/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_spec7_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:51:02,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:51:02,322 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:51:02,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:51:02,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:51:02,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:51:02,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:51:02,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:51:02,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:51:02,359 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:51:02,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:51:02,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:51:02,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:51:02,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:51:02,360 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:51:02,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:51:02,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:51:02,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:51:02,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:51:02,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:51:02,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:51:02,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:51:02,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:51:02,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:51:02,362 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:51:02,362 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:51:02,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:51:02,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:51:02,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:51:02,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:51:02,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:51:02,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:51:02,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:51:02,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:51:02,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:51:02,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:51:02,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:51:02,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:51:02,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:51:02,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:51:02,366 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:51:02,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:51:02,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:51:02,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:51:02,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:51:02,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:51:02,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:51:02,574 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:51:02,574 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:51:02,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product29.cil.c [2023-12-15 22:51:03,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:51:03,867 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:51:03,868 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product29.cil.c [2023-12-15 22:51:03,893 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193cbf6f9/e7ec87b7cc7a4033bc1740a7ffc8a149/FLAG619b2edd3 [2023-12-15 22:51:03,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193cbf6f9/e7ec87b7cc7a4033bc1740a7ffc8a149 [2023-12-15 22:51:03,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:51:03,912 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:51:03,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:51:03,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:51:03,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:51:03,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:51:03" (1/1) ... [2023-12-15 22:51:03,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@885862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:03, skipping insertion in model container [2023-12-15 22:51:03,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:51:03" (1/1) ... [2023-12-15 22:51:03,986 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:51:04,282 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_spec7_product29.cil.c[16949,16962] [2023-12-15 22:51:04,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:51:04,444 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:51:04,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-12-15 22:51:04,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [368] [2023-12-15 22:51:04,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [734] [2023-12-15 22:51:04,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [743] [2023-12-15 22:51:04,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [959] [2023-12-15 22:51:04,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [978] [2023-12-15 22:51:04,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1361] [2023-12-15 22:51:04,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2425] [2023-12-15 22:51:04,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2563] [2023-12-15 22:51:04,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2580] [2023-12-15 22:51:04,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2977] [2023-12-15 22:51:04,492 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_spec7_product29.cil.c[16949,16962] [2023-12-15 22:51:04,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:51:04,619 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:51:04,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04 WrapperNode [2023-12-15 22:51:04,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:51:04,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:51:04,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:51:04,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:51:04,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,719 INFO L138 Inliner]: procedures = 131, calls = 210, calls flagged for inlining = 55, calls inlined = 47, statements flattened = 901 [2023-12-15 22:51:04,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:51:04,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:51:04,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:51:04,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:51:04,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,740 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,767 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]. [2023-12-15 22:51:04,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:51:04,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:51:04,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:51:04,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:51:04,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (1/1) ... [2023-12-15 22:51:04,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:51:04,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:51:04,860 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) [2023-12-15 22:51:04,912 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 [2023-12-15 22:51:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-15 22:51:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-15 22:51:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-15 22:51:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-15 22:51:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-15 22:51:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-15 22:51:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-15 22:51:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-15 22:51:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-15 22:51:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-15 22:51:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-15 22:51:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-15 22:51:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-15 22:51:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-15 22:51:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-15 22:51:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-15 22:51:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-15 22:51:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-15 22:51:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-15 22:51:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-15 22:51:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-15 22:51:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-15 22:51:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-15 22:51:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-15 22:51:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-15 22:51:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-15 22:51:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-15 22:51:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-15 22:51:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:51:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-15 22:51:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-15 22:51:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-15 22:51:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-15 22:51:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-15 22:51:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-15 22:51:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-15 22:51:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-15 22:51:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-15 22:51:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-15 22:51:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-15 22:51:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-15 22:51:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-15 22:51:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-15 22:51:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-12-15 22:51:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-12-15 22:51:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-15 22:51:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-15 22:51:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-15 22:51:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-15 22:51:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-15 22:51:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-15 22:51:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-15 22:51:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-15 22:51:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:51:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 22:51:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-15 22:51:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-15 22:51:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-15 22:51:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-15 22:51:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-15 22:51:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-15 22:51:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:51:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:51:05,073 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:51:05,076 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:51:05,742 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:51:05,813 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:51:05,813 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 22:51:05,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:51:05 BoogieIcfgContainer [2023-12-15 22:51:05,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:51:05,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:51:05,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:51:05,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:51:05,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:51:03" (1/3) ... [2023-12-15 22:51:05,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14203db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:51:05, skipping insertion in model container [2023-12-15 22:51:05,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:51:04" (2/3) ... [2023-12-15 22:51:05,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14203db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:51:05, skipping insertion in model container [2023-12-15 22:51:05,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:51:05" (3/3) ... [2023-12-15 22:51:05,822 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product29.cil.c [2023-12-15 22:51:05,835 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:51:05,835 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:51:05,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:51:05,894 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;@1a5c8920, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:51:05,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:51:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 380 states, 288 states have (on average 1.6041666666666667) internal successors, (462), 293 states have internal predecessors, (462), 62 states have call successors, (62), 28 states have call predecessors, (62), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-15 22:51:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-15 22:51:05,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:05,919 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:51:05,920 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:05,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:05,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1352642558, now seen corresponding path program 1 times [2023-12-15 22:51:05,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:05,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644176670] [2023-12-15 22:51:05,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:05,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:51:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:51:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:51:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-15 22:51:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-15 22:51:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:51:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:51:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-15 22:51:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-15 22:51:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:51:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 22:51:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:51:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:51:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-15 22:51:06,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:06,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644176670] [2023-12-15 22:51:06,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644176670] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:51:06,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090274104] [2023-12-15 22:51:06,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:06,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:51:06,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:51:06,570 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) [2023-12-15 22:51:06,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 22:51:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:06,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 