./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product29.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71f8755187e6ba7ba58a893461c08a19c806970ccaa90de1a74095d8e9221b58 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 21:56:34,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 21:56:35,002 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 21:56:35,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 21:56:35,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 21:56:35,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 21:56:35,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 21:56:35,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 21:56:35,036 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 21:56:35,039 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 21:56:35,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 21:56:35,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 21:56:35,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 21:56:35,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 21:56:35,040 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 21:56:35,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 21:56:35,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 21:56:35,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 21:56:35,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 21:56:35,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 21:56:35,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 21:56:35,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 21:56:35,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 21:56:35,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 21:56:35,043 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 21:56:35,044 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 21:56:35,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 21:56:35,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 21:56:35,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 21:56:35,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 21:56:35,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 21:56:35,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 21:56:35,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 21:56:35,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 21:56:35,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 21:56:35,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 21:56:35,047 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 21:56:35,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 21:56:35,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 21:56:35,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 21:56:35,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 21:56:35,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 21:56:35,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71f8755187e6ba7ba58a893461c08a19c806970ccaa90de1a74095d8e9221b58 [2024-11-19 21:56:35,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 21:56:35,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 21:56:35,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 21:56:35,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 21:56:35,308 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 21:56:35,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product29.cil.c [2024-11-19 21:56:36,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 21:56:36,897 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 21:56:36,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product29.cil.c [2024-11-19 21:56:36,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5ffedae/44c527e5104c4cf7a57134935a56b1e4/FLAGe05eda065 [2024-11-19 21:56:36,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5ffedae/44c527e5104c4cf7a57134935a56b1e4 [2024-11-19 21:56:36,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 21:56:36,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 21:56:36,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 21:56:36,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 21:56:36,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 21:56:36,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:56:36" (1/1) ... [2024-11-19 21:56:36,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64958337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:36, skipping insertion in model container [2024-11-19 21:56:36,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:56:36" (1/1) ... [2024-11-19 21:56:36,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 21:56:37,516 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product29.cil.c[58438,58451] [2024-11-19 21:56:37,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 21:56:37,563 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 21:56:37,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-19 21:56:37,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [368] [2024-11-19 21:56:37,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [734] [2024-11-19 21:56:37,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [882] [2024-11-19 21:56:37,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1952] [2024-11-19 21:56:37,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1987] [2024-11-19 21:56:37,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2004] [2024-11-19 21:56:37,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2406] [2024-11-19 21:56:37,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2622] [2024-11-19 21:56:37,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2631] [2024-11-19 21:56:37,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2658] [2024-11-19 21:56:37,673 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product29.cil.c[58438,58451] [2024-11-19 21:56:37,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 21:56:37,724 INFO L204 MainTranslator]: Completed translation [2024-11-19 21:56:37,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37 WrapperNode [2024-11-19 21:56:37,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 21:56:37,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 21:56:37,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 21:56:37,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 21:56:37,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,821 INFO L138 Inliner]: procedures = 131, calls = 211, calls flagged for inlining = 55, calls inlined = 47, statements flattened = 926 [2024-11-19 21:56:37,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 21:56:37,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 21:56:37,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 21:56:37,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 21:56:37,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,888 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]. [2024-11-19 21:56:37,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 21:56:37,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 21:56:37,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 21:56:37,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 21:56:37,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (1/1) ... [2024-11-19 21:56:37,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 21:56:37,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:56:38,006 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) [2024-11-19 21:56:38,009 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 [2024-11-19 21:56:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-19 21:56:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-19 21:56:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-19 21:56:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-19 21:56:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-19 21:56:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-19 21:56:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-19 21:56:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-19 21:56:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-19 21:56:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-19 21:56:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-19 21:56:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-19 21:56:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-19 21:56:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-19 21:56:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-19 21:56:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-19 21:56:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-19 21:56:38,044 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-19 21:56:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-19 21:56:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-19 21:56:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-19 21:56:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-19 21:56:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-19 21:56:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-19 21:56:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-19 21:56:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-19 21:56:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-19 21:56:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-19 21:56:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 21:56:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-19 21:56:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-19 21:56:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-19 21:56:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-19 21:56:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-19 21:56:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-19 21:56:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-19 21:56:38,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-19 21:56:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-19 21:56:38,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-19 21:56:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-19 21:56:38,050 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-19 21:56:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-19 21:56:38,050 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-19 21:56:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-19 21:56:38,050 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-19 21:56:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-19 21:56:38,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-19 21:56:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-19 21:56:38,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-19 21:56:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-19 21:56:38,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-19 21:56:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-19 21:56:38,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-19 21:56:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 21:56:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 21:56:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 21:56:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 21:56:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-19 21:56:38,052 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-19 21:56:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-19 21:56:38,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-19 21:56:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 21:56:38,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 21:56:38,186 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 21:56:38,188 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 21:56:38,884 INFO L? ?]: Removed 503 outVars from TransFormulas that were not future-live. [2024-11-19 21:56:38,884 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 21:56:38,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 21:56:38,914 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 21:56:38,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:56:38 BoogieIcfgContainer [2024-11-19 21:56:38,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 21:56:38,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 21:56:38,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 21:56:38,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 21:56:38,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:56:36" (1/3) ... [2024-11-19 21:56:38,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5c83e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:56:38, skipping insertion in model container [2024-11-19 21:56:38,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:56:37" (2/3) ... [2024-11-19 21:56:38,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5c83e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:56:38, skipping insertion in model container [2024-11-19 21:56:38,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:56:38" (3/3) ... [2024-11-19 21:56:38,921 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product29.cil.c [2024-11-19 21:56:38,935 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 21:56:38,935 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 21:56:39,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 21:56:39,039 INFO L333 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, 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;@2b15e440, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 21:56:39,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 21:56:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 315 states have (on average 1.5555555555555556) internal successors, (490), 320 states have internal predecessors, (490), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-19 21:56:39,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 21:56:39,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:39,067 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:39,067 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:39,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:39,072 INFO L85 PathProgramCache]: Analyzing trace with hash -934121238, now seen corresponding path program 1 times [2024-11-19 21:56:39,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:39,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083354941] [2024-11-19 21:56:39,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:39,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:56:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:56:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:56:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-19 