:02,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2318 Valid, 1739 Invalid, 6029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [992 Valid, 5037 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-19 23:23:02,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227027 states. [2023-12-19 23:23:09,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227027 to 226367. [2023-12-19 23:23:09,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226367 states, 189225 states have (on average 1.6492482494384992) internal successors, (312079), 189139 states have internal predecessors, (312079), 37068 states have call successors, (37068), 66 states have call predecessors, (37068), 73 states have return successors, (44751), 37173 states have call predecessors, (44751), 37059 states have call successors, (44751) [2023-12-19 23:23:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226367 states to 226367 states and 393898 transitions. [2023-12-19 23:23:11,310 INFO L78 Accepts]: Start accepts. Automaton has 226367 states and 393898 transitions. Word has length 146 [2023-12-19 23:23:11,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:11,310 INFO L495 AbstractCegarLoop]: Abstraction has 226367 states and 393898 transitions. [2023-12-19 23:23:11,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.785714285714286) internal successors, (95), 7 states have internal predecessors, (95), 5 states have call successors, (19), 8 states have call predecessors, (19), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-19 23:23:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 226367 states and 393898 transitions. [2023-12-19 23:23:11,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-19 23:23:11,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:11,474 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:11,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-19 23:23:11,475 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:11,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:11,475 INFO L85 PathProgramCache]: Analyzing trace with hash -79890240, now seen corresponding path program 1 times [2023-12-19 23:23:11,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:11,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163399789] [2023-12-19 23:23:11,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:11,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:23:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:23:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:23:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 23:23:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-19 23:23:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-19 23:23:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 23:23:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:23:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-19 23:23:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-19 23:23:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:11,905 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-19 23:23:11,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:11,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163399789] [2023-12-19 23:23:11,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163399789] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 23:23:11,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552710906] [2023-12-19 23:23:11,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:11,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 23:23:11,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 23:23:11,907 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 23:23:11,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-19 23:23:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:12,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-19 23:23:12,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 23:23:12,548 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-19 23:23:12,549 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 23:23:12,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552710906] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:12,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 23:23:12,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2023-12-19 23:23:12,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047377890] [2023-12-19 23:23:12,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:12,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 23:23:12,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:12,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 23:23:12,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2023-12-19 23:23:12,550 INFO L87 Difference]: Start difference. First operand 226367 states and 393898 transitions. Second operand has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-19 23:23:22,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 23:23:22,573 INFO L93 Difference]: Finished difference Result 449400 states and 792982 transitions. [2023-12-19 23:23:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 23:23:22,583 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) Word has length 146 [2023-12-19 23:23:22,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 23:23:24,731 INFO L225 Difference]: With dead ends: 449400 [2023-12-19 23:23:24,732 INFO L226 Difference]: Without dead ends: 448637 [2023-12-19 23:23:24,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=170, Invalid=1162, Unknown=0, NotChecked=0, Total=1332 [2023-12-19 23:23:24,915 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 885 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 5093 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 23:23:24,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 5093 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1498 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 23:23:25,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448637 states. [2023-12-19 23:23:41,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448637 to 448613. [2023-12-19 23:23:41,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448613 states, 375099 states have (on average 1.6502443354954293) internal successors, (619005), 374755 states have internal predecessors, (619005), 73356 states have call successors, (73356), 144 states have call predecessors, (73356), 157 states have return successors, (97260), 73741 states have call predecessors, (97260), 73335 states have call successors, (97260) [2023-12-19 23:23:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448613 states to 448613 states and 789621 transitions. [2023-12-19 23:23:44,246 INFO L78 Accepts]: Start accepts. Automaton has 448613 states and 789621 transitions. Word has length 146 [2023-12-19 23:23:44,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 23:23:44,248 INFO L495 AbstractCegarLoop]: Abstraction has 448613 states and 789621 transitions. [2023-12-19 23:23:44,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-19 23:23:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 448613 states and 789621 transitions. [2023-12-19 23:23:44,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-19 23:23:44,543 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 23:23:44,543 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 23:23:44,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-19 23:23:44,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-12-19 23:23:44,755 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 23:23:44,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 23:23:44,755 INFO L85 PathProgramCache]: Analyzing trace with hash 409100482, now seen corresponding path program 1 times [2023-12-19 23:23:44,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 23:23:44,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275709715] [2023-12-19 23:23:44,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 23:23:44,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 23:23:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 23:23:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 23:23:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 23:23:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-19 23:23:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-19 23:23:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 23:23:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 23:23:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 23:23:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-19 23:23:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 23:23:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 23:23:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 23:23:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-19 23:23:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-19 23:23:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-19 23:23:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-19 23:23:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-19 23:23:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-19 23:23:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-19 23:23:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 23:23:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-19 23:23:45,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 23:23:45,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275709715] [2023-12-19 23:23:45,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275709715] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 23:23:45,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 23:23:45,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 23:23:45,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72343772] [2023-12-19 23:23:45,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 23:23:45,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 23:23:45,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 23:23:45,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 23:23:45,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-19 23:23:45,411 INFO L87 Difference]: Start difference. First operand 448613 states and 789621 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19)