22:51:06,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:51:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-15 22:51:06,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:51:06,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090274104] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:06,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:51:06,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-15 22:51:06,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629622676] [2023-12-15 22:51:06,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:06,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:51:06,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:06,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:51:06,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:51:06,914 INFO L87 Difference]: Start difference. First operand has 380 states, 288 states have (on average 1.6041666666666667) internal successors, (462), 293 states have internal predecessors, (462), 62 states have call successors, (62), 28 states have call predecessors, (62), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:06,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:06,977 INFO L93 Difference]: Finished difference Result 580 states and 878 transitions. [2023-12-15 22:51:06,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:51:06,979 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 123 [2023-12-15 22:51:06,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:06,989 INFO L225 Difference]: With dead ends: 580 [2023-12-15 22:51:06,989 INFO L226 Difference]: Without dead ends: 377 [2023-12-15 22:51:06,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:51:06,995 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:06,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 570 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:51:07,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-12-15 22:51:07,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2023-12-15 22:51:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 286 states have (on average 1.5909090909090908) internal successors, (455), 290 states have internal predecessors, (455), 62 states have call successors, (62), 28 states have call predecessors, (62), 28 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-15 22:51:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 578 transitions. [2023-12-15 22:51:07,059 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 578 transitions. Word has length 123 [2023-12-15 22:51:07,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:07,060 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 578 transitions. [2023-12-15 22:51:07,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 578 transitions. [2023-12-15 22:51:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-15 22:51:07,063 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:07,063 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-12-15 22:51:07,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 22:51:07,270 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 [2023-12-15 22:51:07,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:07,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:07,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1734296735, now seen corresponding path program 1 times [2023-12-15 22:51:07,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:07,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254491800] [2023-12-15 22:51:07,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:07,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:51:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:51:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:51:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 22:51:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-15 22:51:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:51:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:51:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:51:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 22:51:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:51:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:51:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-15 22:51:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:51:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:51:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-15 22:51:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 22:51:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,562 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-15 22:51:07,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:07,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254491800] [2023-12-15 22:51:07,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254491800] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:51:07,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280579770] [2023-12-15 22:51:07,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:07,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:51:07,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:51:07,578 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) [2023-12-15 22:51:07,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 22:51:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:07,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 22:51:07,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:51:07,952 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-15 22:51:07,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:51:07,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280579770] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:07,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:51:07,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-15 22:51:07,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756880366] [2023-12-15 22:51:07,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:07,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:51:07,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:07,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:51:07,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:51:07,957 INFO L87 Difference]: Start difference. First operand 377 states and 578 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 22:51:08,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:08,033 INFO L93 Difference]: Finished difference Result 576 states and 862 transitions. [2023-12-15 22:51:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:51:08,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 142 [2023-12-15 22:51:08,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:08,040 INFO L225 Difference]: With dead ends: 576 [2023-12-15 22:51:08,041 INFO L226 Difference]: Without dead ends: 379 [2023-12-15 22:51:08,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:51:08,047 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 0 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:08,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1133 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:51:08,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-12-15 22:51:08,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2023-12-15 22:51:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 288 states have (on average 1.5868055555555556) internal successors, (457), 292 states have internal predecessors, (457), 62 states have call successors, (62), 28 states have call predecessors, (62), 28 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-15 22:51:08,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 580 transitions. [2023-12-15 22:51:08,078 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 580 transitions. Word has length 142 [2023-12-15 22:51:08,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:08,079 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 580 transitions. [2023-12-15 22:51:08,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 22:51:08,079 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 580 transitions. [2023-12-15 22:51:08,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-15 22:51:08,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:08,081 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:08,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 22:51:08,294 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 [2023-12-15 22:51:08,294 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:08,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:08,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1886987346, now seen corresponding path program 1 times [2023-12-15 22:51:08,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:08,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244425824] [2023-12-15 22:51:08,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:08,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:51:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:51:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:51:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-15 22:51:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 22:51:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-15 22:51:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:51:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-15 22:51:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:51:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 22:51:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:51:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 22:51:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-15 22:51:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-15 22:51:08,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:08,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244425824] [2023-12-15 22:51:08,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244425824] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:51:08,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634055900] [2023-12-15 22:51:08,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:08,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:51:08,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:51:08,502 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) [2023-12-15 22:51:08,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 22:51:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:08,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 22:51:08,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:51:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-15 22:51:08,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:51:08,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634055900] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:08,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:51:08,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-15 22:51:08,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443866643] [2023-12-15 22:51:08,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:08,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:51:08,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:08,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:51:08,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:51:08,765 INFO L87 Difference]: Start difference. First operand 379 states and 580 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:08,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:08,812 INFO L93 Difference]: Finished difference Result 802 states and 1245 transitions. [2023-12-15 22:51:08,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:51:08,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 129 [2023-12-15 22:51:08,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:08,815 INFO L225 Difference]: With dead ends: 802 [2023-12-15 22:51:08,815 INFO L226 Difference]: Without dead ends: 445 [2023-12-15 22:51:08,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:51:08,818 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 122 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:08,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1093 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:51:08,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2023-12-15 22:51:08,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 440. [2023-12-15 22:51:08,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 335 states have (on average 1.6029850746268657) internal successors, (537), 339 states have internal predecessors, (537), 76 states have call successors, (76), 28 states have call predecessors, (76), 28 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-15 22:51:08,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 688 transitions. [2023-12-15 22:51:08,887 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 688 transitions. Word has length 129 [2023-12-15 22:51:08,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:08,887 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 688 transitions. [2023-12-15 22:51:08,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:08,888 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 688 transitions. [2023-12-15 22:51:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-15 22:51:08,906 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:08,906 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:08,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 22:51:09,112 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 [2023-12-15 22:51:09,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:09,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:09,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1128962721, now seen corresponding path program 1 times [2023-12-15 22:51:09,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:09,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618228403] [2023-12-15 22:51:09,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:09,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:51:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:51:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:51:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-15 22:51:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-15 22:51:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 22:51:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:51:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 22:51:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:51:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:51:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-15 22:51:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:51:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:51:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-15 22:51:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-15 22:51:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-15 22:51:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-15 22:51:09,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:09,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618228403] [2023-12-15 22:51:09,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618228403] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:51:09,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988100352] [2023-12-15 22:51:09,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:09,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:51:09,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:51:09,358 