21:56:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-19 21:56:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:56:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:56:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:56:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 21:56:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 21:56:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 21:56:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:56:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-19 21:56:39,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:39,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083354941] [2024-11-19 21:56:39,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083354941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:56:39,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192825363] [2024-11-19 21:56:39,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:39,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:56:39,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:56:39,769 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) [2024-11-19 21:56:39,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 21:56:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 21:56:40,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:56:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-19 21:56:40,069 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:56:40,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192825363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:40,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:56:40,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-19 21:56:40,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092739295] [2024-11-19 21:56:40,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:40,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 21:56:40,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:40,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 21:56:40,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:56:40,101 INFO L87 Difference]: Start difference. First operand has 408 states, 315 states have (on average 1.5555555555555556) internal successors, (490), 320 states have internal predecessors, (490), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:56:40,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:40,166 INFO L93 Difference]: Finished difference Result 628 states and 930 transitions. [2024-11-19 21:56:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 21:56:40,168 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2024-11-19 21:56:40,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:40,179 INFO L225 Difference]: With dead ends: 628 [2024-11-19 21:56:40,179 INFO L226 Difference]: Without dead ends: 401 [2024-11-19 21:56:40,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:56:40,193 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:40,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:56:40,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-19 21:56:40,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2024-11-19 21:56:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 309 states have (on average 1.5501618122977345) internal successors, (479), 313 states have internal predecessors, (479), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-19 21:56:40,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 604 transitions. [2024-11-19 21:56:40,247 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 604 transitions. Word has length 116 [2024-11-19 21:56:40,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:40,248 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 604 transitions. [2024-11-19 21:56:40,249 INFO L472 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:56:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 604 transitions. [2024-11-19 21:56:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-19 21:56:40,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:40,253 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:40,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 21:56:40,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 21:56:40,458 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:40,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:40,459 INFO L85 PathProgramCache]: Analyzing trace with hash 217349059, now seen corresponding path program 1 times [2024-11-19 21:56:40,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:40,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517200753] [2024-11-19 21:56:40,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:40,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:56:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:56:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:56:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-19 21:56:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-19 21:56:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 21:56:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:56:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 21:56:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:56:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:56:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 21:56:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:56:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-19 21:56:40,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:40,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517200753] [2024-11-19 21:56:40,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517200753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:56:40,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800994779] [2024-11-19 21:56:40,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:40,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:56:40,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:56:40,727 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) [2024-11-19 21:56:40,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 21:56:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:40,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 21:56:40,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:56:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-19 21:56:41,024 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:56:41,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800994779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:41,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:56:41,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 21:56:41,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651948498] [2024-11-19 21:56:41,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:41,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 21:56:41,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:41,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 21:56:41,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:56:41,031 INFO L87 Difference]: Start difference. First operand 401 states and 604 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:56:41,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:41,092 INFO L93 Difference]: Finished difference Result 618 states and 908 transitions. [2024-11-19 21:56:41,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 21:56:41,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 117 [2024-11-19 21:56:41,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:41,096 INFO L225 Difference]: With dead ends: 618 [2024-11-19 21:56:41,096 INFO L226 Difference]: Without dead ends: 404 [2024-11-19 21:56:41,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:56:41,101 INFO L432 NwaCegarLoop]: 602 mSDtfsCounter, 1 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:41,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1202 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:56:41,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-19 21:56:41,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 403. [2024-11-19 21:56:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 311 states have (on average 1.5466237942122187) internal successors, (481), 315 states have internal predecessors, (481), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-19 21:56:41,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 606 transitions. [2024-11-19 21:56:41,136 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 606 transitions. Word has length 117 [2024-11-19 21:56:41,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:41,137 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 606 transitions. [2024-11-19 21:56:41,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:56:41,137 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 606 transitions. [2024-11-19 21:56:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-19 21:56:41,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:41,139 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:41,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 21:56:41,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-19 21:56:41,341 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:41,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:41,343 INFO L85 PathProgramCache]: Analyzing trace with hash 634764122, now seen corresponding path program 1 times [2024-11-19 21:56:41,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:41,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297601070] [2024-11-19 21:56:41,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:41,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:56:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:56:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:56:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-19 21:56:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 21:56:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 21:56:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:56:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:56:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:56:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 21:56:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:56:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:56:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 21:56:41,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:41,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297601070] [2024-11-19 21:56:41,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297601070] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:56:41,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483926831] [2024-11-19 21:56:41,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:41,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:56:41,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:56:41,535 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) [2024-11-19 21:56:41,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 21:56:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:41,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 21:56:41,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:56:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-19 21:56:41,795 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:56:41,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483926831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:41,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:56:41,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 21:56:41,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208050782] [2024-11-19 21:56:41,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:41,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 21:56:41,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:41,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 21:56:41,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:56:41,797 INFO L87 Difference]: Start difference. First operand 403 states and 606 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:56:41,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:41,825 INFO L93 Difference]: Finished difference Result 849 states and 1296 transitions. [2024-11-19 21:56:41,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 21:56:41,825 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 123 [2024-11-19 21:56:41,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:41,828 INFO L225 Difference]: With dead ends: 849 [2024-11-19 21:56:41,828 INFO L226 Difference]: Without dead ends: 473 [2024-11-19 21:56:41,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:56:41,831 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 126 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:41,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1164 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:56:41,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-19 21:56:41,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 465. [2024-11-19 21:56:41,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 359 states have (on average 1.565459610027855) internal successors, (562), 363 states have internal predecessors, (562), 77 states have call successors, (77), 28 states have call predecessors, (77), 28 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-19 21:56:41,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 715 transitions. [2024-11-19 21:56:41,855 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 715 transitions. Word has length 123 [2024-11-19 21:56:41,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:41,856 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 715 transitions. [2024-11-19 21:56:41,856 INFO L472 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:56:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 715 transitions. [2024-11-19 21:56:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 21:56:41,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:41,860 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:41,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 21:56:42,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:56:42,061 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:42,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:42,062 INFO L85 PathProgramCache]: Analyzing