./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_spec8_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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_spec8_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 9244be1607acf28cf3da39a66e263e3f7b227fe42ed993f89a6311649f8ded26 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 19:35:58,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 19:35:58,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 19:35:58,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 19:35:58,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 19:35:58,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 19:35:58,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 19:35:58,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 19:35:58,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 19:35:58,653 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 19:35:58,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 19:35:58,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 19:35:58,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 19:35:58,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 19:35:58,657 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 19:35:58,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 19:35:58,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 19:35:58,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 19:35:58,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 19:35:58,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 19:35:58,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 19:35:58,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 19:35:58,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 19:35:58,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 19:35:58,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 19:35:58,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 19:35:58,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 19:35:58,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 19:35:58,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 19:35:58,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 19:35:58,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 19:35:58,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 19:35:58,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:35:58,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 19:35:58,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 19:35:58,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 19:35:58,665 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 19:35:58,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 19:35:58,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 19:35:58,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 19:35:58,667 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 19:35:58,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 19:35:58,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9244be1607acf28cf3da39a66e263e3f7b227fe42ed993f89a6311649f8ded26 [2024-10-12 19:35:58,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 19:35:58,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 19:35:58,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 19:35:58,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 19:35:58,993 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 19:35:58,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product29.cil.c [2024-10-12 19:36:00,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 19:36:00,792 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 19:36:00,793 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product29.cil.c [2024-10-12 19:36:00,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d11a3524/b2724d4c45bb45b6881852d1f5a08e3a/FLAG5e6846eef [2024-10-12 19:36:00,826 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d11a3524/b2724d4c45bb45b6881852d1f5a08e3a [2024-10-12 19:36:00,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 19:36:00,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 19:36:00,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 19:36:00,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 19:36:00,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 19:36:00,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:36:00" (1/1) ... [2024-10-12 19:36:00,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563c311d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:00, skipping insertion in model container [2024-10-12 19:36:00,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:36:00" (1/1) ... [2024-10-12 19:36:00,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 19:36:01,443 WARN L248 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_spec8_product29.cil.c[29472,29485] [2024-10-12 19:36:01,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:36:01,661 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 19:36:01,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-10-12 19:36:01,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [460] [2024-10-12 19:36:01,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [509] [2024-10-12 19:36:01,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [648] [2024-10-12 19:36:01,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [692] [2024-10-12 19:36:01,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1058] [2024-10-12 19:36:01,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1075] [2024-10-12 19:36:01,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1300] [2024-10-12 19:36:01,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1309] [2024-10-12 19:36:01,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1688] [2024-10-12 19:36:01,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1975] [2024-10-12 19:36:01,743 WARN L248 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_spec8_product29.cil.c[29472,29485] [2024-10-12 19:36:01,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:36:01,837 INFO L204 MainTranslator]: Completed translation [2024-10-12 19:36:01,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01 WrapperNode [2024-10-12 19:36:01,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 19:36:01,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 19:36:01,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 19:36:01,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 19:36:01,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:01,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:01,942 INFO L138 Inliner]: procedures = 132, calls = 214, calls flagged for inlining = 56, calls inlined = 48, statements flattened = 940 [2024-10-12 19:36:01,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 19:36:01,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 19:36:01,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 19:36:01,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 19:36:01,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:01,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:01,973 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:02,007 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]. [2024-10-12 19:36:02,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:02,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:02,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:02,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:02,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:02,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:02,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 19:36:02,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 19:36:02,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 19:36:02,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 19:36:02,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (1/1) ... [2024-10-12 19:36:02,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:36:02,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:36:02,117 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) [2024-10-12 19:36:02,122 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 [2024-10-12 19:36:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-12 19:36:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-12 19:36:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-12 19:36:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-12 19:36:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-12 19:36:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-12 19:36:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-12 19:36:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-12 19:36:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-12 19:36:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-12 19:36:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-12 19:36:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-12 19:36:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-12 19:36:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-12 19:36:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-12 19:36:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-12 19:36:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-12 19:36:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-12 19:36:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-12 19:36:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-12 19:36:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-12 19:36:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-12 19:36:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-12 19:36:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-12 19:36:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-12 19:36:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-12 19:36:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-12 19:36:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-12 19:36:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 19:36:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-12 19:36:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-12 19:36:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-12 19:36:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-12 19:36:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-12 19:36:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-12 19:36:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-12 19:36:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-12 19:36:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-12 19:36:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-12 19:36:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-12 19:36:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-12 19:36:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-12 19:36:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-12 19:36:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-10-12 19:36:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-10-12 19:36:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-12 19:36:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-12 19:36:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-12 19:36:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-12 19:36:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-12 19:36:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-12 19:36:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-12 19:36:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-12 19:36:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 19:36:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 19:36:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 19:36:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 19:36:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-12 19:36:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-12 19:36:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-12 19:36:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-12 19:36:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 19:36:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 19:36:02,415 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 19:36:02,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 19:36:03,404 INFO L? ?]: Removed 505 outVars from TransFormulas that were not future-live. [2024-10-12 19:36:03,405 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 19:36:03,467 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 19:36:03,467 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 19:36:03,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:36:03 BoogieIcfgContainer [2024-10-12 19:36:03,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 19:36:03,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 19:36:03,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 19:36:03,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 19:36:03,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 07:36:00" (1/3) ... [2024-10-12 19:36:03,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6439dc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:36:03, skipping insertion in model container [2024-10-12 19:36:03,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:36:01" (2/3) ... [2024-10-12 19:36:03,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6439dc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:36:03, skipping insertion in model container [2024-10-12 19:36:03,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:36:03" (3/3) ... [2024-10-12 19:36:03,476 