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) [2023-12-15 22:51:09,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 22:51:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:09,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 22:51:09,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:51:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-15 22:51:09,662 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:51:09,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988100352] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:09,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:51:09,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-15 22:51:09,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810346306] [2023-12-15 22:51:09,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:09,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:51:09,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:09,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:51:09,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:51:09,665 INFO L87 Difference]: Start difference. First operand 440 states and 688 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-15 22:51:09,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:09,756 INFO L93 Difference]: Finished difference Result 875 states and 1370 transitions. [2023-12-15 22:51:09,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:51:09,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 148 [2023-12-15 22:51:09,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:09,760 INFO L225 Difference]: With dead ends: 875 [2023-12-15 22:51:09,760 INFO L226 Difference]: Without dead ends: 442 [2023-12-15 22:51:09,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:51:09,763 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 8 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:09,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2221 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:51:09,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2023-12-15 22:51:09,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2023-12-15 22:51:09,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 336 states have (on average 1.6011904761904763) internal successors, (538), 341 states have internal predecessors, (538), 76 states have call successors, (76), 28 states have call predecessors, (76), 29 states have return successors, (77), 74 states have call predecessors, (77), 75 states have call successors, (77) [2023-12-15 22:51:09,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 691 transitions. [2023-12-15 22:51:09,784 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 691 transitions. Word has length 148 [2023-12-15 22:51:09,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:09,784 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 691 transitions. [2023-12-15 22:51:09,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-15 22:51:09,785 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 691 transitions. [2023-12-15 22:51:09,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-15 22:51:09,787 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:09,787 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:09,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 22:51:09,993 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 [2023-12-15 22:51:09,994 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:09,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:09,994 INFO L85 PathProgramCache]: Analyzing trace with hash 2042498716, now seen corresponding path program 1 times [2023-12-15 22:51:09,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:09,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704474010] [2023-12-15 22:51:09,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:09,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-15 22:51:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-15 22:51:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-15 22:51:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:51:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:51:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:51:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-15 22:51:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 22:51:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-15 22:51:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:51:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:51:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-15 22:51:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-15 22:51:10,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:10,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704474010] [2023-12-15 22:51:10,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704474010] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:51:10,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624518232] [2023-12-15 22:51:10,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:10,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:51:10,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:51:10,200 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) [2023-12-15 22:51:10,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 22:51:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 22:51:10,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:51:10,513 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-15 22:51:10,513 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:51:10,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624518232] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:10,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:51:10,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-15 22:51:10,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917969884] [2023-12-15 22:51:10,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:10,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:51:10,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:10,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:51:10,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-15 22:51:10,515 INFO L87 Difference]: Start difference. First operand 442 states and 691 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-15 22:51:10,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:10,594 INFO L93 Difference]: Finished difference Result 877 states and 1375 transitions. [2023-12-15 22:51:10,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:51:10,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 131 [2023-12-15 22:51:10,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:10,596 INFO L225 Difference]: With dead ends: 877 [2023-12-15 22:51:10,596 INFO L226 Difference]: Without dead ends: 444 [2023-12-15 22:51:10,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-15 22:51:10,598 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 8 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2207 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:10,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2207 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:51:10,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-12-15 22:51:10,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2023-12-15 22:51:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 337 states have (on average 1.599406528189911) internal successors, (539), 343 states have internal predecessors, (539), 76 states have call successors, (76), 28 states have call predecessors, (76), 30 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2023-12-15 22:51:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 697 transitions. [2023-12-15 22:51:10,611 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 697 transitions. Word has length 131 [2023-12-15 22:51:10,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:10,611 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 697 transitions. [2023-12-15 22:51:10,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-15 22:51:10,611 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 697 transitions. [2023-12-15 22:51:10,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-15 22:51:10,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:10,613 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:10,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 22:51:10,819 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 [2023-12-15 22:51:10,820 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:10,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:10,820 INFO L85 PathProgramCache]: Analyzing trace with hash 605812882, now seen corresponding path program 1 times [2023-12-15 22:51:10,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:10,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247482663] [2023-12-15 22:51:10,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:10,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-15 22:51:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-15 22:51:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:51:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:51:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-15 22:51:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-15 22:51:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-15 22:51:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:51:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-15 22:51:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-15 22:51:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-15 22:51:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-15 22:51:10,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:10,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247482663] [2023-12-15 22:51:10,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247482663] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:10,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:10,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 22:51:10,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495974765] [2023-12-15 22:51:10,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:10,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 22:51:10,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:10,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 22:51:10,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:51:10,988 INFO L87 Difference]: Start difference. First operand 444 states and 697 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-15 22:51:12,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:12,442 INFO L93 Difference]: Finished difference Result 955 states and 1521 transitions. [2023-12-15 22:51:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 22:51:12,443 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 132 [2023-12-15 22:51:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:12,447 INFO L225 Difference]: With dead ends: 955 [2023-12-15 22:51:12,447 INFO L226 Difference]: Without dead ends: 530 [2023-12-15 22:51:12,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-15 22:51:12,449 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 1377 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2199 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 2707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 2199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:12,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 1143 Invalid, 2707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 2199 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 22:51:12,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2023-12-15 22:51:12,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 444. [2023-12-15 22:51:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 337 states have (on average 1.599406528189911) internal successors, (539), 343 states have internal predecessors, (539), 76 states have call successors, (76), 28 states have call predecessors, (76), 30 states have return successors, (81), 74 states have call predecessors, (81), 75 states have call successors, (81) [2023-12-15 22:51:12,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 696 transitions. [2023-12-15 22:51:12,485 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 696 transitions. Word has length 132 [2023-12-15 22:51:12,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:12,485 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 696 transitions. [2023-12-15 22:51:12,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-15 22:51:12,485 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 696 transitions. [2023-12-15 22:51:12,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-15 22:51:12,487 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:12,487 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:12,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 22:51:12,488 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:12,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:12,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1375545943, now seen corresponding path program 1 times [2023-12-15 22:51:12,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:12,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945588436] [2023-12-15 22:51:12,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:12,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-15 22:51:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-15 22:51:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 22:51:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 22:51:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 22:51:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-15 22:51:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 22:51:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-15 22:51:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-15 22:51:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-15 22:51:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-15 22:51:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-15 22:51:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-15 22:51:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-15 22:51:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:12,637 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-15 22:51:12,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:12,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945588436] [2023-12-15 22:51:12,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945588436] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:12,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:12,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 22:51:12,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994165374] [2023-12-15 22:51:12,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:12,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 22:51:12,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:12,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 22:51:12,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:51:12,639 INFO L87 Difference]: Start difference. First operand 444 states and 696 transitions. Second operand has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-15 22:51:14,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:14,211 INFO L93 Difference]: Finished difference Result 957 states and 1524 transitions. [2023-12-15 