trace with hash 288095533, now seen corresponding path program 1 times [2024-11-19 21:56:42,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:42,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150127293] [2024-11-19 21:56:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:42,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:56:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:56:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:56:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 21:56:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 21:56:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:56:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:56:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 21:56:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 21:56:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:56:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:56:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:56:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 21:56:42,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:42,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150127293] [2024-11-19 21:56:42,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150127293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:56:42,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374125717] [2024-11-19 21:56:42,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:42,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:56:42,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:56:42,261 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) [2024-11-19 21:56:42,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 21:56:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 21:56:42,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:56:42,543 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 21:56:42,543 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:56:42,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374125717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:42,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:56:42,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-19 21:56:42,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175510483] [2024-11-19 21:56:42,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:42,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 21:56:42,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:42,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 21:56:42,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:56:42,545 INFO L87 Difference]: Start difference. First operand 465 states and 715 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 21:56:42,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:42,595 INFO L93 Difference]: Finished difference Result 921 states and 1420 transitions. [2024-11-19 21:56:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 21:56:42,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 124 [2024-11-19 21:56:42,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:42,598 INFO L225 Difference]: With dead ends: 921 [2024-11-19 21:56:42,598 INFO L226 Difference]: Without dead ends: 467 [2024-11-19 21:56:42,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:56:42,600 INFO L432 NwaCegarLoop]: 596 mSDtfsCounter, 2 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2373 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:42,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2373 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:56:42,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-19 21:56:42,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2024-11-19 21:56:42,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 360 states have (on average 1.5638888888888889) internal successors, (563), 365 states have internal predecessors, (563), 77 states have call successors, (77), 28 states have call predecessors, (77), 29 states have return successors, (78), 75 states have call predecessors, (78), 76 states have call successors, (78) [2024-11-19 21:56:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 718 transitions. [2024-11-19 21:56:42,614 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 718 transitions. Word has length 124 [2024-11-19 21:56:42,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:42,614 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 718 transitions. [2024-11-19 21:56:42,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 21:56:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 718 transitions. [2024-11-19 21:56:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-19 21:56:42,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:42,616 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:42,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 21:56:42,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:56:42,817 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:42,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:42,818 INFO L85 PathProgramCache]: Analyzing trace with hash -496871091, now seen corresponding path program 1 times [2024-11-19 21:56:42,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:42,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382284475] [2024-11-19 21:56:42,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:42,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:42,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:56:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-19 21:56:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 21:56:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-19 21:56:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:56:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:56:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:56:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 21:56:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 21:56:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:56:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:56:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:56:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 21:56:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-19 21:56:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 21:56:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:56:43,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:43,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382284475] [2024-11-19 21:56:43,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382284475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:56:43,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600724233] [2024-11-19 21:56:43,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:43,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:56:43,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:56:43,073 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) [2024-11-19 21:56:43,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 21:56:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 21:56:43,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:56:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-19 21:56:43,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:56:43,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600724233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:43,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:56:43,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-19 21:56:43,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675809223] [2024-11-19 21:56:43,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:43,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 21:56:43,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:43,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 21:56:43,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 21:56:43,365 INFO L87 Difference]: Start difference. First operand 467 states and 718 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:56:43,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:43,418 INFO L93 Difference]: Finished difference Result 923 states and 1425 transitions. [2024-11-19 21:56:43,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 21:56:43,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2024-11-19 21:56:43,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:43,421 INFO L225 Difference]: With dead ends: 923 [2024-11-19 21:56:43,421 INFO L226 Difference]: Without dead ends: 469 [2024-11-19 21:56:43,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 21:56:43,423 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 2 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:43,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2359 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:56:43,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-19 21:56:43,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2024-11-19 21:56:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 361 states have (on average 1.5623268698060941) internal successors, (564), 367 states have internal predecessors, (564), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2024-11-19 21:56:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 724 transitions. [2024-11-19 21:56:43,439 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 724 transitions. Word has length 144 [2024-11-19 21:56:43,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:43,439 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 724 transitions. [2024-11-19 21:56:43,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:56:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 724 transitions. [2024-11-19 21:56:43,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-19 21:56:43,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:43,442 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:43,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 21:56:43,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:56:43,643 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:43,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:43,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1863627439, now seen corresponding path program 1 times [2024-11-19 21:56:43,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:43,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562109872] [2024-11-19 21:56:43,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:43,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:56:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:56:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-19 21:56:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-19 21:56:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 21:56:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 21:56:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 21:56:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 21:56:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:56:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 21:56:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:56:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:56:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:56:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:56:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-19 21:56:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:43,814 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-19 21:56:43,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:43,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562109872] [2024-11-19 21:56:43,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562109872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:43,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:56:43,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 21:56:43,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387877300] [2024-11-19 21:56:43,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:43,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 21:56:43,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:43,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 21:56:43,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:56:43,816 INFO L87 Difference]: Start difference. First operand 469 states and 724 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, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:56:45,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:45,498 INFO L93 Difference]: Finished difference Result 1017 states and 1589 transitions. [2024-11-19 21:56:45,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 21:56:45,499 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, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 145 [2024-11-19 21:56:45,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:45,502 INFO L225 Difference]: With dead ends: 1017 [2024-11-19 21:56:45,502 INFO L226 Difference]: Without dead ends: 571 [2024-11-19 21:56:45,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:56:45,504 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1343 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2555 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 2991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 2555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:45,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 1275 Invalid, 2991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 2555 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 21:56:45,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2024-11-19 21:56:45,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 469. [2024-11-19 21:56:45,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 361 states have (on average 1.5623268698060941) internal successors, (564), 367 states have internal predecessors, (564), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (82), 75 states have call predecessors, (82), 76 states have call successors, (82) [2024-11-19 21:56:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 723 transitions. [2024-11-19 21:56:45,540 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 723 transitions. Word has length 145 [2024-11-19 21:56:45,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:45,540 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 723 transitions. [2024-11-19 21:56:45,540 INFO L472 