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product29.cil.c [2024-10-12 19:36:03,491 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 19:36:03,491 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 19:36:03,578 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 19:36:03,584 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;@4e8fffba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 19:36:03,584 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 19:36:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 383 states, 290 states have (on average 1.603448275862069) internal successors, (465), 295 states have internal predecessors, (465), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-12 19:36:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-12 19:36:03,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:03,619 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:03,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:03,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:03,625 INFO L85 PathProgramCache]: Analyzing trace with hash 984800729, now seen corresponding path program 1 times [2024-10-12 19:36:03,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:03,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192438680] [2024-10-12 19:36:03,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:03,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:36:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:36:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:36:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-12 19:36:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-12 19:36:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 19:36:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 19:36:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-12 19:36:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-12 19:36:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 19:36:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:36:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-12 19:36:04,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:04,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192438680] [2024-10-12 19:36:04,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192438680] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:36:04,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983211183] [2024-10-12 19:36:04,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:04,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:36:04,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:36:04,461 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) [2024-10-12 19:36:04,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-12 19:36:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:04,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-12 19:36:04,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:36:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-12 19:36:04,876 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:36:04,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983211183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:04,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:36:04,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-12 19:36:04,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817004557] [2024-10-12 19:36:04,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:04,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 19:36:04,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:04,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 19:36:04,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:36:04,923 INFO L87 Difference]: Start difference. First operand has 383 states, 290 states have (on average 1.603448275862069) internal successors, (465), 295 states have internal predecessors, (465), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:05,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:05,057 INFO L93 Difference]: Finished difference Result 586 states and 888 transitions. [2024-10-12 19:36:05,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 19:36:05,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 104 [2024-10-12 19:36:05,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:05,085 INFO L225 Difference]: With dead ends: 586 [2024-10-12 19:36:05,086 INFO L226 Difference]: Without dead ends: 380 [2024-10-12 19:36:05,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:36:05,100 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:05,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 574 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:36:05,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-10-12 19:36:05,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-10-12 19:36:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 288 states have (on average 1.5902777777777777) internal successors, (458), 292 states have internal predecessors, (458), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-12 19:36:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 583 transitions. [2024-10-12 19:36:05,187 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 583 transitions. Word has length 104 [2024-10-12 19:36:05,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:05,188 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 583 transitions. [2024-10-12 19:36:05,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 583 transitions. [2024-10-12 19:36:05,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-12 19:36:05,194 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:05,194 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:05,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-12 19:36:05,397 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 [2024-10-12 19:36:05,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:05,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:05,399 INFO L85 PathProgramCache]: Analyzing trace with hash -976937940, now seen corresponding path program 1 times [2024-10-12 19:36:05,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:05,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323330042] [2024-10-12 19:36:05,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:05,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:36:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:36:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:36:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-12 19:36:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-12 19:36:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-12 19:36:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-12 19:36:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 19:36:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-12 19:36:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:36:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:36:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-12 19:36:05,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:05,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323330042] [2024-10-12 19:36:05,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323330042] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:36:05,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806274417] [2024-10-12 19:36:05,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:05,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:36:05,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:36:05,780 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) [2024-10-12 19:36:05,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-12 19:36:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 19:36:06,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:36:06,164 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-12 19:36:06,164 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:36:06,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806274417] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:06,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:36:06,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-12 19:36:06,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249499912] [2024-10-12 19:36:06,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:06,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:36:06,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:06,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:36:06,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:36:06,175 INFO L87 Difference]: Start difference. First operand 380 states and 583 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:06,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:06,242 INFO L93 Difference]: Finished difference Result 582 states and 872 transitions. [2024-10-12 19:36:06,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:36:06,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2024-10-12 19:36:06,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:06,247 INFO L225 Difference]: With dead ends: 582 [2024-10-12 19:36:06,247 INFO L226 Difference]: Without dead ends: 382 [2024-10-12 19:36:06,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:36:06,249 INFO L432 NwaCegarLoop]: 571 mSDtfsCounter, 0 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:06,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1141 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:36:06,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-10-12 19:36:06,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-10-12 19:36:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 290 states have (on average 1.5862068965517242) internal successors, (460), 294 states have internal predecessors, (460), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-12 19:36:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 585 transitions. [2024-10-12 19:36:06,285 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 585 transitions. Word has length 105 [2024-10-12 19:36:06,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:06,286 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 585 transitions. [2024-10-12 19:36:06,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 585 transitions. [2024-10-12 19:36:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-12 19:36:06,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:06,291 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:06,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-12 19:36:06,491 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 [2024-10-12 19:36:06,492 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:06,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:06,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1940417642, now seen corresponding path program 1 times [2024-10-12 19:36:06,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:06,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354854535] [2024-10-12 19:36:06,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:06,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:36:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:36:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:36:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-12 19:36:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-12 19:36:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-12 19:36:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:36:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-12 19:36:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:36:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 19:36:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 19:36:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-12 19:36:06,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:06,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354854535] [2024-10-12 19:36:06,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354854535] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:36:06,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538034066] [2024-10-12 19:36:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:06,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:36:06,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:36:06,776 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) [2024-10-12 19:36:06,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-12 19:36:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 19:36:07,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:36:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-12 19:36:07,122 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:36:07,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538034066] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:07,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:36:07,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-12 19:36:07,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731237678] [2024-10-12 19:36:07,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:07,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:36:07,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:07,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:36:07,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:36:07,124 INFO L87 Difference]: Start difference. First operand 382 states and 585 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:07,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:07,174 INFO L93 Difference]: Finished difference