22:51:14,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 22:51:14,211 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 151 [2023-12-15 22:51:14,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:14,214 INFO L225 Difference]: With dead ends: 957 [2023-12-15 22:51:14,214 INFO L226 Difference]: Without dead ends: 532 [2023-12-15 22:51:14,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-15 22:51:14,216 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1335 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2369 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1337 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 2806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 2369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:14,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1337 Valid, 1146 Invalid, 2806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 2369 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:51:14,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2023-12-15 22:51:14,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 446. [2023-12-15 22:51:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 338 states have (on average 1.5976331360946745) internal successors, (540), 345 states have internal predecessors, (540), 76 states have call successors, (76), 28 states have call predecessors, (76), 31 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2023-12-15 22:51:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 699 transitions. [2023-12-15 22:51:14,237 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 699 transitions. Word has length 151 [2023-12-15 22:51:14,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:14,238 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 699 transitions. [2023-12-15 22:51:14,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-15 22:51:14,238 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 699 transitions. [2023-12-15 22:51:14,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-15 22:51:14,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:14,240 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:14,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 22:51:14,240 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:14,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:14,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1729122041, now seen corresponding path program 1 times [2023-12-15 22:51:14,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:14,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576845234] [2023-12-15 22:51:14,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:14,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 22:51:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-15 22:51:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:51:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:51:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-15 22:51:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-15 22:51:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-15 22:51:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:51:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 22:51:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-15 22:51:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-15 22:51:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-15 22:51:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-15 22:51:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-15 22:51:14,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:14,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576845234] [2023-12-15 22:51:14,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576845234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:14,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:14,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 22:51:14,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046748009] [2023-12-15 22:51:14,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:14,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 22:51:14,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:14,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 22:51:14,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:51:14,407 INFO L87 Difference]: Start difference. First operand 446 states and 699 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-15 22:51:16,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:16,065 INFO L93 Difference]: Finished difference Result 957 states and 1523 transitions. [2023-12-15 22:51:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 22:51:16,065 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 152 [2023-12-15 22:51:16,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:16,072 INFO L225 Difference]: With dead ends: 957 [2023-12-15 22:51:16,073 INFO L226 Difference]: Without dead ends: 532 [2023-12-15 22:51:16,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2023-12-15 22:51:16,081 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 1339 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2328 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1340 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 2779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 2328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:16,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 1144 Invalid, 2779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 2328 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-15 22:51:16,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2023-12-15 22:51:16,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 446. [2023-12-15 22:51:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 338 states have (on average 1.5976331360946745) internal successors, (540), 345 states have internal predecessors, (540), 76 states have call successors, (76), 28 states have call predecessors, (76), 31 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2023-12-15 22:51:16,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 699 transitions. [2023-12-15 22:51:16,110 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 699 transitions. Word has length 152 [2023-12-15 22:51:16,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:16,110 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 699 transitions. [2023-12-15 22:51:16,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-15 22:51:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 699 transitions. [2023-12-15 22:51:16,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-15 22:51:16,113 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:16,113 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:16,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 22:51:16,113 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:16,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:16,113 INFO L85 PathProgramCache]: Analyzing trace with hash -636486839, now seen corresponding path program 1 times [2023-12-15 22:51:16,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:16,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887132131] [2023-12-15 22:51:16,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:16,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 22:51:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-15 22:51:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:51:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:51:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-15 22:51:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-15 22:51:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-15 22:51:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:51:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 22:51:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-15 22:51:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-15 22:51:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-15 22:51:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-15 22:51:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:51:16,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:16,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887132131] [2023-12-15 22:51:16,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887132131] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:16,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:16,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 22:51:16,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713204462] [2023-12-15 22:51:16,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:16,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 22:51:16,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:16,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 22:51:16,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:51:16,359 INFO L87 Difference]: Start difference. First operand 446 states and 699 transitions. Second operand has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-15 22:51:18,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:18,614 INFO L93 Difference]: Finished difference Result 955 states and 1518 transitions. [2023-12-15 22:51:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 22:51:18,615 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 152 [2023-12-15 22:51:18,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:18,618 INFO L225 Difference]: With dead ends: 955 [2023-12-15 22:51:18,618 INFO L226 Difference]: Without dead ends: 532 [2023-12-15 22:51:18,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-15 22:51:18,620 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1325 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 4031 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1326 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 4474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 4031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:18,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1326 Valid, 1587 Invalid, 4474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 4031 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-15 22:51:18,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2023-12-15 22:51:18,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 446. [2023-12-15 22:51:18,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 338 states have (on average 1.5976331360946745) internal successors, (540), 345 states have internal predecessors, (540), 76 states have call successors, (76), 28 states have call predecessors, (76), 31 states have return successors, (82), 74 states have call predecessors, (82), 75 states have call successors, (82) [2023-12-15 22:51:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 698 transitions. [2023-12-15 22:51:18,642 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 698 transitions. Word has length 152 [2023-12-15 22:51:18,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:18,642 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 698 transitions. [2023-12-15 22:51:18,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-15 22:51:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 698 transitions. [2023-12-15 22:51:18,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-15 22:51:18,644 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:18,644 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:18,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 22:51:18,644 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:18,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:18,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1559438175, now seen corresponding path program 2 times [2023-12-15 22:51:18,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:18,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152036428] [2023-12-15 22:51:18,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:18,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-15 22:51:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-15 22:51:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:51:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:51:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-15 22:51:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:51:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 22:51:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:51:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:51:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-15 22:51:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-15 22:51:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-15 22:51:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-15 22:51:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:18,855 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:51:18,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:18,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152036428] [2023-12-15 22:51:18,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152036428] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:18,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:18,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 22:51:18,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813625563] [2023-12-15 22:51:18,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:18,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 22:51:18,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:18,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 22:51:18,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:51:18,857 INFO L87 Difference]: Start difference. First operand 446 states and 698 transitions. Second operand has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-15 22:51:21,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:21,037 INFO L93 Difference]: Finished difference Result 957 states and 1524 transitions. [2023-12-15 22:51:21,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 22:51:21,038 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 153 [2023-12-15 22:51:21,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:21,040 INFO L225 Difference]: With dead ends: 957 [2023-12-15 22:51:21,040 INFO L226 Difference]: Without dead ends: 534 [2023-12-15 22:51:21,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-15 22:51:21,044 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 1338 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 3963 mSolverCounterSat, 457 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1339 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 4420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 457 IncrementalHoareTripleChecker+Valid, 3963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:21,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1339 Valid, 1585 Invalid, 4420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [457 Valid, 3963 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-15 22:51:21,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2023-12-15 22:51:21,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 448. [2023-12-15 22:51:21,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 339 states have (on average 1.5958702064896755) internal successors, (541), 347 states have internal predecessors, (541), 76 states have call successors, (76), 28 states have call predecessors, (76), 32 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2023-12-15 22:51:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 704 transitions. [2023-12-15 