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, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 21:56:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 723 transitions. [2024-11-19 21:56:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-19 21:56:45,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:45,542 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:45,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 21:56:45,542 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:45,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:45,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1431553567, now seen corresponding path program 1 times [2024-11-19 21:56:45,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:45,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962112332] [2024-11-19 21:56:45,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:45,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:56:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:56:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-19 21:56:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-19 21:56:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-19 21:56:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:56:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 21:56:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:56:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 21:56:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:56:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:56:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 21:56:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 21:56:45,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:45,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962112332] [2024-11-19 21:56:45,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962112332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:45,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:56:45,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 21:56:45,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308150816] [2024-11-19 21:56:45,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:45,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 21:56:45,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:45,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 21:56:45,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:56:45,708 INFO L87 Difference]: Start difference. First operand 469 states and 723 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 21:56:47,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:47,617 INFO L93 Difference]: Finished difference Result 1019 states and 1592 transitions. [2024-11-19 21:56:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 21:56:47,618 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 127 [2024-11-19 21:56:47,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:47,622 INFO L225 Difference]: With dead ends: 1019 [2024-11-19 21:56:47,622 INFO L226 Difference]: Without dead ends: 573 [2024-11-19 21:56:47,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:56:47,625 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1339 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2572 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1340 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 3000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 2572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:47,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 1274 Invalid, 3000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 2572 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 21:56:47,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-19 21:56:47,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 471. [2024-11-19 21:56:47,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 362 states have (on average 1.5607734806629834) internal successors, (565), 369 states have internal predecessors, (565), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (84), 75 states have call predecessors, (84), 76 states have call successors, (84) [2024-11-19 21:56:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 726 transitions. [2024-11-19 21:56:47,660 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 726 transitions. Word has length 127 [2024-11-19 21:56:47,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:47,660 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 726 transitions. [2024-11-19 21:56:47,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 21:56:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 726 transitions. [2024-11-19 21:56:47,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-19 21:56:47,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:47,663 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:47,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 21:56:47,663 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:47,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:47,664 INFO L85 PathProgramCache]: Analyzing trace with hash 939067807, now seen corresponding path program 1 times [2024-11-19 21:56:47,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:47,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370325213] [2024-11-19 21:56:47,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:47,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:56:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:56:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:56:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 21:56:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 21:56:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:56:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:56:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:56:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:56:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:56:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:56:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 21:56:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 21:56:47,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:47,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370325213] [2024-11-19 21:56:47,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370325213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:47,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:56:47,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 21:56:47,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352078639] [2024-11-19 21:56:47,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:47,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 21:56:47,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:47,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 21:56:47,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:56:47,896 INFO L87 Difference]: Start difference. First operand 471 states and 726 transitions. Second operand has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 21:56:49,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:49,974 INFO L93 Difference]: Finished difference Result 1017 states and 1587 transitions. [2024-11-19 21:56:49,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 21:56:49,974 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 128 [2024-11-19 21:56:49,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:49,978 INFO L225 Difference]: With dead ends: 1017 [2024-11-19 21:56:49,978 INFO L226 Difference]: Without dead ends: 573 [2024-11-19 21:56:49,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 21:56:49,980 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1354 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 4143 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 4598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 4143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:49,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 1766 Invalid, 4598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 4143 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 21:56:49,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-19 21:56:50,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 471. [2024-11-19 21:56:50,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 362 states have (on average 1.5607734806629834) internal successors, (565), 369 states have internal predecessors, (565), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2024-11-19 21:56:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 725 transitions. [2024-11-19 21:56:50,017 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 725 transitions. Word has length 128 [2024-11-19 21:56:50,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:50,017 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 725 transitions. [2024-11-19 21:56:50,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 21:56:50,017 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 725 transitions. [2024-11-19 21:56:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-19 21:56:50,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:50,019 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:50,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 21:56:50,020 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:50,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:50,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1153498004, now seen corresponding path program 1 times [2024-11-19 21:56:50,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:50,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358828381] [2024-11-19 21:56:50,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:50,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:56:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:56:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:56:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 21:56:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-19 21:56:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:56:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:56:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:56:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:56:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:56:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:56:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:56:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:56:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 21:56:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-19 21:56:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:56:50,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:50,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358828381] [2024-11-19 21:56:50,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358828381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:50,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:56:50,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 21:56:50,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941773747] [2024-11-19 21:56:50,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:50,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 21:56:50,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:50,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 21:56:50,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:56:50,287 INFO L87 Difference]: Start difference. First operand 471 states and 725 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-19 21:56:52,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:52,424 INFO L93 Difference]: Finished difference Result 1019 states and 1593 transitions. [2024-11-19 21:56:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 21:56:52,425 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 148 [2024-11-19 21:56:52,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:52,428 INFO L225 Difference]: With dead ends: 1019 [2024-11-19 21:56:52,428 INFO L226 Difference]: Without dead ends: 575 [2024-11-19 21:56:52,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 21:56:52,430 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1349 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 4279 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 4730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 4279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:52,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 1769 Invalid, 4730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 4279 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-19 21:56:52,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-19 21:56:52,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 473. [2024-11-19 21:56:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 363 states have (on average 1.559228650137741) internal successors, (566), 371 states have internal predecessors, (566), 77 states have call successors, (77), 28 states have call predecessors, (77), 32 states have return successors, (88), 75 states have call predecessors, (88), 76 states have call successors, (88) [2024-11-19 21:56:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 731 transitions. [2024-11-19 21:56:52,454 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 731 transitions. Word has length 148 [2024-11-19 21:56:52,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:52,454 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 731 transitions. [2024-11-19 21:56:52,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-19 21:56:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 731 transitions. [2024-11-19 21:56:52,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-19 21:56:52,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:52,456 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:52,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 21:56:52,456 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:52,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:52,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1538963130, now seen corresponding path program 1 times [2024-11-19 21:56:52,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:52,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385662455] [2024-11-19 21:56:52,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:52,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:56:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:56:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:56:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:56:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-19 