Result 808 states and 1255 transitions. [2024-10-12 19:36:07,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:36:07,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2024-10-12 19:36:07,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:07,178 INFO L225 Difference]: With dead ends: 808 [2024-10-12 19:36:07,178 INFO L226 Difference]: Without dead ends: 448 [2024-10-12 19:36:07,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-12 19:36:07,182 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 122 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:07,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1104 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:36:07,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-12 19:36:07,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 443. [2024-10-12 19:36:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 337 states have (on average 1.6023738872403561) internal successors, (540), 341 states have internal predecessors, (540), 77 states have call successors, (77), 28 states have call predecessors, (77), 28 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-12 19:36:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 693 transitions. [2024-10-12 19:36:07,222 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 693 transitions. Word has length 110 [2024-10-12 19:36:07,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:07,223 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 693 transitions. [2024-10-12 19:36:07,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 693 transitions. [2024-10-12 19:36:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-12 19:36:07,225 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:07,225 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:07,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-12 19:36:07,431 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 [2024-10-12 19:36:07,431 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:07,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:07,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1280511819, now seen corresponding path program 1 times [2024-10-12 19:36:07,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:07,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336560839] [2024-10-12 19:36:07,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:07,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-12 19:36:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-12 19:36:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 19:36:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-12 19:36:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-12 19:36:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-12 19:36:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:36:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-12 19:36:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 19:36:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:36:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 19:36:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-12 19:36:07,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:07,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336560839] [2024-10-12 19:36:07,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336560839] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:36:07,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971803912] [2024-10-12 19:36:07,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:07,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:36:07,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:36:07,665 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) [2024-10-12 19:36:07,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-12 19:36:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:07,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 19:36:07,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:36:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-12 19:36:08,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:36:08,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971803912] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:08,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:36:08,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-12 19:36:08,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502526123] [2024-10-12 19:36:08,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:08,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 19:36:08,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:08,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 19:36:08,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:36:08,035 INFO L87 Difference]: Start difference. First operand 443 states and 693 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-12 19:36:08,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:08,176 INFO L93 Difference]: Finished difference Result 881 states and 1380 transitions. [2024-10-12 19:36:08,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 19:36:08,176 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 111 [2024-10-12 19:36:08,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:08,180 INFO L225 Difference]: With dead ends: 881 [2024-10-12 19:36:08,181 INFO L226 Difference]: Without dead ends: 445 [2024-10-12 19:36:08,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:36:08,184 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 2 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2241 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:08,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2241 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 19:36:08,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-10-12 19:36:08,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2024-10-12 19:36:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 338 states have (on average 1.6005917159763314) internal successors, (541), 343 states have internal predecessors, (541), 77 states have call successors, (77), 28 states have call predecessors, (77), 29 states have return successors, (78), 75 states have call predecessors, (78), 76 states have call successors, (78) [2024-10-12 19:36:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 696 transitions. [2024-10-12 19:36:08,215 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 696 transitions. Word has length 111 [2024-10-12 19:36:08,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:08,216 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 696 transitions. [2024-10-12 19:36:08,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-12 19:36:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 696 transitions. [2024-10-12 19:36:08,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-12 19:36:08,220 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:08,221 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:08,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-12 19:36:08,421 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 [2024-10-12 19:36:08,422 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:08,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:08,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1427010386, now seen corresponding path program 1 times [2024-10-12 19:36:08,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:08,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519361227] [2024-10-12 19:36:08,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:08,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 19:36:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-12 19:36:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-12 19:36:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 19:36:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 19:36:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:36:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-12 19:36:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-12 19:36:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:36:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 19:36:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,704 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-12 19:36:08,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:08,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519361227] [2024-10-12 19:36:08,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519361227] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:36:08,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285475092] [2024-10-12 19:36:08,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:08,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:36:08,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:36:08,707 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) [2024-10-12 19:36:08,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-12 19:36:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:08,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-12 19:36:08,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:36:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-12 19:36:09,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 19:36:09,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285475092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:09,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 19:36:09,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-12 19:36:09,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011234901] [2024-10-12 19:36:09,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:09,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 19:36:09,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:09,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 19:36:09,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-12 19:36:09,047 INFO L87 Difference]: Start difference. First operand 445 states and 696 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-12 19:36:09,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:09,164 INFO L93 Difference]: Finished difference Result 883 states and 1385 transitions. [2024-10-12 19:36:09,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 19:36:09,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 112 [2024-10-12 19:36:09,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:09,169 INFO L225 Difference]: With dead ends: 883 [2024-10-12 19:36:09,170 INFO L226 Difference]: Without dead ends: 447 [2024-10-12 19:36:09,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-12 19:36:09,172 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 2 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2227 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:09,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2227 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 19:36:09,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-10-12 19:36:09,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2024-10-12 19:36:09,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 339 states have (on average 1.59882005899705) internal successors, (542), 345 states have internal predecessors, (542), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2024-10-12 19:36:09,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 702 transitions. [2024-10-12 19:36:09,199 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 702 transitions. Word has length 112 [2024-10-12 19:36:09,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:09,199 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 702 transitions. [2024-10-12 19:36:09,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-12 19:36:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 702 transitions. [2024-10-12 19:36:09,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-12 19:36:09,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:09,203 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:09,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-12 19:36:09,404 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 [2024-10-12 19:36:09,404 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:09,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:09,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1117485236, now seen corresponding path program 1 times [2024-10-12 19:36:09,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:09,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983669075] [2024-10-12 19:36:09,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:09,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-12 19:36:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 19:36:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-12 19:36:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-12 19:36:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-12 19:36:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 19:36:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 19:36:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-12 19:36:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 19:36:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-12 19:36:09,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:09,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983669075] [2024-10-12 19:36:09,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983669075] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:09,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:09,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 19:36:09,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539392182] [2024-10-12 19:36:09,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:09,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 19:36:09,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:09,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 19:36:09,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:36:09,658 INFO L87 Difference]: Start difference. First operand 447 states and 702 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-12 19:36:11,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:11,803 INFO L93 Difference]: Finished difference Result 964 states and 1536 transitions. [2024-10-12 19:36:11,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 19:36:11,803 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 113 [2024-10-12 19:36:11,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:11,808 INFO L225 Difference]: With dead ends: 964 [2024-10-12 19:36:11,808 INFO L226 Difference]: Without dead ends: 536 [2024-10-12 19:36:11,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-12 19:36:11,811 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1339 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1340 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 2835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:11,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 1149 Invalid, 2835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-12 19:36:11,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-10-12 19:36:11,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 447. [2024-10-12 19:36:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 339 states have (on average 1.59882005899705) internal successors, (542), 345 states have internal predecessors, (542), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (82), 75 states have call predecessors, (82), 76 states have call successors, (82) [2024-10-12 19:36:11,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 701 transitions. [2024-10-12 19:36:11,852 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 701 transitions. Word has length 113 [2024-10-12 19:36:11,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:11,852 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 701 transitions. [2024-10-12 19:36:11,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-12 19:36:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 701 transitions. [2024-10-12 19:36:11,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-12 19:36:11,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:11,856 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:11,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 19:36:11,856 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:11,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:11,857 INFO L85 PathProgramCache]: Analyzing trace with hash 528773749, now seen corresponding path program 2 times [2024-10-12 19:36:11,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:11,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16013453] [2024-10-12 19:36:11,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:11,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-12 19:36:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-12 19:36:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 19:36:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-12 19:36:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 19:36:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:36:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-12 19:36:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 19:36:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-12 19:36:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-12 19:36:12,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:12,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16013453] [2024-10-12 19:36:12,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16013453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:12,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:12,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 19:36:12,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114614340] [2024-10-12 19:36:12,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:12,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 19:36:12,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:12,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 19:36:12,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-12 19:36:12,092 INFO L87 Difference]: Start difference. First operand 447 states and 701 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-12 19:36:13,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:13,936 INFO L93 Difference]: Finished difference Result 966 states and 1539 transitions. [2024-10-12 19:36:13,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 19:36:13,936 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 114 [2024-10-12 19:36:13,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:13,941 INFO L225 Difference]: With dead ends: 966 [2024-10-12 19:36:13,941 INFO L226 Difference]: Without dead ends: 538 [2024-10-12 19:36:13,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-12 19:36:13,944 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1317 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2435 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 2898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 2435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:13,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 1151 Invalid, 2898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [463 Valid, 2435 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-12 19:36:13,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-12 19:36:13,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 449. [2024-10-12 19:36:13,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 340 states have (on average 1.5970588235294119) internal successors, (543), 347 states have internal predecessors, (543), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (84), 75 states have call predecessors, (84), 76 states have call successors, (84) [2024-10-12 19:36:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 704 transitions. [2024-10-12 19:36:13,980 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 704 transitions. Word has length 114 [2024-10-12 19:36:13,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:13,980 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 704 transitions. [2024-10-12 19:36:13,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-12 19:36:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 704 transitions. [2024-10-12 19:36:13,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-12 19:36:13,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:13,983 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:13,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 19:36:13,983 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:13,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:13,984 INFO L85 PathProgramCache]: Analyzing trace with hash 623243673, now seen corresponding path program 1 times [2024-10-12 19:36:13,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:13,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087866860] [2024-10-12 19:36:13,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:13,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-12 19:36:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-12 19:36:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 19:36:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-12 19:36:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:36:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 19:36:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-12 19:36:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-12 19:36:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:14,254 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-12 19:36:14,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:14,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087866860] [2024-10-12 19:36:14,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087866860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:14,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:14,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-12 19:36:14,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939676296] [2024-10-12 19:36:14,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:14,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 19:36:14,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:14,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 19:36:14,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:36:14,258 INFO L87 Difference]: Start difference. First operand 449 states and 704 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-12 19:36:17,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:17,091 INFO L93 Difference]: Finished difference Result 964 states and 1534 transitions. [2024-10-12 19:36:17,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 19:36:17,092 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 115 [2024-10-12 19:36:17,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:17,096 INFO L225 Difference]: With dead ends: 964 [2024-10-12 19:36:17,096 INFO L226 Difference]: Without dead ends: 538 [2024-10-12 19:36:17,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-12 19:36:17,098 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1332 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 4127 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 4573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 4127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:17,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 1598 Invalid, 4573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 4127 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-12 19:36:17,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-12 19:36:17,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 449. [2024-10-12 19:36:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 340 states have (on average 1.5970588235294119) internal successors, (543), 347 states have internal predecessors, (543), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2024-10-12 19:36:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 703 transitions. [2024-10-12 19:36:17,133 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 703 transitions. Word has length 115 [2024-10-12 19:36:17,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:17,133 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 703 transitions. [2024-10-12 19:36:17,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-12 19:36:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 703 transitions. [2024-10-12 19:36:17,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-12 19:36:17,137 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:17,137 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:17,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 19:36:17,138 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:17,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:17,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1012639627, now seen corresponding path program 2 times [2024-10-12 19:36:17,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:17,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324258368] [2024-10-12 19:36:17,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:17,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-12 19:36:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-12 19:36:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:36:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 19:36:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:36:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:36:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 19:36:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-12 19:36:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-12 19:36:17,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:17,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324258368] [2024-10-12 19:36:17,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324258368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:17,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:17,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-12 19:36:17,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107074858] [2024-10-12 19:36:17,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:17,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 19:36:17,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:17,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 19:36:17,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-12 19:36:17,419 INFO L87 Difference]: Start difference. First operand 449 states and 703 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-12 19:36:20,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:20,138 INFO L93 Difference]: Finished difference Result 966 states and 1540 transitions. [2024-10-12 19:36:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 19:36:20,139 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 116 [2024-10-12 19:36:20,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:20,144 INFO L225 Difference]: With dead ends: 966 [2024-10-12 19:36:20,144 INFO L226 Difference]: Without dead ends: 540 [2024-10-12 19:36:20,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-12 19:36:20,147 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1303 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 4213 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 4654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 4213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:20,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1304 Valid, 1598 Invalid, 4654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 4213 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-12 19:36:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-12 19:36:20,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 451. [2024-10-12 19:36:20,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 341 states have (on average 1.595307917888563) internal successors, (544), 349 states have internal predecessors, (544), 77 states have call successors, (77), 28 states have call predecessors, (77), 32 states have return successors, (88), 75 states have call predecessors, (88), 76 states have call successors, (88) [2024-10-12 19:36:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 709 transitions. [2024-10-12 19:36:20,183 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 709 transitions. Word has length 116 [2024-10-12 19:36:20,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:20,184 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 709 transitions. [2024-10-12 19:36:20,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-12 19:36:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 709 transitions. [2024-10-12 19:36:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-12 19:36:20,187 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:20,187 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:20,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-12 19:36:20,187 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:20,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:20,188 INFO L85 PathProgramCache]: Analyzing trace with hash -117750370, now seen corresponding path program 1 times [2024-10-12 19:36:20,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:20,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732153763] [2024-10-12 19:36:20,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:20,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 19:36:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-12 19:36:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:36:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:36:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 19:36:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:36:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 19:36:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 19:36:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:20,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:20,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732153763] [2024-10-12 19:36:20,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732153763] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 19:36:20,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168135042] [2024-10-12 19:36:20,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:20,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 19:36:20,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:36:20,400 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) [2024-10-12 19:36:20,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-12 19:36:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:20,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 19:36:20,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 19:36:20,725 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:20,725 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 19:36:20,825 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:20,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168135042] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 19:36:20,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 19:36:20,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-10-12 19:36:20,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864687550] [2024-10-12 19:36:20,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 19:36:20,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-12 19:36:20,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:20,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-12 19:36:20,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-12 19:36:20,830 INFO L87 Difference]: Start difference. First operand 451 states and 709 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-12 19:36:22,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:22,675 INFO L93 Difference]: Finished difference Result 1140 states and 1896 transitions. [2024-10-12 19:36:22,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 19:36:22,675 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 117 [2024-10-12 19:36:22,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:22,682 INFO L225 Difference]: With dead ends: 1140 [2024-10-12 19:36:22,683 INFO L226 Difference]: Without dead ends: 940 [2024-10-12 19:36:22,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-12 19:36:22,685 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1818 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:22,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 1423 Invalid, 2634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 1986 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-12 19:36:22,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-10-12 19:36:22,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 836. [2024-10-12 19:36:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 647 states have (on average 1.6522411128284389) internal successors, (1069), 655 states have internal predecessors, (1069), 156 states have call successors, (156), 28 states have call predecessors, (156), 32 states have return successors, (177), 154 states have call predecessors, (177), 155 states have call successors, (177) [2024-10-12 19:36:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1402 transitions. [2024-10-12 19:36:22,738 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1402 transitions. Word has length 117 [2024-10-12 19:36:22,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:22,739 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1402 transitions. [2024-10-12 19:36:22,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-12 19:36:22,740 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1402 transitions. [2024-10-12 19:36:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-12 19:36:22,745 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:22,745 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:22,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-12 19:36:22,945 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 [2024-10-12 19:36:22,946 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:22,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:22,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1323601787, now seen corresponding path program 1 times [2024-10-12 19:36:22,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:22,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499194567] [2024-10-12 19:36:22,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:22,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-12 19:36:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 19:36:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-12 19:36:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:36:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:36:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:36:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-12 19:36:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-12 19:36:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:23,070 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:23,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:23,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499194567] [2024-10-12 19:36:23,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499194567] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:23,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:23,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:36:23,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926465916] [2024-10-12 19:36:23,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:23,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:36:23,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:23,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:36:23,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:36:23,074 INFO L87 Difference]: Start difference. First operand 836 states and 1402 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:24,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:24,485 INFO L93 Difference]: Finished difference Result 2088 states and 3591 transitions. [2024-10-12 19:36:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:36:24,486 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2024-10-12 19:36:24,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:24,496 INFO L225 Difference]: With dead ends: 2088 [2024-10-12 19:36:24,496 INFO L226 Difference]: Without dead ends: 1312 [2024-10-12 19:36:24,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:36:24,502 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1440 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:24,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 874 Invalid, 1881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-12 19:36:24,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2024-10-12 19:36:24,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1218. [2024-10-12 19:36:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 950 states have (on average 1.6642105263157896) internal successors, (1581), 958 states have internal predecessors, (1581), 235 states have call successors, (235), 28 states have call predecessors, (235), 32 states have return successors, (266), 233 states have call predecessors, (266), 234 states have call successors, (266) [2024-10-12 19:36:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 2082 transitions. [2024-10-12 19:36:24,569 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 2082 transitions. Word has length 123 [2024-10-12 19:36:24,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:24,570 INFO L471 AbstractCegarLoop]: Abstraction has 1218 states and 2082 transitions. [2024-10-12 19:36:24,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:24,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 2082 transitions. [2024-10-12 19:36:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-12 19:36:24,577 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:24,577 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:24,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-12 19:36:24,578 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:24,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:24,578 INFO L85 PathProgramCache]: Analyzing trace with hash -942710281, now seen corresponding path program 1 times [2024-10-12 19:36:24,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:24,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733831736] [2024-10-12 19:36:24,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:24,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-12 19:36:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:36:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 19:36:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:36:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-12 19:36:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-12 19:36:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 19:36:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-12 19:36:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:24,690 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:24,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:24,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733831736] [2024-10-12 19:36:24,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733831736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:24,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:24,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:36:24,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450830994] [2024-10-12 19:36:24,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:24,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:36:24,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:24,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:36:24,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:36:24,692 INFO L87 Difference]: Start difference. First operand 1218 states and 2082 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:26,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:26,006 INFO L93 Difference]: Finished difference Result 3019 states and 5247 transitions. [2024-10-12 19:36:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:36:26,006 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2024-10-12 19:36:26,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:26,019 INFO L225 Difference]: With dead ends: 3019 [2024-10-12 19:36:26,019 INFO L226 Difference]: Without dead ends: 1911 [2024-10-12 19:36:26,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:36:26,025 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1457 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:26,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 844 Invalid, 1874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [527 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 19:36:26,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2024-10-12 19:36:26,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1817. [2024-10-12 19:36:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1817 states, 1430 states have (on average 1.672027972027972) internal successors, (2391), 1438 states have internal predecessors, (2391), 354 states have call successors, (354), 28 states have call predecessors, (354), 32 states have return successors, (385), 352 states have call predecessors, (385), 353 states have call successors, (385) [2024-10-12 19:36:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 3130 transitions. [2024-10-12 19:36:26,124 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 3130 transitions. Word has length 124 [2024-10-12 19:36:26,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:26,124 INFO L471 AbstractCegarLoop]: Abstraction has 1817 states and 3130 transitions. [2024-10-12 19:36:26,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3130 transitions. [2024-10-12 19:36:26,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-12 19:36:26,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:26,167 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:26,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-12 19:36:26,167 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:26,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:26,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1754756643, now seen corresponding path program 1 times [2024-10-12 19:36:26,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:26,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959191757] [2024-10-12 19:36:26,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:26,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 19:36:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:36:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:36:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:36:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 19:36:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 19:36:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-12 19:36:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-12 19:36:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:26,312 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:26,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:26,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959191757] [2024-10-12 19:36:26,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959191757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:26,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:26,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:36:26,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780635408] [2024-10-12 19:36:26,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:26,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:36:26,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:26,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:36:26,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:36:26,315 INFO L87 Difference]: Start difference. First operand 1817 states and 3130 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:27,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:27,691 INFO L93 Difference]: Finished difference Result 4415 states and 7752 transitions. [2024-10-12 19:36:27,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:36:27,692 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-10-12 19:36:27,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:27,711 INFO L225 Difference]: With dead ends: 4415 [2024-10-12 19:36:27,711 INFO L226 Difference]: Without dead ends: 2828 [2024-10-12 19:36:27,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:36:27,719 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1451 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1470 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:27,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1470 Valid, 841 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 19:36:27,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2024-10-12 19:36:27,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2734. [2024-10-12 19:36:27,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2734 states, 2185 states have (on average 1.6787185354691077) internal successors, (3668), 2193 states have internal predecessors, (3668), 516 states have call successors, (516), 28 states have call predecessors, (516), 32 states have return successors, (563), 514 states have call predecessors, (563), 515 states have call successors, (563) [2024-10-12 19:36:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 4747 transitions. [2024-10-12 19:36:27,893 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 4747 transitions. Word has length 125 [2024-10-12 19:36:27,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:27,894 INFO L471 AbstractCegarLoop]: Abstraction has 2734 states and 4747 transitions. [2024-10-12 19:36:27,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 4747 transitions. [2024-10-12 19:36:27,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-12 19:36:27,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:27,911 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:27,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-12 19:36:27,911 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:27,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:27,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1466126296, now seen corresponding path program 1 times [2024-10-12 19:36:27,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:27,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971276916] [2024-10-12 19:36:27,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:27,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:27,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:27,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:27,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:27,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:27,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:27,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:28,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-12 19:36:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:28,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:36:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:28,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-12 19:36:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:28,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 19:36:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:28,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-12 19:36:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:28,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-12 19:36:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:28,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-12 19:36:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:28,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-12 19:36:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:28,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:28,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971276916] [2024-10-12 19:36:28,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971276916] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:28,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:28,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:36:28,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460673685] [2024-10-12 19:36:28,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:28,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:36:28,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:28,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:36:28,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:36:28,036 INFO L87 Difference]: Start difference. First operand 2734 states and 4747 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:29,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:29,383 INFO L93 Difference]: Finished difference Result 6615 states and 11712 transitions. [2024-10-12 19:36:29,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:36:29,383 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2024-10-12 19:36:29,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:29,410 INFO L225 Difference]: With dead ends: 6615 [2024-10-12 19:36:29,410 INFO L226 Difference]: Without dead ends: 4308 [2024-10-12 19:36:29,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:36:29,419 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1438 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:29,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1458 Valid, 841 Invalid, 1848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 1317 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 19:36:29,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4308 states. [2024-10-12 19:36:29,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 4214. [2024-10-12 19:36:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4214 states, 3420 states have (on average 1.683625730994152) internal successors, (5758), 3428 states have internal predecessors, (5758), 761 states have call successors, (761), 28 states have call predecessors, (761), 32 states have return successors, (834), 759 states have call predecessors, (834), 760 states have call successors, (834) [2024-10-12 19:36:29,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4214 states to 4214 states and 7353 transitions. [2024-10-12 19:36:29,619 INFO L78 Accepts]: Start accepts. Automaton has 4214 states and 7353 transitions. Word has length 126 [2024-10-12 19:36:29,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:29,619 INFO L471 AbstractCegarLoop]: Abstraction has 4214 states and 7353 transitions. [2024-10-12 19:36:29,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:29,620 INFO L276 IsEmpty]: Start isEmpty. Operand 4214 states and 7353 transitions. [2024-10-12 19:36:29,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-12 19:36:29,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:29,637 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:29,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-12 19:36:29,637 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:29,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:29,638 INFO L85 PathProgramCache]: Analyzing trace with hash -211674279, now seen corresponding path program 1 times [2024-10-12 19:36:29,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:29,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131084446] [2024-10-12 19:36:29,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:29,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-12 19:36:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:36:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-12 19:36:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-12 19:36:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 19:36:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 19:36:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-12 19:36:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-12 19:36:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:29,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:29,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131084446] [2024-10-12 19:36:29,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131084446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:29,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:29,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:36:29,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853075578] [2024-10-12 19:36:29,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:29,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:36:29,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:29,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:36:29,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:36:29,763 INFO L87 Difference]: Start difference. First operand 4214 states and 7353 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:31,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:31,288 INFO L93 Difference]: Finished difference Result 10544 states and 18737 transitions. [2024-10-12 19:36:31,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:36:31,289 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 127 [2024-10-12 19:36:31,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:31,332 INFO L225 Difference]: With dead ends: 10544 [2024-10-12 19:36:31,332 INFO L226 Difference]: Without dead ends: 6980 [2024-10-12 19:36:31,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:36:31,351 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1425 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 522 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:31,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 871 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [522 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-12 19:36:31,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6980 states. [2024-10-12 19:36:31,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6980 to 6886. [2024-10-12 19:36:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6886 states, 5599 states have (on average 1.6792284336488659) internal successors, (9402), 5607 states have internal predecessors, (9402), 1254 states have call successors, (1254), 28 states have call predecessors, (1254), 32 states have return successors, (1371), 1252 states have call predecessors, (1371), 1253 states have call successors, (1371) [2024-10-12 19:36:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6886 states to 6886 states and 12027 transitions. [2024-10-12 19:36:31,691 INFO L78 Accepts]: Start accepts. Automaton has 6886 states and 12027 transitions. Word has length 127 [2024-10-12 19:36:31,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:31,692 INFO L471 AbstractCegarLoop]: Abstraction has 6886 states and 12027 transitions. [2024-10-12 19:36:31,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:31,693 INFO L276 IsEmpty]: Start isEmpty. Operand 6886 states and 12027 transitions. [2024-10-12 19:36:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-12 19:36:31,719 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:31,719 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:31,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-12 19:36:31,720 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:31,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:31,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1603585444, now seen corresponding path program 1 times [2024-10-12 19:36:31,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:31,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755479233] [2024-10-12 19:36:31,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:31,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 19:36:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:36:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-12 19:36:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 19:36:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 19:36:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 19:36:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-12 19:36:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-12 19:36:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:31,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:31,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755479233] [2024-10-12 19:36:31,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755479233] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:31,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:31,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:36:31,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957530397] [2024-10-12 19:36:31,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:31,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:36:31,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:31,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:36:31,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:36:31,854 INFO L87 Difference]: Start difference. First operand 6886 states and 12027 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:33,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:33,339 INFO L93 Difference]: Finished difference Result 17523 states and 31148 transitions. [2024-10-12 19:36:33,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:36:33,340 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-10-12 19:36:33,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:33,406 INFO L225 Difference]: With dead ends: 17523 [2024-10-12 19:36:33,406 INFO L226 Difference]: Without dead ends: 11653 [2024-10-12 19:36:33,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:36:33,438 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1448 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 1842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:33,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 849 Invalid, 1842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 19:36:33,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11653 states. [2024-10-12 19:36:33,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11653 to 11559. [2024-10-12 19:36:33,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11559 states, 9450 states have (on average 1.6792592592592592) internal successors, (15869), 9458 states have internal predecessors, (15869), 2076 states have call successors, (2076), 28 states have call predecessors, (2076), 32 states have return successors, (2271), 2074 states have call predecessors, (2271), 2075 states have call successors, (2271) [2024-10-12 19:36:33,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11559 states to 11559 states and 20216 transitions. [2024-10-12 19:36:33,972 INFO L78 Accepts]: Start accepts. Automaton has 11559 states and 20216 transitions. Word has length 128 [2024-10-12 19:36:33,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:33,973 INFO L471 AbstractCegarLoop]: Abstraction has 11559 states and 20216 transitions. [2024-10-12 19:36:33,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand 11559 states and 20216 transitions. [2024-10-12 19:36:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-12 19:36:34,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:34,020 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:34,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-12 19:36:34,021 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:34,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:34,021 INFO L85 PathProgramCache]: Analyzing trace with hash 845965211, now seen corresponding path program 1 times [2024-10-12 19:36:34,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:34,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031646856] [2024-10-12 19:36:34,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:34,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 19:36:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-12 19:36:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-12 19:36:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-12 19:36:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 19:36:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 19:36:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-12 19:36:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-12 19:36:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:34,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:34,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031646856] [2024-10-12 19:36:34,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031646856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:34,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:34,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:36:34,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280274104] [2024-10-12 19:36:34,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:34,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:36:34,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:34,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:36:34,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:36:34,194 INFO L87 Difference]: Start difference. First operand 11559 states and 20216 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:35,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:35,824 INFO L93 Difference]: Finished difference Result 27649 states and 48966 transitions. [2024-10-12 19:36:35,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:36:35,824 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2024-10-12 19:36:35,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:35,906 INFO L225 Difference]: With dead ends: 27649 [2024-10-12 19:36:35,907 INFO L226 Difference]: Without dead ends: 18037 [2024-10-12 19:36:35,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:36:35,949 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1429 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 529 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:35,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 818 Invalid, 1866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [529 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-12 19:36:35,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18037 states. [2024-10-12 19:36:36,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18037 to 17943. [2024-10-12 19:36:36,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17943 states, 14631 states have (on average 1.6557993301893241) internal successors, (24226), 14639 states have internal predecessors, (24226), 3279 states have call successors, (3279), 28 states have call predecessors, (3279), 32 states have return successors, (3618), 3277 states have call predecessors, (3618), 3278 states have call successors, (3618) [2024-10-12 19:36:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17943 states to 17943 states and 31123 transitions. [2024-10-12 19:36:36,860 INFO L78 Accepts]: Start accepts. Automaton has 17943 states and 31123 transitions. Word has length 129 [2024-10-12 19:36:36,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:36,861 INFO L471 AbstractCegarLoop]: Abstraction has 17943 states and 31123 transitions. [2024-10-12 19:36:36,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:36,861 INFO L276 IsEmpty]: Start isEmpty. Operand 17943 states and 31123 transitions. [2024-10-12 19:36:36,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-12 19:36:36,893 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:36,893 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:36,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-12 19:36:36,893 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:36,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:36,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1570737117, now seen corresponding path program 1 times [2024-10-12 19:36:36,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:36,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850624106] [2024-10-12 19:36:36,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:36,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:36,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:36,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:36,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:36,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:36,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:36,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:36,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-12 19:36:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:37,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 19:36:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:37,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 19:36:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:37,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 19:36:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:37,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-12 19:36:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:37,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 19:36:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:37,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-12 19:36:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:37,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-12 19:36:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:37,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:37,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:37,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850624106] [2024-10-12 19:36:37,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850624106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:37,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:37,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:36:37,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980825551] [2024-10-12 19:36:37,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:37,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:36:37,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:37,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:36:37,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:36:37,016 INFO L87 Difference]: Start difference. First operand 17943 states and 31123 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:38,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:38,858 INFO L93 Difference]: Finished difference Result 47474 states and 83873 transitions. [2024-10-12 19:36:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:36:38,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-10-12 19:36:38,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:39,008 INFO L225 Difference]: With dead ends: 47474 [2024-10-12 19:36:39,008 INFO L226 Difference]: Without dead ends: 32070 [2024-10-12 19:36:39,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:36:39,068 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 1428 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:39,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 843 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-12 19:36:39,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32070 states. [2024-10-12 19:36:40,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32070 to 31976. [2024-10-12 19:36:40,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31976 states, 26214 states have (on average 1.6529335469596398) internal successors, (43330), 26222 states have internal predecessors, (43330), 5729 states have call successors, (5729), 28 states have call predecessors, (5729), 32 states have return successors, (6342), 5727 states have call predecessors, (6342), 5728 states have call successors, (6342) [2024-10-12 19:36:40,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31976 states to 31976 states and 55401 transitions. [2024-10-12 19:36:40,687 INFO L78 Accepts]: Start accepts. Automaton has 31976 states and 55401 transitions. Word has length 130 [2024-10-12 19:36:40,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:40,689 INFO L471 AbstractCegarLoop]: Abstraction has 31976 states and 55401 transitions. [2024-10-12 19:36:40,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 31976 states and 55401 transitions. [2024-10-12 19:36:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-12 19:36:40,732 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:40,732 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:40,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-12 19:36:40,733 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:40,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:40,733 INFO L85 PathProgramCache]: Analyzing trace with hash 585111797, now seen corresponding path program 1 times [2024-10-12 19:36:40,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:40,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677192655] [2024-10-12 19:36:40,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:40,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 19:36:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-12 19:36:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-12 19:36:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 19:36:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 19:36:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 19:36:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-12 19:36:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-12 19:36:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:40,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:40,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677192655] [2024-10-12 19:36:40,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677192655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:40,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:40,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:36:40,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962775918] [2024-10-12 19:36:40,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:40,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:36:40,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:40,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:36:40,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:36:40,862 INFO L87 Difference]: Start difference. First operand 31976 states and 55401 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:43,830 INFO L93 Difference]: Finished difference Result 87196 states and 153332 transitions. [2024-10-12 19:36:43,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:36:43,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-10-12 19:36:43,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:44,168 INFO L225 Difference]: With dead ends: 87196 [2024-10-12 19:36:44,168 INFO L226 Difference]: Without dead ends: 58618 [2024-10-12 19:36:44,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:36:44,246 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1452 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1472 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:44,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1472 Valid, 844 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [544 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-12 19:36:44,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58618 states. [2024-10-12 19:36:46,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58618 to 58524. [2024-10-12 19:36:46,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58524 states, 48249 states have (on average 1.6490289954195942) internal successors, (79564), 48257 states have internal predecessors, (79564), 10242 states have call successors, (10242), 28 states have call predecessors, (10242), 32 states have return successors, (11387), 10240 states have call predecessors, (11387), 10241 states have call successors, (11387) [2024-10-12 19:36:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58524 states to 58524 states and 101193 transitions. [2024-10-12 19:36:47,257 INFO L78 Accepts]: Start accepts. Automaton has 58524 states and 101193 transitions. Word has length 131 [2024-10-12 19:36:47,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:47,257 INFO L471 AbstractCegarLoop]: Abstraction has 58524 states and 101193 transitions. [2024-10-12 19:36:47,258 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:47,258 INFO L276 IsEmpty]: Start isEmpty. Operand 58524 states and 101193 transitions. [2024-10-12 19:36:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-12 19:36:47,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:47,329 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:47,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-12 19:36:47,329 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:47,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:47,329 INFO L85 PathProgramCache]: Analyzing trace with hash 647904573, now seen corresponding path program 1 times [2024-10-12 19:36:47,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:47,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034129059] [2024-10-12 19:36:47,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:47,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 19:36:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 19:36:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 19:36:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 19:36:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-12 19:36:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-12 19:36:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-12 19:36:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-12 19:36:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:47,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:47,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034129059] [2024-10-12 19:36:47,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034129059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:47,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:47,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 19:36:47,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799934272] [2024-10-12 19:36:47,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:47,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 19:36:47,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:47,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 19:36:47,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 19:36:47,472 INFO L87 Difference]: Start difference. First operand 58524 states and 101193 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:51,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:36:51,205 INFO L93 Difference]: Finished difference Result 109520 states and 193143 transitions. [2024-10-12 19:36:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 19:36:51,206 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-10-12 19:36:51,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:36:51,795 INFO L225 Difference]: With dead ends: 109520 [2024-10-12 19:36:51,796 INFO L226 Difference]: Without dead ends: 109320 [2024-10-12 19:36:51,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-12 19:36:51,847 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1409 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1426 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-12 19:36:51,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1426 Valid, 857 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-12 19:36:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109320 states. [2024-10-12 19:36:55,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109320 to 109226. [2024-10-12 19:36:55,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109226 states, 90583 states have (on average 1.6439618913041079) internal successors, (148915), 90591 states have internal predecessors, (148915), 18610 states have call successors, (18610), 28 states have call predecessors, (18610), 32 states have return successors, (20801), 18608 states have call predecessors, (20801), 18609 states have call successors, (20801) [2024-10-12 19:36:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109226 states to 109226 states and 188326 transitions. [2024-10-12 19:36:56,495 INFO L78 Accepts]: Start accepts. Automaton has 109226 states and 188326 transitions. Word has length 132 [2024-10-12 19:36:56,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:36:56,504 INFO L471 AbstractCegarLoop]: Abstraction has 109226 states and 188326 transitions. [2024-10-12 19:36:56,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-12 19:36:56,504 INFO L276 IsEmpty]: Start isEmpty. Operand 109226 states and 188326 transitions. [2024-10-12 19:36:56,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-12 19:36:56,602 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:36:56,602 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:36:56,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-12 19:36:56,603 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:36:56,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:36:56,604 INFO L85 PathProgramCache]: Analyzing trace with hash 387597300, now seen corresponding path program 1 times [2024-10-12 19:36:56,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:36:56,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015394207] [2024-10-12 19:36:56,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:36:56,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:36:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 19:36:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-12 19:36:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 19:36:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 19:36:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 19:36:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 19:36:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-12 19:36:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-12 19:36:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 19:36:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-12 19:36:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 19:36:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-12 19:36:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-12 19:36:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-12 19:36:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:36:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-12 19:36:57,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:36:57,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015394207] [2024-10-12 19:36:57,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015394207] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:36:57,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:36:57,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-12 19:36:57,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883260866] [2024-10-12 19:36:57,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:36:57,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-12 19:36:57,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:36:57,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-12 19:36:57,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-10-12 19:36:57,275 INFO L87 Difference]: Start difference. First operand 109226 states and 188326 transitions. Second operand has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-12 19:37:08,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:37:08,631 INFO L93 Difference]: Finished difference Result 218060 states and 387944 transitions. [2024-10-12 19:37:08,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-12 19:37:08,632 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 133 [2024-10-12 19:37:08,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:37:09,745 INFO L225 Difference]: With dead ends: 218060 [2024-10-12 19:37:09,745 INFO L226 Difference]: Without dead ends: 217865 [2024-10-12 19:37:09,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1270 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=803, Invalid=3487, Unknown=0, NotChecked=0, Total=4290 [2024-10-12 19:37:09,849 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 4441 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 8485 mSolverCounterSat, 1613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4455 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 10098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1613 IncrementalHoareTripleChecker+Valid, 8485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-10-12 19:37:09,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4455 Valid, 2954 Invalid, 10098 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1613 Valid, 8485 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-10-12 19:37:10,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217865 states.