22:51:21,066 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 704 transitions. Word has length 153 [2023-12-15 22:51:21,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:21,066 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 704 transitions. [2023-12-15 22:51:21,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.181818181818182) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-15 22:51:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 704 transitions. [2023-12-15 22:51:21,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-15 22:51:21,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:21,068 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:21,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-15 22:51:21,068 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:21,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:21,069 INFO L85 PathProgramCache]: Analyzing trace with hash 102571368, now seen corresponding path program 1 times [2023-12-15 22:51:21,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:21,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456272552] [2023-12-15 22:51:21,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:21,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:51:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-15 22:51:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:51:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:51:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-15 22:51:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:51:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:51:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:51:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:51:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-15 22:51:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,208 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:51:21,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:21,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456272552] [2023-12-15 22:51:21,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456272552] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:51:21,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516451583] [2023-12-15 22:51:21,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:21,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:51:21,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:51:21,214 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) [2023-12-15 22:51:21,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 22:51:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:21,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 22:51:21,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:51:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:51:21,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:51:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:51:21,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516451583] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:51:21,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:51:21,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-12-15 22:51:21,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962330162] [2023-12-15 22:51:21,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:51:21,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 22:51:21,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:21,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 22:51:21,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-15 22:51:21,531 INFO L87 Difference]: Start difference. First operand 448 states and 704 transitions. Second operand has 11 states, 11 states have (on average 11.090909090909092) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-15 22:51:23,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:23,223 INFO L93 Difference]: Finished difference Result 1131 states and 1880 transitions. [2023-12-15 22:51:23,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 22:51:23,224 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.090909090909092) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 136 [2023-12-15 22:51:23,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:23,228 INFO L225 Difference]: With dead ends: 1131 [2023-12-15 22:51:23,228 INFO L226 Difference]: Without dead ends: 934 [2023-12-15 22:51:23,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-12-15 22:51:23,230 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 1699 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 2545 mSolverCounterSat, 616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 3161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 2545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:23,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 1642 Invalid, 3161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [616 Valid, 2545 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-15 22:51:23,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2023-12-15 22:51:23,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 833. [2023-12-15 22:51:23,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 645 states have (on average 1.6527131782945736) internal successors, (1066), 653 states have internal predecessors, (1066), 155 states have call successors, (155), 28 states have call predecessors, (155), 32 states have return successors, (176), 153 states have call predecessors, (176), 154 states have call successors, (176) [2023-12-15 22:51:23,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1397 transitions. [2023-12-15 22:51:23,258 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1397 transitions. Word has length 136 [2023-12-15 22:51:23,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:23,259 INFO L495 AbstractCegarLoop]: Abstraction has 833 states and 1397 transitions. [2023-12-15 22:51:23,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.090909090909092) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-15 22:51:23,259 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1397 transitions. [2023-12-15 22:51:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-15 22:51:23,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:23,262 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:23,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 22:51:23,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:51:23,467 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:23,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:23,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1605350955, now seen corresponding path program 1 times [2023-12-15 22:51:23,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:23,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023006045] [2023-12-15 22:51:23,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:23,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-15 22:51:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:51:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:51:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-15 22:51:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:51:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-15 22:51:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:51:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:51:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-15 22:51:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 22:51:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:51:23,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:23,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023006045] [2023-12-15 22:51:23,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023006045] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:23,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:23,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:51:23,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401299012] [2023-12-15 22:51:23,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:23,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:51:23,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:23,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:51:23,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:51:23,558 INFO L87 Difference]: Start difference. First operand 833 states and 1397 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:25,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:25,255 INFO L93 Difference]: Finished difference Result 2079 states and 3575 transitions. [2023-12-15 22:51:25,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:51:25,256 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 142 [2023-12-15 22:51:25,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:25,279 INFO L225 Difference]: With dead ends: 2079 [2023-12-15 22:51:25,279 INFO L226 Difference]: Without dead ends: 1306 [2023-12-15 22:51:25,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:51:25,282 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 1418 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 493 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 493 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:25,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 893 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [493 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-15 22:51:25,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2023-12-15 22:51:25,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1215. [2023-12-15 22:51:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 948 states have (on average 1.6645569620253164) internal successors, (1578), 956 states have internal predecessors, (1578), 234 states have call successors, (234), 28 states have call predecessors, (234), 32 states have return successors, (265), 232 states have call predecessors, (265), 233 states have call successors, (265) [2023-12-15 22:51:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2077 transitions. [2023-12-15 22:51:25,396 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2077 transitions. Word has length 142 [2023-12-15 22:51:25,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:25,396 INFO L495 AbstractCegarLoop]: Abstraction has 1215 states and 2077 transitions. [2023-12-15 22:51:25,396 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:25,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2077 transitions. [2023-12-15 22:51:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-15 22:51:25,413 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:25,413 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:25,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-15 22:51:25,413 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:25,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:25,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1756746309, now seen corresponding path program 1 times [2023-12-15 22:51:25,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:25,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975870616] [2023-12-15 22:51:25,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:25,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 22:51:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:51:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:51:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:51:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:51:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:51:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:51:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-15 22:51:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-15 22:51:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-15 22:51:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-15 22:51:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-15 22:51:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-15 22:51:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-15 22:51:25,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:25,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975870616] [2023-12-15 22:51:25,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975870616] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:25,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:25,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:51:25,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109203911] [2023-12-15 22:51:25,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:25,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:51:25,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:25,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:51:25,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:51:25,567 INFO L87 Difference]: Start difference. First operand 1215 states and 2077 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, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 22:51:27,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:27,399 INFO L93 Difference]: Finished difference Result 3010 states and 5231 transitions. [2023-12-15 22:51:27,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:51:27,399 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, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 161 [2023-12-15 22:51:27,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:27,407 INFO L225 Difference]: With dead ends: 3010 [2023-12-15 22:51:27,407 INFO L226 Difference]: Without dead ends: 1905 [2023-12-15 22:51:27,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:51:27,419 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1414 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:27,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 860 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-15 22:51:27,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2023-12-15 22:51:27,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1814. [2023-12-15 22:51:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1814 states, 1428 states have (on average 1.6722689075630253) internal successors, (2388), 1436 states have internal predecessors, (2388), 353 states have call successors, (353), 28 states have call predecessors, (353), 32 states have return successors, (384), 351 states have call predecessors, (384), 352 states have call successors, (384) [2023-12-15 22:51:27,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 3125 transitions. [2023-12-15 22:51:27,545 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 3125 transitions. Word has length 161 [2023-12-15 22:51:27,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:27,545 INFO L495 AbstractCegarLoop]: Abstraction has 1814 states and 3125 transitions. [2023-12-15 22:51:27,545 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, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 22:51:27,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 3125 transitions. [2023-12-15 22:51:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-15 22:51:27,552 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:27,553 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:27,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 22:51:27,553 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:27,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:27,553 INFO L85 PathProgramCache]: Analyzing trace with hash -2131793975, now seen corresponding path program 1 times [2023-12-15 