21:56:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:56:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:56:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 21:56:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:56:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:56:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:56:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:56:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:56:52,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:52,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385662455] [2024-11-19 21:56:52,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385662455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:56:52,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321029363] [2024-11-19 21:56:52,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:52,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:56:52,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:56:52,591 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) [2024-11-19 21:56:52,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 21:56:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:52,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 21:56:52,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:56:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:56:52,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 21:56:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:56:52,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321029363] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 21:56:52,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 21:56:52,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-19 21:56:52,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851978378] [2024-11-19 21:56:52,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 21:56:52,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 21:56:52,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:52,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 21:56:52,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-19 21:56:52,946 INFO L87 Difference]: Start difference. First operand 473 states and 731 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-19 21:56:54,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:54,813 INFO L93 Difference]: Finished difference Result 1206 states and 1962 transitions. [2024-11-19 21:56:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 21:56:54,813 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 130 [2024-11-19 21:56:54,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:54,818 INFO L225 Difference]: With dead ends: 1206 [2024-11-19 21:56:54,818 INFO L226 Difference]: Without dead ends: 992 [2024-11-19 21:56:54,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:56:54,820 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 1717 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 3334 mSolverCounterSat, 600 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 3934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 600 IncrementalHoareTripleChecker+Valid, 3334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:54,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1771 Valid, 1736 Invalid, 3934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [600 Valid, 3334 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-19 21:56:54,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2024-11-19 21:56:54,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 866. [2024-11-19 21:56:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 677 states have (on average 1.6233382570162482) internal successors, (1099), 685 states have internal predecessors, (1099), 156 states have call successors, (156), 28 states have call predecessors, (156), 32 states have return successors, (177), 154 states have call predecessors, (177), 155 states have call successors, (177) [2024-11-19 21:56:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1432 transitions. [2024-11-19 21:56:54,854 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1432 transitions. Word has length 130 [2024-11-19 21:56:54,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:54,854 INFO L471 AbstractCegarLoop]: Abstraction has 866 states and 1432 transitions. [2024-11-19 21:56:54,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-19 21:56:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1432 transitions. [2024-11-19 21:56:54,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-19 21:56:54,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:54,858 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:54,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 21:56:55,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:56:55,062 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:55,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:55,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1121060163, now seen corresponding path program 1 times [2024-11-19 21:56:55,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:55,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722901989] [2024-11-19 21:56:55,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:55,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:56:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:56:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:56:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 21:56:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:56:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:56:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:56:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:56:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:56:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:56:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 21:56:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:56:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:56:55,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:55,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722901989] [2024-11-19 21:56:55,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722901989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:55,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:56:55,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:56:55,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519636622] [2024-11-19 21:56:55,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:55,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:56:55,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:55,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:56:55,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:56:55,150 INFO L87 Difference]: Start difference. First operand 866 states and 1432 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:56:56,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:56,371 INFO L93 Difference]: Finished difference Result 2164 states and 3667 transitions. [2024-11-19 21:56:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:56:56,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 136 [2024-11-19 21:56:56,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:56,379 INFO L225 Difference]: With dead ends: 2164 [2024-11-19 21:56:56,379 INFO L226 Difference]: Without dead ends: 1366 [2024-11-19 21:56:56,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:56:56,382 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1474 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 1879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:56,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 985 Invalid, 1879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:56:56,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2024-11-19 21:56:56,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1256. [2024-11-19 21:56:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 988 states have (on average 1.638663967611336) internal successors, (1619), 996 states have internal predecessors, (1619), 235 states have call successors, (235), 28 states have call predecessors, (235), 32 states have return successors, (266), 233 states have call predecessors, (266), 234 states have call successors, (266) [2024-11-19 21:56:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2120 transitions. [2024-11-19 21:56:56,428 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2120 transitions. Word has length 136 [2024-11-19 21:56:56,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:56,428 INFO L471 AbstractCegarLoop]: Abstraction has 1256 states and 2120 transitions. [2024-11-19 21:56:56,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:56:56,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2120 transitions. [2024-11-19 21:56:56,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 21:56:56,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:56,433 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:56,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 21:56:56,434 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:56,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:56,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1912345990, now seen corresponding path program 1 times [2024-11-19 21:56:56,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:56,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643767458] [2024-11-19 21:56:56,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:56,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:56:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:56:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:56:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 21:56:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:56:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:56:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:56:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:56:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:56:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:56:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 21:56:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:56:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-19 21:56:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-19 21:56:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 21:56:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:56:56,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:56,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643767458] [2024-11-19 21:56:56,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643767458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:56,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:56:56,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:56:56,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58476594] [2024-11-19 21:56:56,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:56,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:56:56,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:56,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:56:56,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:56:56,527 INFO L87 Difference]: Start difference. First operand 1256 states and 2120 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:56:57,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:57,809 INFO L93 Difference]: Finished difference Result 3113 states and 5341 transitions. [2024-11-19 21:56:57,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:56:57,809 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-11-19 21:56:57,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:57,818 INFO L225 Difference]: With dead ends: 3113 [2024-11-19 21:56:57,818 INFO L226 Difference]: Without dead ends: 1978 [2024-11-19 21:56:57,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:56:57,823 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1468 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 1870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:57,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 935 Invalid, 1870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:56:57,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2024-11-19 21:56:57,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1868. [2024-11-19 21:56:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1868 states, 1481 states have (on average 1.648885887913572) internal successors, (2442), 1489 states have internal predecessors, (2442), 354 states have call successors, (354), 28 states have call predecessors, (354), 32 states have return successors, (385), 352 states have call predecessors, (385), 353 states have call successors, (385) [2024-11-19 21:56:57,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 3181 transitions. [2024-11-19 21:56:57,913 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 3181 transitions. Word has length 156 [2024-11-19 21:56:57,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:57,913 INFO L471 AbstractCegarLoop]: Abstraction has 1868 states and 3181 transitions. [2024-11-19 21:56:57,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:56:57,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3181 transitions. [2024-11-19 21:56:57,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-19 21:56:57,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:57,922 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:57,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 21:56:57,922 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:57,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:57,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1522553624, now seen corresponding path program 1 times [2024-11-19 21:56:57,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:57,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890397656] [2024-11-19 