22:51:27,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:27,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178292706] [2023-12-15 22:51:27,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:27,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:51:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:51:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:51:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:51:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-15 22:51:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-15 22:51:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-15 22:51:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-15 22:51:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-15 22:51:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-15 22:51:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:27,649 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:51:27,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:27,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178292706] [2023-12-15 22:51:27,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178292706] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:27,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:27,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:51:27,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021571634] [2023-12-15 22:51:27,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:27,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:51:27,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:27,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:51:27,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:51:27,652 INFO L87 Difference]: Start difference. First operand 1814 states and 3125 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:28,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:28,946 INFO L93 Difference]: Finished difference Result 4406 states and 7736 transitions. [2023-12-15 22:51:28,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:51:28,947 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 144 [2023-12-15 22:51:28,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:28,958 INFO L225 Difference]: With dead ends: 4406 [2023-12-15 22:51:28,958 INFO L226 Difference]: Without dead ends: 2822 [2023-12-15 22:51:28,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:51:28,963 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 1428 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 1831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:28,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 848 Invalid, 1831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 22:51:28,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2023-12-15 22:51:29,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 2731. [2023-12-15 22:51:29,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2731 states, 2183 states have (on average 1.678882272102611) internal successors, (3665), 2191 states have internal predecessors, (3665), 515 states have call successors, (515), 28 states have call predecessors, (515), 32 states have return successors, (562), 513 states have call predecessors, (562), 514 states have call successors, (562) [2023-12-15 22:51:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2731 states and 4742 transitions. [2023-12-15 22:51:29,044 INFO L78 Accepts]: Start accepts. Automaton has 2731 states and 4742 transitions. Word has length 144 [2023-12-15 22:51:29,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:29,044 INFO L495 AbstractCegarLoop]: Abstraction has 2731 states and 4742 transitions. [2023-12-15 22:51:29,045 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 4742 transitions. [2023-12-15 22:51:29,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-15 22:51:29,083 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:29,083 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:29,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 22:51:29,083 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:29,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:29,084 INFO L85 PathProgramCache]: Analyzing trace with hash 610538056, now seen corresponding path program 1 times [2023-12-15 22:51:29,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:29,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131396810] [2023-12-15 22:51:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:29,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:51:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:51:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 22:51:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-15 22:51:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-15 22:51:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-15 22:51:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-15 22:51:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-15 22:51:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-15 22:51:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-15 22:51:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:51:29,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:29,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131396810] [2023-12-15 22:51:29,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131396810] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:29,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:29,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:51:29,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16374671] [2023-12-15 22:51:29,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:29,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:51:29,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:29,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:51:29,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:51:29,153 INFO L87 Difference]: Start difference. First operand 2731 states and 4742 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:30,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:30,414 INFO L93 Difference]: Finished difference Result 6606 states and 11696 transitions. [2023-12-15 22:51:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:51:30,414 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 145 [2023-12-15 22:51:30,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:30,449 INFO L225 Difference]: With dead ends: 6606 [2023-12-15 22:51:30,449 INFO L226 Difference]: Without dead ends: 4302 [2023-12-15 22:51:30,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:51:30,474 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1457 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 528 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:30,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 840 Invalid, 1788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [528 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 22:51:30,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4302 states. [2023-12-15 22:51:30,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4302 to 4211. [2023-12-15 22:51:30,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4211 states, 3418 states have (on average 1.6837331772966646) internal successors, (5755), 3426 states have internal predecessors, (5755), 760 states have call successors, (760), 28 states have call predecessors, (760), 32 states have return successors, (833), 758 states have call predecessors, (833), 759 states have call successors, (833) [2023-12-15 22:51:30,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4211 states to 4211 states and 7348 transitions. [2023-12-15 22:51:30,752 INFO L78 Accepts]: Start accepts. Automaton has 4211 states and 7348 transitions. Word has length 145 [2023-12-15 22:51:30,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:30,752 INFO L495 AbstractCegarLoop]: Abstraction has 4211 states and 7348 transitions. [2023-12-15 22:51:30,752 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:30,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4211 states and 7348 transitions. [2023-12-15 22:51:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-15 22:51:30,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:30,778 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:30,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-15 22:51:30,778 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:30,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:30,779 INFO L85 PathProgramCache]: Analyzing trace with hash -912947127, now seen corresponding path program 1 times [2023-12-15 22:51:30,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:30,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615845625] [2023-12-15 22:51:30,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:30,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 22:51:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:51:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-15 22:51:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 22:51:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-15 22:51:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-15 22:51:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-15 22:51:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 22:51:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-15 22:51:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-15 22:51:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-15 22:51:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-15 22:51:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-15 22:51:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:30,929 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-15 22:51:30,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:30,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615845625] [2023-12-15 22:51:30,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615845625] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:30,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:30,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:51:30,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261702794] [2023-12-15 22:51:30,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:30,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:51:30,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:30,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:51:30,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:51:30,931 INFO L87 Difference]: Start difference. First operand 4211 states and 7348 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, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 22:51:32,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:32,281 INFO L93 Difference]: Finished difference Result 10535 states and 18721 transitions. [2023-12-15 22:51:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:51:32,282 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, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2023-12-15 22:51:32,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:32,310 INFO L225 Difference]: With dead ends: 10535 [2023-12-15 22:51:32,310 INFO L226 Difference]: Without dead ends: 6974 [2023-12-15 22:51:32,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:51:32,319 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 1458 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 1818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:32,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 854 Invalid, 1818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 22:51:32,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6974 states. [2023-12-15 22:51:32,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6974 to 6883. [2023-12-15 22:51:32,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6883 states, 5597 states have (on average 1.679292478113275) internal successors, (9399), 5605 states have internal predecessors, (9399), 1253 states have call successors, (1253), 28 states have call predecessors, (1253), 32 states have return successors, (1370), 1251 states have call predecessors, (1370), 1252 states have call successors, (1370) [2023-12-15 22:51:32,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6883 states to 6883 states and 12022 transitions. [2023-12-15 22:51:32,536 INFO L78 Accepts]: Start accepts. Automaton has 6883 states and 12022 transitions. Word has length 164 [2023-12-15 22:51:32,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:32,536 INFO L495 AbstractCegarLoop]: Abstraction has 6883 states and 12022 transitions. [2023-12-15 22:51:32,537 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, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 22:51:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 6883 states and 12022 transitions. [2023-12-15 22:51:32,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-15 22:51:32,558 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:32,558 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:32,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-15 22:51:32,558 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:32,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:32,558 INFO L85 PathProgramCache]: Analyzing trace with hash 496487940, now seen corresponding path program 1 times [2023-12-15 22:51:32,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:32,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397008373] [2023-12-15 22:51:32,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:32,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:51:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:51:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-15 22:51:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-15 22:51:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:51:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:51:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 22:51:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-15 22:51:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-15 22:51:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-15 22:51:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:51:32,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:32,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397008373] [2023-12-15 22:51:32,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397008373] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:32,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:32,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:51:32,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101141283] [2023-12-15 22:51:32,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:32,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:51:32,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:32,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:51:32,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:51:32,662 INFO L87 Difference]: Start difference. First operand 6883 states and 12022 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:34,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:34,126 INFO L93 Difference]: Finished difference Result 17514 states and 31132 transitions. [2023-12-15 22:51:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:51:34,126 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2023-12-15 22:51:34,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:34,163 INFO L225 Difference]: With dead ends: 17514 [2023-12-15 22:51:34,163 INFO L226 Difference]: Without dead ends: 11647 [2023-12-15 22:51:34,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:51:34,182 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 1404 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1422 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 1847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:34,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1422 Valid, 850 Invalid, 1847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 22:51:34,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11647 states. [2023-12-15 22:51:34,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11647 to 11556. [2023-12-15 22:51:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11556 states, 9448 states have (on average 1.6792972057578324) internal successors, (15866), 9456 states have internal predecessors, (15866), 2075 states have call successors, (2075), 28 states have call predecessors, (2075), 32 states have return successors, (2270), 2073 states have call predecessors, (2270), 2074 states have call successors, (2270) [2023-12-15 22:51:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11556 states to 11556 states and 20211 transitions. [2023-12-15 22:51:34,559 INFO L78 Accepts]: Start accepts. Automaton has 11556 states and 20211 transitions. Word has length 147 [2023-12-15 22:51:34,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:34,559 INFO L495 AbstractCegarLoop]: Abstraction has 11556 states and 20211 transitions. [2023-12-15 22:51:34,559 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 11556 states and 20211 transitions. [2023-12-15 22:51:34,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-15 22:51:34,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:34,593 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:34,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-15 22:51:34,593 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:34,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:34,593 INFO L85 PathProgramCache]: Analyzing trace with hash 150719435, now seen corresponding path program 1 times [2023-12-15 22:51:34,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:34,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398676325] [2023-12-15 22:51:34,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:34,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:51:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-15 22:51:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-15 22:51:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:51:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-15 22:51:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:51:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:51:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-15 22:51:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-15 22:51:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-15 22:51:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:51:34,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:34,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398676325] [2023-12-15 22:51:34,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398676325] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:34,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:34,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:51:34,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933715296] [2023-12-15 22:51:34,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:34,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:51:34,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:34,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:51:34,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:51:34,678 INFO L87 Difference]: Start difference. First operand 11556 states and 20211 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:36,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:36,151 INFO L93 Difference]: Finished difference Result 27640 states and 48950 transitions. [2023-12-15 22:51:36,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:51:36,151 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2023-12-15 22:51:36,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:36,210 INFO L225 Difference]: With dead ends: 27640 [2023-12-15 22:51:36,211 INFO L226 Difference]: Without dead ends: 18031 [2023-12-15 22:51:36,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:51:36,239 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1412 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1430 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:36,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1430 Valid, 822 Invalid, 1821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 22:51:36,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18031 states. [2023-12-15 22:51:36,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18031 to 17940. [2023-12-15 22:51:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17940 states, 14629 states have (on average 1.655820630254973) internal successors, (24223), 14637 states have internal predecessors, (24223), 3278 states have call successors, (3278), 28 states have call predecessors, (3278), 32 states have return successors, (3617), 3276 states have call predecessors, (3617), 3277 states have call successors, (3617) [2023-12-15 22:51:36,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17940 states to 17940 states and 31118 transitions. [2023-12-15 22:51:36,882 INFO L78 Accepts]: Start accepts. Automaton has 17940 states and 31118 transitions. Word has length 148 [2023-12-15 22:51:36,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:36,882 INFO L495 AbstractCegarLoop]: Abstraction has 17940 states and 31118 transitions. [2023-12-15 22:51:36,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 17940 states and 31118 transitions. [2023-12-15 22:51:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-15 22:51:36,916 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:36,916 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:36,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-15 22:51:36,917 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:36,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:36,917 INFO L85 PathProgramCache]: Analyzing trace with hash 697700259, now seen corresponding path program 1 times [2023-12-15 22:51:36,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:36,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759288293] [2023-12-15 22:51:36,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:36,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:51:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 22:51:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-15 22:51:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:51:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:51:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-15 22:51:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-15 22:51:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-15 22:51:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-15 22:51:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-15 22:51:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:36,991 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-15 22:51:36,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:36,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759288293] [2023-12-15 22:51:36,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759288293] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:36,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:36,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:51:36,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258814273] [2023-12-15 22:51:36,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:36,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:51:36,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:36,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:51:36,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:51:36,993 INFO L87 Difference]: Start difference. First operand 17940 states and 31118 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:38,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:38,914 INFO L93 Difference]: Finished difference Result 47465 states and 83857 transitions. [2023-12-15 22:51:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:51:38,914 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2023-12-15 22:51:38,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:39,033 INFO L225 Difference]: With dead ends: 47465 [2023-12-15 22:51:39,033 INFO L226 Difference]: Without dead ends: 32064 [2023-12-15 22:51:39,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:51:39,063 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 1470 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 1823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 566 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:39,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 847 Invalid, 1823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [566 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 22:51:39,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32064 states. [2023-12-15 22:51:40,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32064 to 31973. [2023-12-15 22:51:40,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31973 states, 26212 states have (on average 1.6529452159316345) internal successors, (43327), 26220 states have internal predecessors, (43327), 5728 states have call successors, (5728), 28 states have call predecessors, (5728), 32 states have return successors, (6341), 5726 states have call predecessors, (6341), 5727 states have call successors, (6341) [2023-12-15 22:51:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31973 states to 31973 states and 55396 transitions. [2023-12-15 22:51:40,178 INFO L78 Accepts]: Start accepts. Automaton has 31973 states and 55396 transitions. Word has length 149 [2023-12-15 22:51:40,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:40,178 INFO L495 AbstractCegarLoop]: Abstraction has 31973 states and 55396 transitions. [2023-12-15 22:51:40,178 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, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-15 22:51:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 31973 states and 55396 transitions. [2023-12-15 22:51:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-15 22:51:40,226 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:40,226 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:40,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-15 22:51:40,226 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:40,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:40,226 INFO L85 PathProgramCache]: Analyzing trace with hash -239656275, now seen corresponding path program 1 times [2023-12-15 22:51:40,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:40,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456860866] [2023-12-15 22:51:40,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:40,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:51:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:51:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-15 22:51:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:51:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-15 22:51:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:51:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-15 22:51:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-15 22:51:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-15 22:51:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-15 22:51:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-15 22:51:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-15 22:51:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-12-15 22:51:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-15 22:51:40,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:40,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456860866] [2023-12-15 22:51:40,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456860866] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:40,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:40,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:51:40,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753082007] [2023-12-15 22:51:40,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:40,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:51:40,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:40,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:51:40,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:51:40,311 INFO L87 Difference]: Start difference. First operand 31973 states and 55396 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 22:51:42,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:42,717 INFO L93 Difference]: Finished difference Result 87187 states and 153316 transitions. [2023-12-15 22:51:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:51:42,718 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 168 [2023-12-15 22:51:42,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:42,897 INFO L225 Difference]: With dead ends: 87187 [2023-12-15 22:51:42,897 INFO L226 Difference]: Without dead ends: 58612 [2023-12-15 22:51:42,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:51:42,948 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 1402 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1420 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 1832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:42,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1420 Valid, 852 Invalid, 1832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 22:51:42,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58612 states. [2023-12-15 22:51:44,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58612 to 58521. [2023-12-15 22:51:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58521 states, 48247 states have (on average 1.6490351731713888) internal successors, (79561), 48255 states have internal predecessors, (79561), 10241 states have call successors, (10241), 28 states have call predecessors, (10241), 32 states have return successors, (11386), 10239 states have call predecessors, (11386), 10240 states have call successors, (11386) [2023-12-15 22:51:45,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58521 states to 58521 states and 101188 transitions. [2023-12-15 22:51:45,005 INFO L78 Accepts]: Start accepts. Automaton has 58521 states and 101188 transitions. Word has length 168 [2023-12-15 22:51:45,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:45,006 INFO L495 AbstractCegarLoop]: Abstraction has 58521 states and 101188 transitions. [2023-12-15 22:51:45,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 22:51:45,006 INFO L276 IsEmpty]: Start isEmpty. Operand 58521 states and 101188 transitions. [2023-12-15 22:51:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-12-15 22:51:45,077 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:45,077 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:45,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-15 22:51:45,077 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:45,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:45,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1709243839, now seen