21:56:57,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:57,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:57,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:57,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:57,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:57,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:56:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:57,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:56:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:57,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:56:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:57,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:56:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:56:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:56:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:56:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:56:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:56:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:56:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 21:56:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-19 21:56:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-19 21:56:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-19 21:56:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-19 21:56:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:56:58,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:58,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890397656] [2024-11-19 21:56:58,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890397656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:58,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:56:58,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:56:58,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152730887] [2024-11-19 21:56:58,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:58,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:56:58,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:58,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:56:58,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:56:58,020 INFO L87 Difference]: Start difference. First operand 1868 states and 3181 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:56:59,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:56:59,265 INFO L93 Difference]: Finished difference Result 4538 states and 7875 transitions. [2024-11-19 21:56:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:56:59,265 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2024-11-19 21:56:59,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:56:59,280 INFO L225 Difference]: With dead ends: 4538 [2024-11-19 21:56:59,280 INFO L226 Difference]: Without dead ends: 2916 [2024-11-19 21:56:59,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:56:59,287 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1463 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 1885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:56:59,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 934 Invalid, 1885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:56:59,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2916 states. [2024-11-19 21:56:59,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2916 to 2806. [2024-11-19 21:56:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 2257 states have (on average 1.6570669029685423) internal successors, (3740), 2265 states have internal predecessors, (3740), 516 states have call successors, (516), 28 states have call predecessors, (516), 32 states have return successors, (563), 514 states have call predecessors, (563), 515 states have call successors, (563) [2024-11-19 21:56:59,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 4819 transitions. [2024-11-19 21:56:59,417 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 4819 transitions. Word has length 157 [2024-11-19 21:56:59,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:56:59,417 INFO L471 AbstractCegarLoop]: Abstraction has 2806 states and 4819 transitions. [2024-11-19 21:56:59,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:56:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 4819 transitions. [2024-11-19 21:56:59,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-19 21:56:59,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:56:59,427 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:56:59,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 21:56:59,427 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:56:59,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:56:59,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1097754988, now seen corresponding path program 1 times [2024-11-19 21:56:59,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:56:59,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159820574] [2024-11-19 21:56:59,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:56:59,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:56:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:56:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:56:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:56:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:56:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:56:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:56:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:56:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:56:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 21:56:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 21:56:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 21:56:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:56:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 21:56:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:56:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-19 21:56:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:56:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:56:59,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:56:59,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159820574] [2024-11-19 21:56:59,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159820574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:56:59,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:56:59,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:56:59,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66412209] [2024-11-19 21:56:59,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:56:59,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:56:59,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:56:59,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:56:59,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:56:59,518 INFO L87 Difference]: Start difference. First operand 2806 states and 4819 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:57:00,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:00,756 INFO L93 Difference]: Finished difference Result 6787 states and 11884 transitions. [2024-11-19 21:57:00,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:00,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 139 [2024-11-19 21:57:00,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:00,776 INFO L225 Difference]: With dead ends: 6787 [2024-11-19 21:57:00,776 INFO L226 Difference]: Without dead ends: 4431 [2024-11-19 21:57:00,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:00,783 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1466 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 519 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:00,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 934 Invalid, 1902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 21:57:00,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4431 states. [2024-11-19 21:57:00,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4431 to 4321. [2024-11-19 21:57:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4321 states, 3527 states have (on average 1.6628863056421888) internal successors, (5865), 3535 states have internal predecessors, (5865), 761 states have call successors, (761), 28 states have call predecessors, (761), 32 states have return successors, (834), 759 states have call predecessors, (834), 760 states have call successors, (834) [2024-11-19 21:57:00,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 4321 states and 7460 transitions. [2024-11-19 21:57:00,956 INFO L78 Accepts]: Start accepts. Automaton has 4321 states and 7460 transitions. Word has length 139 [2024-11-19 21:57:00,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:00,956 INFO L471 AbstractCegarLoop]: Abstraction has 4321 states and 7460 transitions. [2024-11-19 21:57:00,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:57:00,956 INFO L276 IsEmpty]: Start isEmpty. Operand 4321 states and 7460 transitions. [2024-11-19 21:57:00,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-19 21:57:00,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:00,970 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:00,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 21:57:00,970 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:00,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:00,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1363561492, now seen corresponding path program 1 times [2024-11-19 21:57:00,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:00,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146820054] [2024-11-19 21:57:00,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:00,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 21:57:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:57:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:57:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:57:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 21:57:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:57:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 21:57:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 21:57:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:57:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-19 21:57:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-19 21:57:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 21:57:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:57:01,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:01,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146820054] [2024-11-19 21:57:01,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146820054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:01,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:01,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:01,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245667549] [2024-11-19 21:57:01,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:01,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:01,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:01,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:01,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:01,076 INFO L87 Difference]: Start difference. First operand 4321 states and 7460 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:02,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:02,409 INFO L93 Difference]: Finished difference Result 10803 states and 18996 transitions. [2024-11-19 21:57:02,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:02,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2024-11-19 21:57:02,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:02,443 INFO L225 Difference]: With dead ends: 10803 [2024-11-19 21:57:02,446 INFO L226 Difference]: Without dead ends: 7164 [2024-11-19 21:57:02,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:02,456 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1456 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:02,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 994 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:57:02,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2024-11-19 21:57:02,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 7054. [2024-11-19 21:57:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7054 states, 5767 states have (on average 1.6594416507716316) internal successors, (9570), 5775 states have internal predecessors, (9570), 1254 states have call successors, (1254), 28 states have call predecessors, (1254), 32 states have return successors, (1371), 1252 states have call predecessors, (1371), 1253 states have call successors, (1371) [2024-11-19 21:57:02,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7054 states to 7054 states and 12195 transitions. [2024-11-19 21:57:02,673 INFO L78 Accepts]: Start accepts. Automaton has 7054 states and 12195 transitions. Word has length 159 [2024-11-19 21:57:02,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:02,674 INFO L471 AbstractCegarLoop]: Abstraction has 7054 states and 12195 transitions. [2024-11-19 21:57:02,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:02,674 INFO L276 IsEmpty]: Start isEmpty. Operand 7054 states and 12195 transitions. [2024-11-19 21:57:02,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-19 21:57:02,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:02,692 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:02,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 21:57:02,693 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:02,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:02,693 INFO L85 PathProgramCache]: Analyzing trace with hash 309621931, now seen corresponding path program 1 times [2024-11-19 21:57:02,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:02,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913572478] [2024-11-19 21:57:02,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:02,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:57:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:57:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 21:57:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 21:57:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 21:57:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:57:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:57:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-19 21:57:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:57:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 21:57:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 21:57:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-19 21:57:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:02,788 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:57:02,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:02,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913572478] [2024-11-19 21:57:02,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913572478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:02,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:02,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:02,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173842268] [2024-11-19 21:57:02,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:02,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:02,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:02,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:02,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:02,790 INFO L87 Difference]: Start difference. First operand 7054 states and 12195 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:04,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:04,261 INFO L93 Difference]: Finished difference Result 17943 states and 31568 transitions. [2024-11-19 21:57:04,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:04,261 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2024-11-19 21:57:04,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:04,302 INFO L225 Difference]: With dead ends: 17943 [2024-11-19 21:57:04,302 INFO L226 Difference]: Without dead ends: 11948 [2024-11-19 21:57:04,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:04,323 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1452 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 496 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:04,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 940 Invalid, 1898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [496 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:57:04,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11948 states. [2024-11-19 21:57:04,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11948 to 11838. [2024-11-19 21:57:04,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11838 states, 9729 states have (on average 1.659780039058485) internal successors, (16148), 9737 states have internal predecessors, (16148), 2076 states have call successors, (2076), 28 states have call predecessors, (2076), 32 states have return successors, (2271), 2074 states have call predecessors, (2271), 2075 states have call successors, (2271) [2024-11-19 21:57:04,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11838 states to 11838 states and 20495 transitions. [2024-11-19 21:57:04,704 INFO L78 Accepts]: Start accepts. Automaton has 11838 states and 20495 transitions. Word has length 160 [2024-11-19 21:57:04,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:04,705 INFO L471 AbstractCegarLoop]: Abstraction has 11838 states and 20495 transitions. [2024-11-19 21:57:04,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:04,705 INFO L276 IsEmpty]: Start isEmpty. Operand 11838 states and 20495 transitions. [2024-11-19 21:57:04,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-19 21:57:04,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:04,734 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:04,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 21:57:04,734 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:04,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:04,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1681961187, now seen corresponding path program 1 times [2024-11-19 21:57:04,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:04,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72286745] [2024-11-19 21:57:04,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:04,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:57:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:57:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 21:57:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 21:57:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:57:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:57:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 21:57:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:57:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-19 21:57:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 21:57:04,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:04,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72286745] [2024-11-19 21:57:04,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72286745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:04,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:04,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:04,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848934283] [2024-11-19 21:57:04,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:04,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:04,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:04,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:04,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:04,849 INFO L87 Difference]: Start difference. First operand 11838 states and 20495 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, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:57:06,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:06,420 INFO L93 Difference]: Finished difference Result 28376 states and 49693 transitions. [2024-11-19 21:57:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:06,420 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, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2024-11-19 21:57:06,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:06,476 INFO L225 Difference]: With dead ends: 28376 [2024-11-19 21:57:06,477 INFO L226 Difference]: Without dead ends: 18541 [2024-11-19 21:57:06,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:06,507 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1458 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:06,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 936 Invalid, 1871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:57:06,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18541 states. [2024-11-19 21:57:07,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18541 to 18431. [2024-11-19 21:57:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18431 states, 15119 states have (on average 1.6346319201005357) internal successors, (24714), 15127 states have internal predecessors, (24714), 3279 states have call successors, (3279), 28 states have call predecessors, (3279), 32 states have return successors, (3618), 3277 states have call predecessors, (3618), 3278 states have call successors, (3618) [2024-11-19 21:57:07,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18431 states to 18431 states and 31611 transitions. [2024-11-19 21:57:07,339 INFO L78 Accepts]: Start accepts. Automaton has 18431 states and 31611 transitions. Word has length 142 [2024-11-19 21:57:07,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:07,340 INFO L471 AbstractCegarLoop]: Abstraction has 18431 states and 31611 transitions. [2024-11-19 21:57:07,340 INFO L472 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, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 21:57:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand 18431 states and 31611 transitions. [2024-11-19 21:57:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-19 21:57:07,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:07,365 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:07,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 21:57:07,365 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:07,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash 467229804, now seen corresponding path program 1 times [2024-11-19 21:57:07,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:07,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125125758] [2024-11-19 21:57:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:07,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:57:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 21:57:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 21:57:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:57:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:57:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:57:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:57:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 21:57:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-19 21:57:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-19 21:57:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-19 21:57:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-19 21:57:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:57:07,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:07,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125125758] [2024-11-19 21:57:07,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125125758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:07,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:07,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:07,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339137535] [2024-11-19 21:57:07,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:07,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:07,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:07,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:07,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:07,508 INFO L87 Difference]: Start difference. First operand 18431 states and 31611 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, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:09,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:09,485 INFO L93 Difference]: Finished difference Result 48798 states and 85197 transitions. [2024-11-19 21:57:09,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:09,486 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, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-11-19 21:57:09,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:09,734 INFO L225 Difference]: With dead ends: 48798 [2024-11-19 21:57:09,735 INFO L226 Difference]: Without dead ends: 32977 [2024-11-19 21:57:09,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:09,939 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1449 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:09,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 935 Invalid, 1918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [488 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:57:09,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32977 states. [2024-11-19 21:57:10,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32977 to 32867. [2024-11-19 21:57:10,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32867 states, 27105 states have (on average 1.6314702084486257) internal successors, (44221), 27113 states have internal predecessors, (44221), 5729 states have call successors, (5729), 28 states have call predecessors, (5729), 32 states have return successors, (6342), 5727 states have call predecessors, (6342), 5728 states have call successors, (6342) [2024-11-19 21:57:10,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32867 states to 32867 states and 56292 transitions. [2024-11-19 21:57:10,921 INFO L78 Accepts]: Start accepts. Automaton has 32867 states and 56292 transitions. Word has length 162 [2024-11-19 21:57:10,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:10,921 INFO L471 AbstractCegarLoop]: Abstraction has 32867 states and 56292 transitions. [2024-11-19 21:57:10,921 INFO L472 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, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 32867 states and 56292 transitions. [2024-11-19 21:57:10,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-19 21:57:10,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:10,964 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:10,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 21:57:10,964 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:10,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:10,965 INFO L85 PathProgramCache]: Analyzing trace with hash 185430960, now seen corresponding path program 1 times [2024-11-19 21:57:10,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:10,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560231397] [2024-11-19 21:57:10,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:10,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:57:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 21:57:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:57:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:57:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:57:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:57:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 21:57:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-19 21:57:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-19 21:57:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-19 21:57:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-19 21:57:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-19 21:57:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:57:11,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:11,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560231397] [2024-11-19 21:57:11,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560231397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:11,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:11,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:11,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759920639] [2024-11-19 21:57:11,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:11,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:11,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:11,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:11,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:11,081 INFO L87 Difference]: Start difference. First operand 32867 states and 56292 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:14,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:14,073 INFO L93 Difference]: Finished difference Result 89695 states and 155831 transitions. [2024-11-19 21:57:14,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:14,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2024-11-19 21:57:14,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:14,269 INFO L225 Difference]: With dead ends: 89695 [2024-11-19 21:57:14,269 INFO L226 Difference]: Without dead ends: 60314 [2024-11-19 21:57:14,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:14,338 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1452 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 525 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1470 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 525 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:14,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1470 Valid, 940 Invalid, 1893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [525 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-19 21:57:14,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60314 states. [2024-11-19 21:57:16,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60314 to 60204. [2024-11-19 21:57:16,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60204 states, 49929 states have (on average 1.6271906106671474) internal successors, (81244), 49937 states have internal predecessors, (81244), 10242 states have call successors, (10242), 28 states have call predecessors, (10242), 32 states have return successors, (11387), 10240 states have call predecessors, (11387), 10241 states have call successors, (11387) [2024-11-19 21:57:16,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60204 states to 60204 states and 102873 transitions. [2024-11-19 21:57:16,480 INFO L78 Accepts]: Start accepts. Automaton has 60204 states and 102873 transitions. Word has length 163 [2024-11-19 21:57:16,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:16,481 INFO L471 AbstractCegarLoop]: Abstraction has 60204 states and 102873 transitions. [2024-11-19 21:57:16,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 60204 states and 102873 transitions. [2024-11-19 21:57:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 21:57:16,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:16,786 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:16,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 21:57:16,787 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:16,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:16,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1839588532, now seen corresponding path program 1 times [2024-11-19 21:57:16,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:16,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698001812] [2024-11-19 21:57:16,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:16,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:16,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:16,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:16,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:16,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:16,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:16,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:57:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:57:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:57:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:57:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:57:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:57:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-19 21:57:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-19 21:57:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-19 21:57:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-19 21:57:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-19 21:57:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-19 21:57:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:57:17,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:17,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698001812] [2024-11-19 21:57:17,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698001812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:17,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:17,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:57:17,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922812385] [2024-11-19 21:57:17,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:17,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:57:17,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:17,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:57:17,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:57:17,026 INFO L87 Difference]: Start difference. First operand 60204 states and 102873 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:20,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:20,509 INFO L93 Difference]: Finished difference Result 112786 states and 196409 transitions. [2024-11-19 21:57:20,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:57:20,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-11-19 21:57:20,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:21,144 INFO L225 Difference]: With dead ends: 112786 [2024-11-19 21:57:21,144 INFO L226 Difference]: Without dead ends: 112572 [2024-11-19 21:57:21,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:57:21,179 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1451 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 1897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:21,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 944 Invalid, 1897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 21:57:21,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112572 states. [2024-11-19 21:57:24,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112572 to 112462. [2024-11-19 21:57:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112462 states, 93819 states have (on average 1.6217503917117002) internal successors, (152151), 93827 states have internal predecessors, (152151), 18610 states have call successors, (18610), 28 states have call predecessors, (18610), 32 states have return successors, (20801), 18608 states have call predecessors, (20801), 18609 states have call successors, (20801) [2024-11-19 21:57:25,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112462 states to 112462 states and 191562 transitions. [2024-11-19 21:57:25,047 INFO L78 Accepts]: Start accepts. Automaton has 112462 states and 191562 transitions. Word has length 164 [2024-11-19 21:57:25,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:25,047 INFO L471 AbstractCegarLoop]: Abstraction has 112462 states and 191562 transitions. [2024-11-19 21:57:25,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:25,048 INFO L276 IsEmpty]: Start isEmpty. Operand 112462 states and 191562 transitions. [2024-11-19 21:57:25,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-19 21:57:25,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:25,093 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:25,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 21:57:25,093 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:25,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:25,093 INFO L85 PathProgramCache]: Analyzing trace with hash 740325487, now seen corresponding path program 1 times [2024-11-19 21:57:25,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:25,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943504764] [2024-11-19 21:57:25,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:25,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:57:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:57:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:57:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:57:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:57:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:57:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-19 21:57:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 21:57:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 21:57:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-19 21:57:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-19 21:57:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 21:57:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:57:25,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:25,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943504764] [2024-11-19 21:57:25,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943504764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:25,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:25,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 21:57:25,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084452338] [2024-11-19 21:57:25,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:25,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 21:57:25,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:25,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 21:57:25,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:57:25,670 INFO L87 Difference]: Start difference. First operand 112462 states and 191562 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:32,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:57:32,491 INFO L93 Difference]: Finished difference Result 216662 states and 376871 transitions. [2024-11-19 21:57:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 21:57:32,491 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2024-11-19 21:57:32,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:57:33,283 INFO L225 Difference]: With dead ends: 216662 [2024-11-19 21:57:33,284 INFO L226 Difference]: Without dead ends: 216456 [2024-11-19 21:57:33,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-11-19 21:57:33,356 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 3028 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 3224 mSolverCounterSat, 941 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3046 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 4165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 941 IncrementalHoareTripleChecker+Valid, 3224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:57:33,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3046 Valid, 1643 Invalid, 4165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [941 Valid, 3224 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-19 21:57:33,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216456 states. [2024-11-19 21:57:40,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216456 to 216246. [2024-11-19 21:57:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216246 states, 180463 states have (on average 1.625252821908092) internal successors, (293298), 180419 states have internal predecessors, (293298), 35722 states have call successors, (35722), 55 states have call predecessors, (35722), 60 states have return successors, (39005), 35775 states have call predecessors, (39005), 35720 states have call successors, (39005) [2024-11-19 21:57:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216246 states to 216246 states and 368025 transitions. [2024-11-19 21:57:42,457 INFO L78 Accepts]: Start accepts. Automaton has 216246 states and 368025 transitions. Word has length 165 [2024-11-19 21:57:42,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:57:42,459 INFO L471 AbstractCegarLoop]: Abstraction has 216246 states and 368025 transitions. [2024-11-19 21:57:42,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:57:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 216246 states and 368025 transitions. [2024-11-19 21:57:42,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-19 21:57:42,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:57:42,543 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:57:42,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 21:57:42,543 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:57:42,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:57:42,544 INFO L85 PathProgramCache]: Analyzing trace with hash 723406153, now seen corresponding path program 1 times [2024-11-19 21:57:42,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:57:42,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763027001] [2024-11-19 21:57:42,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:57:42,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:57:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:57:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:57:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:57:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:57:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:57:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:57:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:57:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:57:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:57:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:57:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:57:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 21:57:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 21:57:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-19 21:57:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-19 21:57:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 21:57:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 21:57:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-19 21:57:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:57:42,808 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 21:57:42,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:57:42,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763027001] [2024-11-19 21:57:42,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763027001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:57:42,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:57:42,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 21:57:42,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258343546] [2024-11-19 21:57:42,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:57:42,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 21:57:42,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:57:42,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 21:57:42,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-19 21:57:42,811 INFO L87 Difference]: Start difference. First operand 216246 states and 368025 transitions. Second operand has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 8 states have internal predecessors, (105), 5 states have call successors, (21), 8 states have call predecessors, (21), 2 states have return successors, (18), 4 states have call predecessors, (18), 5 states have call successors, (18)