corresponding path program 1 times [2023-12-15 22:51:45,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:45,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406843502] [2023-12-15 22:51:45,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:45,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:51:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:51:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:51:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:51:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:51:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-15 22:51:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-15 22:51:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-15 22:51:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-15 22:51:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-15 22:51:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-15 22:51:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-15 22:51:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-15 22:51:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:45,161 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-15 22:51:45,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:45,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406843502] [2023-12-15 22:51:45,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406843502] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:51:45,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:51:45,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:51:45,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332461527] [2023-12-15 22:51:45,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:51:45,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:51:45,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:45,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:51:45,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:51:45,163 INFO L87 Difference]: Start difference. First operand 58521 states and 101188 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 22:51:48,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:51:48,474 INFO L93 Difference]: Finished difference Result 109511 states and 193127 transitions. [2023-12-15 22:51:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:51:48,475 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 169 [2023-12-15 22:51:48,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:51:49,011 INFO L225 Difference]: With dead ends: 109511 [2023-12-15 22:51:49,012 INFO L226 Difference]: Without dead ends: 109314 [2023-12-15 22:51:49,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:51:49,051 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 1433 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:51:49,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 847 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [504 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 22:51:49,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109314 states. [2023-12-15 22:51:52,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109314 to 109223. [2023-12-15 22:51:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109223 states, 90581 states have (on average 1.643965069937404) internal successors, (148912), 90589 states have internal predecessors, (148912), 18609 states have call successors, (18609), 28 states have call predecessors, (18609), 32 states have return successors, (20800), 18607 states have call predecessors, (20800), 18608 states have call successors, (20800) [2023-12-15 22:51:52,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109223 states to 109223 states and 188321 transitions. [2023-12-15 22:51:52,886 INFO L78 Accepts]: Start accepts. Automaton has 109223 states and 188321 transitions. Word has length 169 [2023-12-15 22:51:52,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:51:52,887 INFO L495 AbstractCegarLoop]: Abstraction has 109223 states and 188321 transitions. [2023-12-15 22:51:52,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 22:51:52,887 INFO L276 IsEmpty]: Start isEmpty. Operand 109223 states and 188321 transitions. [2023-12-15 22:51:52,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-15 22:51:52,978 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:51:52,979 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:51:52,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-15 22:51:52,979 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:51:52,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:51:52,980 INFO L85 PathProgramCache]: Analyzing trace with hash 786890066, now seen corresponding path program 1 times [2023-12-15 22:51:52,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:51:52,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072832249] [2023-12-15 22:51:52,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:52,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:51:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:51:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:51:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:51:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:51:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:51:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:51:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:51:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:51:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:51:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 22:51:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:51:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 22:51:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-15 22:51:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-15 22:51:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-15 22:51:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-15 22:51:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:51:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,601 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-15 22:51:53,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:51:53,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072832249] [2023-12-15 22:51:53,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072832249] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:51:53,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596404515] [2023-12-15 22:51:53,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:51:53,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:51:53,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:51:53,603 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) [2023-12-15 22:51:53,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 22:51:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:51:53,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-15 22:51:53,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:51:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-15 22:51:54,046 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:51:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-15 22:51:54,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596404515] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:51:54,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:51:54,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2023-12-15 22:51:54,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193543004] [2023-12-15 22:51:54,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:51:54,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-15 22:51:54,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:51:54,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-15 22:51:54,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2023-12-15 22:51:54,331 INFO L87 Difference]: Start difference. First operand 109223 states and 188321 transitions. Second operand has 32 states, 30 states have (on average 8.1) internal successors, (243), 24 states have internal predecessors, (243), 9 states have call successors, (53), 12 states have call predecessors, (53), 12 states have return successors, (45), 11 states have call predecessors, (45), 9 states have call successors, (45) Received shutdown request... [2023-12-15 22:52:01,689 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 22:52:01,689 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 22:52:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-12-15 22:52:01,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6401 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2546, Invalid=17194, Unknown=0, NotChecked=0, Total=19740 [2023-12-15 22:52:01,694 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 3413 mSDsluCounter, 7278 mSDsCounter, 0 mSdLazyCounter, 12407 mSolverCounterSat, 640 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3426 SdHoareTripleChecker+Valid, 7636 SdHoareTripleChecker+Invalid, 13047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 640 IncrementalHoareTripleChecker+Valid, 12407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:52:01,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3426 Valid, 7636 Invalid, 13047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [640 Valid, 12407 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-12-15 22:52:01,696 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:52:01,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 22:52:01,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:52:01,907 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (109223states) and FLOYD_HOARE automaton (currently 114 states, 32 states before enhancement),while ReachableStatesComputation was computing reachable states (8307 states constructed, input type IntersectNwa). [2023-12-15 22:52:01,910 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:52:01,912 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:52:01,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:52:01 BoogieIcfgContainer [2023-12-15 22:52:01,914 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:52:01,914 INFO L158 Benchmark]: Toolchain (without parser) took 58001.62ms. Allocated memory was 186.6MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 134.7MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-15 22:52:01,914 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory was 134.7MB in the beginning and 134.6MB in the end (delta: 152.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:52:01,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.24ms. Allocated memory was 186.6MB in the beginning and 272.6MB in the end (delta: 86.0MB). Free memory was 134.3MB in the beginning and 235.6MB in the end (delta: -101.2MB). Peak memory consumption was 44.3MB. Max. memory is 8.0GB. [2023-12-15 22:52:01,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.73ms. Allocated memory is still 272.6MB. Free memory was 235.6MB in the beginning and 229.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-15 22:52:01,915 INFO L158 Benchmark]: Boogie Preprocessor took 81.33ms. Allocated memory is still 272.6MB. Free memory was 229.3MB in the beginning and 222.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-15 22:52:01,915 INFO L158 Benchmark]: RCFGBuilder took 1011.73ms. Allocated memory is still 272.6MB. Free memory was 222.0MB in the beginning and 147.5MB in the end (delta: 74.4MB). Peak memory consumption was 74.4MB. Max. memory is 8.0GB. [2023-12-15 22:52:01,915 INFO L158 Benchmark]: TraceAbstraction took 56097.96ms. Allocated memory was 272.6MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 147.0MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-15 22:52:01,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory was 134.7MB in the beginning and 134.6MB in the end (delta: 152.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 706.24ms. Allocated memory was 186.6MB in the beginning and 272.6MB in the end (delta: 86.0MB). Free memory was 134.3MB in the beginning and 235.6MB in the end (delta: -101.2MB). Peak memory consumption was 44.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 99.73ms. Allocated memory is still 272.6MB. Free memory was 235.6MB in the beginning and 229.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.33ms. Allocated memory is still 272.6MB. Free memory was 229.3MB in the beginning and 222.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1011.73ms. Allocated memory is still 272.6MB. Free memory was 222.0MB in the beginning and 147.5MB in the end (delta: 74.4MB). Peak memory consumption was 74.4MB. Max. memory is 8.0GB. * TraceAbstraction took 56097.96ms. Allocated memory was 272.6MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 147.0MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] - GenericResultAtLocation [Line: 368]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [368] - GenericResultAtLocation [Line: 734]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [734] - GenericResultAtLocation [Line: 743]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [743] - GenericResultAtLocation [Line: 959]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [959] - GenericResultAtLocation [Line: 978]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [978] - GenericResultAtLocation [Line: 1361]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1361] - GenericResultAtLocation [Line: 2425]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2425] - GenericResultAtLocation [Line: 2563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2563] - GenericResultAtLocation [Line: 2580]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2580] - GenericResultAtLocation [Line: 2977]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2977] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 739]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 739). Cancelled while NwaCegarLoop was constructing difference of abstraction (109223states) and FLOYD_HOARE automaton (currently 114 states, 32 states before enhancement),while ReachableStatesComputation was computing reachable states (8307 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 380 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.0s, OverallIterations: 22, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 38.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26539 SdHoareTripleChecker+Valid, 25.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26260 mSDsluCounter, 31620 SdHoareTripleChecker+Invalid, 21.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25397 mSDsCounter, 8733 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43239 IncrementalHoareTripleChecker+Invalid, 51972 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8733 mSolverCounterUnsat, 6223 mSDtfsCounter, 43239 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2477 GetRequests, 2075 SyntacticMatches, 0 SemanticMatches, 402 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6837 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109223occurred in iteration=21, InterpolantAutomatonStates: 184, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 1446 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 4199 NumberOfCodeBlocks, 4199 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 4456 ConstructedInterpolants, 0 QuantifiedInterpolants, 7345 SizeOfPredicates, 12 NumberOfNonLiveVariables, 8114 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 31 InterpolantComputations, 20 PerfectInterpolantSequences, 1285/1325 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown