./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec8_product21.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 8cc51a90eddcdd1da62e020cc4e0c6e4b67a610d36952c31f8c5cbe15c29949c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 03:57:14,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 03:57:14,414 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 03:57:14,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 03:57:14,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 03:57:14,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 03:57:14,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 03:57:14,435 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 03:57:14,436 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 03:57:14,436 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 03:57:14,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 03:57:14,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 03:57:14,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 03:57:14,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 03:57:14,436 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 03:57:14,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 03:57:14,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 03:57:14,436 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 03:57:14,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 03:57:14,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 03:57:14,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 03:57:14,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 03:57:14,437 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:57:14,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:57:14,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 03:57:14,437 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 03:57:14,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 03:57:14,441 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 03:57:14,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 03:57:14,442 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 03:57:14,442 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 03:57:14,442 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 03:57:14,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 03:57:14,442 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 8cc51a90eddcdd1da62e020cc4e0c6e4b67a610d36952c31f8c5cbe15c29949c [2025-01-09 03:57:14,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 03:57:14,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 03:57:14,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 03:57:14,623 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 03:57:14,623 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 03:57:14,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product21.cil.c [2025-01-09 03:57:15,799 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a92f18ac/642c30b277f94054a06f87eb42be9a5e/FLAG8345dda3c [2025-01-09 03:57:16,113 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 03:57:16,114 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product21.cil.c [2025-01-09 03:57:16,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a92f18ac/642c30b277f94054a06f87eb42be9a5e/FLAG8345dda3c [2025-01-09 03:57:16,147 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a92f18ac/642c30b277f94054a06f87eb42be9a5e [2025-01-09 03:57:16,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 03:57:16,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 03:57:16,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 03:57:16,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 03:57:16,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 03:57:16,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afb79a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16, skipping insertion in model container [2025-01-09 03:57:16,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 03:57:16,444 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product21.cil.c[15456,15469] [2025-01-09 03:57:16,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:57:16,610 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 03:57:16,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2025-01-09 03:57:16,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [380] [2025-01-09 03:57:16,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [492] [2025-01-09 03:57:16,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [810] [2025-01-09 03:57:16,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] [2025-01-09 03:57:16,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1038] [2025-01-09 03:57:16,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [1404] [2025-01-09 03:57:16,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1446] [2025-01-09 03:57:16,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2508] [2025-01-09 03:57:16,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2543] [2025-01-09 03:57:16,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2946] [2025-01-09 03:57:16,657 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product21.cil.c[15456,15469] [2025-01-09 03:57:16,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:57:16,754 INFO L204 MainTranslator]: Completed translation [2025-01-09 03:57:16,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16 WrapperNode [2025-01-09 03:57:16,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 03:57:16,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 03:57:16,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 03:57:16,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 03:57:16,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,816 INFO L138 Inliner]: procedures = 129, calls = 200, calls flagged for inlining = 58, calls inlined = 55, statements flattened = 1074 [2025-01-09 03:57:16,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 03:57:16,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 03:57:16,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 03:57:16,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 03:57:16,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,860 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]. [2025-01-09 03:57:16,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,873 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 03:57:16,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 03:57:16,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 03:57:16,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 03:57:16,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (1/1) ... [2025-01-09 03:57:16,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:57:16,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:57:16,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 03:57:16,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 03:57:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-01-09 03:57:16,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-01-09 03:57:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2025-01-09 03:57:16,956 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2025-01-09 03:57:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-01-09 03:57:16,956 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-01-09 03:57:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2025-01-09 03:57:16,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2025-01-09 03:57:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-01-09 03:57:16,957 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-01-09 03:57:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-01-09 03:57:16,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-01-09 03:57:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-01-09 03:57:16,957 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-01-09 03:57:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2025-01-09 03:57:16,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2025-01-09 03:57:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-01-09 03:57:16,958 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-01-09 03:57:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-01-09 03:57:16,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-01-09 03:57:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 03:57:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-01-09 03:57:16,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-01-09 03:57:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-01-09 03:57:16,959 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-01-09 03:57:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-01-09 03:57:16,959 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-01-09 03:57:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-01-09 03:57:16,959 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-01-09 03:57:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2025-01-09 03:57:16,959 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2025-01-09 03:57:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-01-09 03:57:16,961 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-01-09 03:57:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2025-01-09 03:57:16,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2025-01-09 03:57:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-01-09 03:57:16,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-01-09 03:57:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-01-09 03:57:16,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-01-09 03:57:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 03:57:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 03:57:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 03:57:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 03:57:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-01-09 03:57:16,961 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-01-09 03:57:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-01-09 03:57:16,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-01-09 03:57:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 03:57:16,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 03:57:17,127 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 03:57:17,130 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 03:57:17,880 INFO L? ?]: Removed 524 outVars from TransFormulas that were not future-live. [2025-01-09 03:57:17,881 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 03:57:17,891 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 03:57:17,891 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 03:57:17,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:57:17 BoogieIcfgContainer [2025-01-09 03:57:17,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 03:57:17,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 03:57:17,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 03:57:17,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 03:57:17,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:57:16" (1/3) ... [2025-01-09 03:57:17,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbe61cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:57:17, skipping insertion in model container [2025-01-09 03:57:17,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:57:16" (2/3) ... [2025-01-09 03:57:17,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbe61cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:57:17, skipping insertion in model container [2025-01-09 03:57:17,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:57:17" (3/3) ... [2025-01-09 03:57:17,901 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec8_product21.cil.c [2025-01-09 03:57:17,914 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 03:57:17,917 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec8_product21.cil.c that has 22 procedures, 376 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 03:57:17,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 03:57:17,980 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;@1161879e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 03:57:17,980 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 03:57:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 296 states have (on average 1.5675675675675675) internal successors, (464), 301 states have internal predecessors, (464), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2025-01-09 03:57:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-09 03:57:17,995 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:17,995 INFO L218 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] [2025-01-09 03:57:17,996 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:17,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:17,999 INFO L85 PathProgramCache]: Analyzing trace with hash 260336222, now seen corresponding path program 1 times [2025-01-09 03:57:18,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:18,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141740637] [2025-01-09 03:57:18,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:18,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:18,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-09 03:57:18,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-09 03:57:18,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:18,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:18,492 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-09 03:57:18,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:18,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141740637] [2025-01-09 03:57:18,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141740637] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:57:18,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220762027] [2025-01-09 03:57:18,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:18,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:57:18,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:57:18,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:57:18,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 03:57:18,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-09 03:57:18,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-09 03:57:18,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:18,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:18,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 03:57:18,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:57:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-09 03:57:18,858 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:57:18,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220762027] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:18,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:57:18,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-01-09 03:57:18,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695257749] [2025-01-09 03:57:18,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:18,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:18,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:18,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:18,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:57:18,883 INFO L87 Difference]: Start difference. First operand has 376 states, 296 states have (on average 1.5675675675675675) internal successors, (464), 301 states have internal predecessors, (464), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:18,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:18,951 INFO L93 Difference]: Finished difference Result 562 states and 852 transitions. [2025-01-09 03:57:18,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:18,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2025-01-09 03:57:18,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:18,964 INFO L225 Difference]: With dead ends: 562 [2025-01-09 03:57:18,964 INFO L226 Difference]: Without dead ends: 371 [2025-01-09 03:57:18,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:57:18,970 INFO L435 NwaCegarLoop]: 573 mSDtfsCounter, 1 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:18,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1143 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:18,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-01-09 03:57:19,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 370. [2025-01-09 03:57:19,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 291 states have (on average 1.563573883161512) internal successors, (455), 295 states have internal predecessors, (455), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2025-01-09 03:57:19,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 568 transitions. [2025-01-09 03:57:19,037 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 568 transitions. Word has length 98 [2025-01-09 03:57:19,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:19,041 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 568 transitions. [2025-01-09 03:57:19,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:19,042 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 568 transitions. [2025-01-09 03:57:19,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-01-09 03:57:19,049 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:19,050 INFO L218 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] [2025-01-09 03:57:19,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 03:57:19,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 03:57:19,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:19,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:19,255 INFO L85 PathProgramCache]: Analyzing trace with hash 2127052736, now seen corresponding path program 1 times [2025-01-09 03:57:19,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:19,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411806054] [2025-01-09 03:57:19,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:19,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:19,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-09 03:57:19,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-09 03:57:19,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:19,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:19,469 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-09 03:57:19,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:19,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411806054] [2025-01-09 03:57:19,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411806054] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:57:19,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105757415] [2025-01-09 03:57:19,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:19,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:57:19,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:57:19,473 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:57:19,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 03:57:19,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-09 03:57:19,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-09 03:57:19,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:19,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:19,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:57:19,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:57:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-09 03:57:19,758 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:57:19,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105757415] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:19,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:57:19,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-01-09 03:57:19,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395797969] [2025-01-09 03:57:19,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:19,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:19,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:19,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:19,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:57:19,760 INFO L87 Difference]: Start difference. First operand 370 states and 568 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:19,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:19,785 INFO L93 Difference]: Finished difference Result 788 states and 1228 transitions. [2025-01-09 03:57:19,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:19,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2025-01-09 03:57:19,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:19,788 INFO L225 Difference]: With dead ends: 788 [2025-01-09 03:57:19,788 INFO L226 Difference]: Without dead ends: 444 [2025-01-09 03:57:19,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:57:19,791 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 134 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:19,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1103 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:19,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-01-09 03:57:19,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 436. [2025-01-09 03:57:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 343 states have (on average 1.5830903790087463) internal successors, (543), 347 states have internal predecessors, (543), 71 states have call successors, (71), 21 states have call predecessors, (71), 21 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2025-01-09 03:57:19,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 684 transitions. [2025-01-09 03:57:19,810 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 684 transitions. Word has length 103 [2025-01-09 03:57:19,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:19,810 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 684 transitions. [2025-01-09 03:57:19,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 684 transitions. [2025-01-09 03:57:19,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-09 03:57:19,812 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:19,812 INFO L218 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] [2025-01-09 03:57:19,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 03:57:20,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:57:20,016 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:20,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:20,017 INFO L85 PathProgramCache]: Analyzing trace with hash 510161741, now seen corresponding path program 1 times [2025-01-09 03:57:20,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:20,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074772404] [2025-01-09 03:57:20,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:20,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:20,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-09 03:57:20,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-09 03:57:20,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:20,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:20,159 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-09 03:57:20,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:20,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074772404] [2025-01-09 03:57:20,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074772404] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:57:20,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430024255] [2025-01-09 03:57:20,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:20,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:57:20,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:57:20,161 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:57:20,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 03:57:20,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-09 03:57:20,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-09 03:57:20,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:20,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:20,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 03:57:20,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:57:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 03:57:20,411 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:57:20,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430024255] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:20,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:57:20,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-01-09 03:57:20,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204797046] [2025-01-09 03:57:20,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:20,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:57:20,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:20,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:57:20,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:57:20,412 INFO L87 Difference]: Start difference. First operand 436 states and 684 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:20,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:20,455 INFO L93 Difference]: Finished difference Result 863 states and 1358 transitions. [2025-01-09 03:57:20,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:57:20,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 104 [2025-01-09 03:57:20,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:20,458 INFO L225 Difference]: With dead ends: 863 [2025-01-09 03:57:20,458 INFO L226 Difference]: Without dead ends: 438 [2025-01-09 03:57:20,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:57:20,460 INFO L435 NwaCegarLoop]: 559 mSDtfsCounter, 2 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2225 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:20,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2225 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:20,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-01-09 03:57:20,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2025-01-09 03:57:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 344 states have (on average 1.5813953488372092) internal successors, (544), 349 states have internal predecessors, (544), 71 states have call successors, (71), 21 states have call predecessors, (71), 22 states have return successors, (72), 69 states have call predecessors, (72), 70 states have call successors, (72) [2025-01-09 03:57:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 687 transitions. [2025-01-09 03:57:20,475 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 687 transitions. Word has length 104 [2025-01-09 03:57:20,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:20,475 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 687 transitions. [2025-01-09 03:57:20,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 687 transitions. [2025-01-09 03:57:20,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-01-09 03:57:20,476 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:20,476 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 03:57:20,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 03:57:20,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:57:20,677 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:20,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:20,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1795347072, now seen corresponding path program 1 times [2025-01-09 03:57:20,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:20,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478982495] [2025-01-09 03:57:20,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:20,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:20,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-09 03:57:20,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-09 03:57:20,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:20,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-01-09 03:57:20,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:20,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478982495] [2025-01-09 03:57:20,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478982495] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:57:20,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74755891] [2025-01-09 03:57:20,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:20,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:57:20,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:57:20,839 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:57:20,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 03:57:20,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-09 03:57:21,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-09 03:57:21,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:21,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:21,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 03:57:21,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:57:21,119 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 03:57:21,119 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:57:21,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74755891] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:21,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:57:21,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-01-09 03:57:21,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24310720] [2025-01-09 03:57:21,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:21,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:57:21,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:21,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:57:21,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:57:21,122 INFO L87 Difference]: Start difference. First operand 438 states and 687 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:21,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:21,187 INFO L93 Difference]: Finished difference Result 865 states and 1363 transitions. [2025-01-09 03:57:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:57:21,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 105 [2025-01-09 03:57:21,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:21,191 INFO L225 Difference]: With dead ends: 865 [2025-01-09 03:57:21,191 INFO L226 Difference]: Without dead ends: 440 [2025-01-09 03:57:21,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:57:21,195 INFO L435 NwaCegarLoop]: 557 mSDtfsCounter, 2 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:21,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2211 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:21,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-01-09 03:57:21,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2025-01-09 03:57:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 345 states have (on average 1.5797101449275361) internal successors, (545), 351 states have internal predecessors, (545), 71 states have call successors, (71), 21 states have call predecessors, (71), 23 states have return successors, (77), 69 states have call predecessors, (77), 70 states have call successors, (77) [2025-01-09 03:57:21,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 693 transitions. [2025-01-09 03:57:21,221 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 693 transitions. Word has length 105 [2025-01-09 03:57:21,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:21,222 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 693 transitions. [2025-01-09 03:57:21,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 693 transitions. [2025-01-09 03:57:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-09 03:57:21,225 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:21,225 INFO L218 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] [2025-01-09 03:57:21,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 03:57:21,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:57:21,425 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:21,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:21,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1659861366, now seen corresponding path program 1 times [2025-01-09 03:57:21,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:21,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078973806] [2025-01-09 03:57:21,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:21,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:21,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-09 03:57:21,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-09 03:57:21,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:21,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-09 03:57:21,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:21,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078973806] [2025-01-09 03:57:21,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078973806] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:21,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:21,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:57:21,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280014700] [2025-01-09 03:57:21,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:21,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:57:21,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:21,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:57:21,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:57:21,540 INFO L87 Difference]: Start difference. First operand 440 states and 693 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:21,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:21,588 INFO L93 Difference]: Finished difference Result 857 states and 1354 transitions. [2025-01-09 03:57:21,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:57:21,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2025-01-09 03:57:21,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:21,590 INFO L225 Difference]: With dead ends: 857 [2025-01-09 03:57:21,590 INFO L226 Difference]: Without dead ends: 440 [2025-01-09 03:57:21,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:57:21,592 INFO L435 NwaCegarLoop]: 560 mSDtfsCounter, 2 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:21,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2229 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:21,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-01-09 03:57:21,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2025-01-09 03:57:21,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 345 states have (on average 1.5797101449275361) internal successors, (545), 351 states have internal predecessors, (545), 71 states have call successors, (71), 21 states have call predecessors, (71), 23 states have return successors, (76), 69 states have call predecessors, (76), 70 states have call successors, (76) [2025-01-09 03:57:21,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 692 transitions. [2025-01-09 03:57:21,604 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 692 transitions. Word has length 106 [2025-01-09 03:57:21,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:21,604 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 692 transitions. [2025-01-09 03:57:21,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:21,604 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 692 transitions. [2025-01-09 03:57:21,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-09 03:57:21,606 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:21,606 INFO L218 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] [2025-01-09 03:57:21,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 03:57:21,606 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:21,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:21,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1157445089, now seen corresponding path program 2 times [2025-01-09 03:57:21,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:21,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088177523] [2025-01-09 03:57:21,607 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 03:57:21,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:21,620 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 107 statements into 2 equivalence classes. [2025-01-09 03:57:21,628 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 03:57:21,628 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-09 03:57:21,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:21,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-09 03:57:21,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:21,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088177523] [2025-01-09 03:57:21,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088177523] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:21,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:21,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:57:21,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711169411] [2025-01-09 03:57:21,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:21,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:57:21,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:21,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:57:21,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:57:21,737 INFO L87 Difference]: Start difference. First operand 440 states and 692 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:21,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:21,782 INFO L93 Difference]: Finished difference Result 855 states and 1349 transitions. [2025-01-09 03:57:21,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:57:21,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2025-01-09 03:57:21,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:21,785 INFO L225 Difference]: With dead ends: 855 [2025-01-09 03:57:21,786 INFO L226 Difference]: Without dead ends: 440 [2025-01-09 03:57:21,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:57:21,787 INFO L435 NwaCegarLoop]: 558 mSDtfsCounter, 2 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:21,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2215 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:21,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-01-09 03:57:21,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2025-01-09 03:57:21,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 345 states have (on average 1.5797101449275361) internal successors, (545), 351 states have internal predecessors, (545), 71 states have call successors, (71), 21 states have call predecessors, (71), 23 states have return successors, (75), 69 states have call predecessors, (75), 70 states have call successors, (75) [2025-01-09 03:57:21,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 691 transitions. [2025-01-09 03:57:21,802 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 691 transitions. Word has length 107 [2025-01-09 03:57:21,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:21,802 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 691 transitions. [2025-01-09 03:57:21,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 691 transitions. [2025-01-09 03:57:21,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-09 03:57:21,804 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:21,804 INFO L218 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] [2025-01-09 03:57:21,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 03:57:21,804 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:21,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:21,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1021855563, now seen corresponding path program 3 times [2025-01-09 03:57:21,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:21,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954682491] [2025-01-09 03:57:21,805 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-09 03:57:21,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:21,820 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 108 statements into 3 equivalence classes. [2025-01-09 03:57:21,828 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 96 of 108 statements. [2025-01-09 03:57:21,828 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-09 03:57:21,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:21,922 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-09 03:57:21,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:21,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954682491] [2025-01-09 03:57:21,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954682491] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:21,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:21,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:57:21,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594869114] [2025-01-09 03:57:21,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:21,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:57:21,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:21,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:57:21,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:57:21,924 INFO L87 Difference]: Start difference. First operand 440 states and 691 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:21,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:21,967 INFO L93 Difference]: Finished difference Result 857 states and 1355 transitions. [2025-01-09 03:57:21,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:57:21,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2025-01-09 03:57:21,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:21,970 INFO L225 Difference]: With dead ends: 857 [2025-01-09 03:57:21,970 INFO L226 Difference]: Without dead ends: 442 [2025-01-09 03:57:21,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:57:21,972 INFO L435 NwaCegarLoop]: 561 mSDtfsCounter, 1 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2226 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:21,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2226 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:21,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-01-09 03:57:21,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2025-01-09 03:57:21,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 346 states have (on average 1.5780346820809248) internal successors, (546), 353 states have internal predecessors, (546), 71 states have call successors, (71), 21 states have call predecessors, (71), 24 states have return successors, (80), 69 states have call predecessors, (80), 70 states have call successors, (80) [2025-01-09 03:57:21,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 697 transitions. [2025-01-09 03:57:21,985 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 697 transitions. Word has length 108 [2025-01-09 03:57:21,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:21,986 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 697 transitions. [2025-01-09 03:57:21,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:21,986 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 697 transitions. [2025-01-09 03:57:21,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-09 03:57:21,987 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:21,988 INFO L218 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] [2025-01-09 03:57:21,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 03:57:21,988 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:21,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:21,988 INFO L85 PathProgramCache]: Analyzing trace with hash 178264122, now seen corresponding path program 1 times [2025-01-09 03:57:21,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:21,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119515345] [2025-01-09 03:57:21,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:21,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:22,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-09 03:57:22,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-09 03:57:22,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:22,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:22,092 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-09 03:57:22,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:22,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119515345] [2025-01-09 03:57:22,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119515345] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:22,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:22,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:57:22,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825691589] [2025-01-09 03:57:22,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:22,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:57:22,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:22,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:57:22,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:57:22,094 INFO L87 Difference]: Start difference. First operand 442 states and 697 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:22,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:22,133 INFO L93 Difference]: Finished difference Result 863 states and 1365 transitions. [2025-01-09 03:57:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:57:22,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2025-01-09 03:57:22,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:22,136 INFO L225 Difference]: With dead ends: 863 [2025-01-09 03:57:22,136 INFO L226 Difference]: Without dead ends: 444 [2025-01-09 03:57:22,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:57:22,138 INFO L435 NwaCegarLoop]: 561 mSDtfsCounter, 1 mSDsluCounter, 1671 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2232 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:22,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2232 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:22,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-01-09 03:57:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-01-09 03:57:22,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 347 states have (on average 1.5763688760806915) internal successors, (547), 355 states have internal predecessors, (547), 71 states have call successors, (71), 21 states have call predecessors, (71), 25 states have return successors, (82), 69 states have call predecessors, (82), 70 states have call successors, (82) [2025-01-09 03:57:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 700 transitions. [2025-01-09 03:57:22,156 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 700 transitions. Word has length 109 [2025-01-09 03:57:22,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:22,157 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 700 transitions. [2025-01-09 03:57:22,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 03:57:22,157 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 700 transitions. [2025-01-09 03:57:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-01-09 03:57:22,158 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:22,158 INFO L218 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] [2025-01-09 03:57:22,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 03:57:22,159 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:22,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:22,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1918602784, now seen corresponding path program 1 times [2025-01-09 03:57:22,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:22,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595440024] [2025-01-09 03:57:22,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:22,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:22,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-09 03:57:22,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-09 03:57:22,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:22,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:22,337 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:22,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:22,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595440024] [2025-01-09 03:57:22,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595440024] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:57:22,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950917323] [2025-01-09 03:57:22,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:22,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:57:22,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:57:22,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:57:22,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 03:57:22,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-09 03:57:22,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-09 03:57:22,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:22,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:22,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:57:22,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:57:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:22,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 03:57:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:22,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950917323] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 03:57:22,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 03:57:22,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-09 03:57:22,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550335057] [2025-01-09 03:57:22,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 03:57:22,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 03:57:22,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:22,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 03:57:22,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:57:22,652 INFO L87 Difference]: Start difference. First operand 444 states and 700 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:57:22,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:22,769 INFO L93 Difference]: Finished difference Result 1058 states and 1724 transitions. [2025-01-09 03:57:22,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:57:22,770 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2025-01-09 03:57:22,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:22,775 INFO L225 Difference]: With dead ends: 1058 [2025-01-09 03:57:22,775 INFO L226 Difference]: Without dead ends: 880 [2025-01-09 03:57:22,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:57:22,777 INFO L435 NwaCegarLoop]: 601 mSDtfsCounter, 398 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 2654 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:22,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 2654 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:57:22,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2025-01-09 03:57:22,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 856. [2025-01-09 03:57:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 680 states have (on average 1.638235294117647) internal successors, (1114), 688 states have internal predecessors, (1114), 150 states have call successors, (150), 21 states have call predecessors, (150), 25 states have return successors, (171), 148 states have call predecessors, (171), 149 states have call successors, (171) [2025-01-09 03:57:22,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1435 transitions. [2025-01-09 03:57:22,803 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1435 transitions. Word has length 110 [2025-01-09 03:57:22,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:22,804 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1435 transitions. [2025-01-09 03:57:22,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:57:22,804 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1435 transitions. [2025-01-09 03:57:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-01-09 03:57:22,807 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:22,807 INFO L218 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] [2025-01-09 03:57:22,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-09 03:57:23,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:57:23,009 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:23,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:23,010 INFO L85 PathProgramCache]: Analyzing trace with hash 190313880, now seen corresponding path program 1 times [2025-01-09 03:57:23,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:23,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474382687] [2025-01-09 03:57:23,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:23,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:23,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-09 03:57:23,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-09 03:57:23,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:23,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:23,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:23,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474382687] [2025-01-09 03:57:23,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474382687] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:23,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:23,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:57:23,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574529297] [2025-01-09 03:57:23,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:23,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:23,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:23,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:23,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:23,076 INFO L87 Difference]: Start difference. First operand 856 states and 1435 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:23,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:23,139 INFO L93 Difference]: Finished difference Result 2062 states and 3502 transitions. [2025-01-09 03:57:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:23,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2025-01-09 03:57:23,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:23,149 INFO L225 Difference]: With dead ends: 2062 [2025-01-09 03:57:23,150 INFO L226 Difference]: Without dead ends: 1272 [2025-01-09 03:57:23,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:23,155 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 132 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:23,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1146 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:23,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2025-01-09 03:57:23,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1264. [2025-01-09 03:57:23,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1009 states have (on average 1.6521308225966302) internal successors, (1667), 1017 states have internal predecessors, (1667), 229 states have call successors, (229), 21 states have call predecessors, (229), 25 states have return successors, (260), 227 states have call predecessors, (260), 228 states have call successors, (260) [2025-01-09 03:57:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 2156 transitions. [2025-01-09 03:57:23,219 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 2156 transitions. Word has length 117 [2025-01-09 03:57:23,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:23,219 INFO L471 AbstractCegarLoop]: Abstraction has 1264 states and 2156 transitions. [2025-01-09 03:57:23,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 2156 transitions. [2025-01-09 03:57:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-01-09 03:57:23,227 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:23,228 INFO L218 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] [2025-01-09 03:57:23,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 03:57:23,228 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:23,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:23,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1461095480, now seen corresponding path program 1 times [2025-01-09 03:57:23,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:23,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315808896] [2025-01-09 03:57:23,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:23,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:23,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-09 03:57:23,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-09 03:57:23,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:23,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:23,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:23,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315808896] [2025-01-09 03:57:23,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315808896] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:23,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:23,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:57:23,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096549350] [2025-01-09 03:57:23,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:23,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:23,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:23,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:23,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:23,304 INFO L87 Difference]: Start difference. First operand 1264 states and 2156 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:23,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:23,366 INFO L93 Difference]: Finished difference Result 3059 states and 5247 transitions. [2025-01-09 03:57:23,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:23,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2025-01-09 03:57:23,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:23,377 INFO L225 Difference]: With dead ends: 3059 [2025-01-09 03:57:23,378 INFO L226 Difference]: Without dead ends: 1912 [2025-01-09 03:57:23,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:23,383 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 130 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:23,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:23,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2025-01-09 03:57:23,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1904. [2025-01-09 03:57:23,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1904 states, 1530 states have (on average 1.6614379084967321) internal successors, (2542), 1538 states have internal predecessors, (2542), 348 states have call successors, (348), 21 states have call predecessors, (348), 25 states have return successors, (379), 346 states have call predecessors, (379), 347 states have call successors, (379) [2025-01-09 03:57:23,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 3269 transitions. [2025-01-09 03:57:23,456 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 3269 transitions. Word has length 118 [2025-01-09 03:57:23,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:23,456 INFO L471 AbstractCegarLoop]: Abstraction has 1904 states and 3269 transitions. [2025-01-09 03:57:23,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:23,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 3269 transitions. [2025-01-09 03:57:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-01-09 03:57:23,464 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:23,464 INFO L218 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] [2025-01-09 03:57:23,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-09 03:57:23,465 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:23,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:23,465 INFO L85 PathProgramCache]: Analyzing trace with hash -981726730, now seen corresponding path program 1 times [2025-01-09 03:57:23,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:23,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479031043] [2025-01-09 03:57:23,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:23,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:23,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-09 03:57:23,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-09 03:57:23,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:23,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:23,511 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:23,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:23,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479031043] [2025-01-09 03:57:23,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479031043] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:23,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:23,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:57:23,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677976326] [2025-01-09 03:57:23,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:23,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:23,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:23,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:23,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:23,512 INFO L87 Difference]: Start difference. First operand 1904 states and 3269 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:23,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:23,628 INFO L93 Difference]: Finished difference Result 4561 states and 7887 transitions. [2025-01-09 03:57:23,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:23,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2025-01-09 03:57:23,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:23,642 INFO L225 Difference]: With dead ends: 4561 [2025-01-09 03:57:23,642 INFO L226 Difference]: Without dead ends: 2895 [2025-01-09 03:57:23,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:23,648 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 128 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:23,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1123 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:23,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2025-01-09 03:57:23,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2887. [2025-01-09 03:57:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2887 states, 2351 states have (on average 1.6690769885155252) internal successors, (3924), 2359 states have internal predecessors, (3924), 510 states have call successors, (510), 21 states have call predecessors, (510), 25 states have return successors, (557), 508 states have call predecessors, (557), 509 states have call successors, (557) [2025-01-09 03:57:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 4991 transitions. [2025-01-09 03:57:23,751 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 4991 transitions. Word has length 119 [2025-01-09 03:57:23,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:23,752 INFO L471 AbstractCegarLoop]: Abstraction has 2887 states and 4991 transitions. [2025-01-09 03:57:23,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 4991 transitions. [2025-01-09 03:57:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-09 03:57:23,763 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:23,763 INFO L218 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] [2025-01-09 03:57:23,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-09 03:57:23,763 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:23,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:23,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1785154809, now seen corresponding path program 1 times [2025-01-09 03:57:23,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:23,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002022153] [2025-01-09 03:57:23,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:23,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:23,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-09 03:57:23,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-09 03:57:23,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:23,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:23,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:23,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002022153] [2025-01-09 03:57:23,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002022153] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:23,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:23,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:57:23,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751471631] [2025-01-09 03:57:23,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:23,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:23,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:23,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:23,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:23,813 INFO L87 Difference]: Start difference. First operand 2887 states and 4991 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:23,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:23,941 INFO L93 Difference]: Finished difference Result 6939 states and 12073 transitions. [2025-01-09 03:57:23,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:23,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2025-01-09 03:57:23,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:23,963 INFO L225 Difference]: With dead ends: 6939 [2025-01-09 03:57:23,964 INFO L226 Difference]: Without dead ends: 4487 [2025-01-09 03:57:23,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:23,972 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 126 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:23,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1123 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:23,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4487 states. [2025-01-09 03:57:24,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4487 to 4479. [2025-01-09 03:57:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4479 states, 3698 states have (on average 1.6744186046511629) internal successors, (6192), 3706 states have internal predecessors, (6192), 755 states have call successors, (755), 21 states have call predecessors, (755), 25 states have return successors, (828), 753 states have call predecessors, (828), 754 states have call successors, (828) [2025-01-09 03:57:24,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4479 states to 4479 states and 7775 transitions. [2025-01-09 03:57:24,140 INFO L78 Accepts]: Start accepts. Automaton has 4479 states and 7775 transitions. Word has length 120 [2025-01-09 03:57:24,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:24,140 INFO L471 AbstractCegarLoop]: Abstraction has 4479 states and 7775 transitions. [2025-01-09 03:57:24,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 4479 states and 7775 transitions. [2025-01-09 03:57:24,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-01-09 03:57:24,153 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:24,154 INFO L218 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] [2025-01-09 03:57:24,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-09 03:57:24,154 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:24,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:24,154 INFO L85 PathProgramCache]: Analyzing trace with hash -113339526, now seen corresponding path program 1 times [2025-01-09 03:57:24,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:24,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863657669] [2025-01-09 03:57:24,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:24,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:24,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-01-09 03:57:24,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-01-09 03:57:24,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:24,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:24,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:24,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863657669] [2025-01-09 03:57:24,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863657669] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:24,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:24,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:57:24,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892034643] [2025-01-09 03:57:24,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:24,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:24,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:24,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:24,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:24,254 INFO L87 Difference]: Start difference. First operand 4479 states and 7775 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:24,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:24,422 INFO L93 Difference]: Finished difference Result 10908 states and 19056 transitions. [2025-01-09 03:57:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:24,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2025-01-09 03:57:24,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:24,469 INFO L225 Difference]: With dead ends: 10908 [2025-01-09 03:57:24,469 INFO L226 Difference]: Without dead ends: 7165 [2025-01-09 03:57:24,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:24,484 INFO L435 NwaCegarLoop]: 573 mSDtfsCounter, 124 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:24,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1127 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:24,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7165 states. [2025-01-09 03:57:24,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7165 to 7157. [2025-01-09 03:57:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7157 states, 5883 states have (on average 1.6729559748427674) internal successors, (9842), 5891 states have internal predecessors, (9842), 1248 states have call successors, (1248), 21 states have call predecessors, (1248), 25 states have return successors, (1365), 1246 states have call predecessors, (1365), 1247 states have call successors, (1365) [2025-01-09 03:57:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7157 states to 7157 states and 12455 transitions. [2025-01-09 03:57:24,827 INFO L78 Accepts]: Start accepts. Automaton has 7157 states and 12455 transitions. Word has length 121 [2025-01-09 03:57:24,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:24,828 INFO L471 AbstractCegarLoop]: Abstraction has 7157 states and 12455 transitions. [2025-01-09 03:57:24,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:24,828 INFO L276 IsEmpty]: Start isEmpty. Operand 7157 states and 12455 transitions. [2025-01-09 03:57:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-09 03:57:24,847 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:24,847 INFO L218 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] [2025-01-09 03:57:24,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-09 03:57:24,847 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:24,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:24,848 INFO L85 PathProgramCache]: Analyzing trace with hash 753589635, now seen corresponding path program 1 times [2025-01-09 03:57:24,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:24,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739878497] [2025-01-09 03:57:24,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:24,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:24,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 03:57:24,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 03:57:24,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:24,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:24,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:24,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739878497] [2025-01-09 03:57:24,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739878497] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:24,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:24,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:57:24,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073261345] [2025-01-09 03:57:24,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:24,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:24,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:24,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:24,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:24,917 INFO L87 Difference]: Start difference. First operand 7157 states and 12455 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:25,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:25,202 INFO L93 Difference]: Finished difference Result 18110 states and 31696 transitions. [2025-01-09 03:57:25,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:25,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2025-01-09 03:57:25,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:25,248 INFO L225 Difference]: With dead ends: 18110 [2025-01-09 03:57:25,249 INFO L226 Difference]: Without dead ends: 12050 [2025-01-09 03:57:25,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:25,268 INFO L435 NwaCegarLoop]: 577 mSDtfsCounter, 122 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:25,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1138 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:25,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12050 states. [2025-01-09 03:57:25,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12050 to 12042. [2025-01-09 03:57:25,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12042 states, 9946 states have (on average 1.6728332998190227) internal successors, (16638), 9954 states have internal predecessors, (16638), 2070 states have call successors, (2070), 21 states have call predecessors, (2070), 25 states have return successors, (2265), 2068 states have call predecessors, (2265), 2069 states have call successors, (2265) [2025-01-09 03:57:25,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12042 states to 12042 states and 20973 transitions. [2025-01-09 03:57:25,694 INFO L78 Accepts]: Start accepts. Automaton has 12042 states and 20973 transitions. Word has length 122 [2025-01-09 03:57:25,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:25,695 INFO L471 AbstractCegarLoop]: Abstraction has 12042 states and 20973 transitions. [2025-01-09 03:57:25,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 12042 states and 20973 transitions. [2025-01-09 03:57:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-09 03:57:25,718 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:25,718 INFO L218 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] [2025-01-09 03:57:25,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-09 03:57:25,718 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:25,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:25,718 INFO L85 PathProgramCache]: Analyzing trace with hash -878801908, now seen corresponding path program 1 times [2025-01-09 03:57:25,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:25,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384206949] [2025-01-09 03:57:25,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:25,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:25,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 03:57:25,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 03:57:25,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:25,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:25,762 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:25,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:25,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384206949] [2025-01-09 03:57:25,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384206949] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:25,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:25,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:57:25,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031090873] [2025-01-09 03:57:25,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:25,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:25,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:25,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:25,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:25,763 INFO L87 Difference]: Start difference. First operand 12042 states and 20973 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:26,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:26,157 INFO L93 Difference]: Finished difference Result 28830 states and 50142 transitions. [2025-01-09 03:57:26,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:26,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2025-01-09 03:57:26,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:26,229 INFO L225 Difference]: With dead ends: 28830 [2025-01-09 03:57:26,229 INFO L226 Difference]: Without dead ends: 18837 [2025-01-09 03:57:26,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:26,266 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 120 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:26,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1098 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:26,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18837 states. [2025-01-09 03:57:27,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18837 to 18829. [2025-01-09 03:57:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18829 states, 15530 states have (on average 1.6493238892466195) internal successors, (25614), 15538 states have internal predecessors, (25614), 3273 states have call successors, (3273), 21 states have call predecessors, (3273), 25 states have return successors, (3612), 3271 states have call predecessors, (3612), 3272 states have call successors, (3612) [2025-01-09 03:57:27,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18829 states to 18829 states and 32499 transitions. [2025-01-09 03:57:27,185 INFO L78 Accepts]: Start accepts. Automaton has 18829 states and 32499 transitions. Word has length 123 [2025-01-09 03:57:27,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:27,186 INFO L471 AbstractCegarLoop]: Abstraction has 18829 states and 32499 transitions. [2025-01-09 03:57:27,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:27,186 INFO L276 IsEmpty]: Start isEmpty. Operand 18829 states and 32499 transitions. [2025-01-09 03:57:27,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-01-09 03:57:27,214 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:27,214 INFO L218 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] [2025-01-09 03:57:27,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-09 03:57:27,214 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:27,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:27,216 INFO L85 PathProgramCache]: Analyzing trace with hash 331071394, now seen corresponding path program 1 times [2025-01-09 03:57:27,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:27,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541438772] [2025-01-09 03:57:27,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:27,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:27,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-01-09 03:57:27,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-01-09 03:57:27,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:27,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:27,279 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:27,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:27,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541438772] [2025-01-09 03:57:27,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541438772] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:27,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:27,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:57:27,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988603783] [2025-01-09 03:57:27,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:27,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:27,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:27,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:27,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:27,283 INFO L87 Difference]: Start difference. First operand 18829 states and 32499 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:27,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:27,953 INFO L93 Difference]: Finished difference Result 49822 states and 86282 transitions. [2025-01-09 03:57:27,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:27,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2025-01-09 03:57:27,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:28,103 INFO L225 Difference]: With dead ends: 49822 [2025-01-09 03:57:28,103 INFO L226 Difference]: Without dead ends: 33655 [2025-01-09 03:57:28,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:28,158 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 118 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:28,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:28,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33655 states. [2025-01-09 03:57:29,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33655 to 33647. [2025-01-09 03:57:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33647 states, 27898 states have (on average 1.645781059574163) internal successors, (45914), 27906 states have internal predecessors, (45914), 5723 states have call successors, (5723), 21 states have call predecessors, (5723), 25 states have return successors, (6336), 5721 states have call predecessors, (6336), 5722 states have call successors, (6336) [2025-01-09 03:57:29,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33647 states to 33647 states and 57973 transitions. [2025-01-09 03:57:29,392 INFO L78 Accepts]: Start accepts. Automaton has 33647 states and 57973 transitions. Word has length 124 [2025-01-09 03:57:29,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:29,392 INFO L471 AbstractCegarLoop]: Abstraction has 33647 states and 57973 transitions. [2025-01-09 03:57:29,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:29,393 INFO L276 IsEmpty]: Start isEmpty. Operand 33647 states and 57973 transitions. [2025-01-09 03:57:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-01-09 03:57:29,422 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:29,422 INFO L218 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] [2025-01-09 03:57:29,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-09 03:57:29,422 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:29,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:29,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1909752306, now seen corresponding path program 1 times [2025-01-09 03:57:29,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:29,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957240551] [2025-01-09 03:57:29,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:29,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:29,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 03:57:29,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 03:57:29,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:29,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:29,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:29,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957240551] [2025-01-09 03:57:29,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957240551] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:29,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:29,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:57:29,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759151318] [2025-01-09 03:57:29,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:29,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:29,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:29,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:29,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:29,483 INFO L87 Difference]: Start difference. First operand 33647 states and 57973 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:30,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:30,870 INFO L93 Difference]: Finished difference Result 91859 states and 158709 transitions. [2025-01-09 03:57:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:30,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2025-01-09 03:57:30,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:31,166 INFO L225 Difference]: With dead ends: 91859 [2025-01-09 03:57:31,167 INFO L226 Difference]: Without dead ends: 61753 [2025-01-09 03:57:31,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:31,277 INFO L435 NwaCegarLoop]: 571 mSDtfsCounter, 116 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:31,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1131 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:31,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61753 states. [2025-01-09 03:57:33,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61753 to 61745. [2025-01-09 03:57:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61745 states, 51483 states have (on average 1.6412407979332984) internal successors, (84496), 51491 states have internal predecessors, (84496), 10236 states have call successors, (10236), 21 states have call predecessors, (10236), 25 states have return successors, (11381), 10234 states have call predecessors, (11381), 10235 states have call successors, (11381) [2025-01-09 03:57:33,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61745 states to 61745 states and 106113 transitions. [2025-01-09 03:57:33,725 INFO L78 Accepts]: Start accepts. Automaton has 61745 states and 106113 transitions. Word has length 125 [2025-01-09 03:57:33,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:33,726 INFO L471 AbstractCegarLoop]: Abstraction has 61745 states and 106113 transitions. [2025-01-09 03:57:33,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 61745 states and 106113 transitions. [2025-01-09 03:57:33,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-01-09 03:57:33,755 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:33,755 INFO L218 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] [2025-01-09 03:57:33,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-09 03:57:33,755 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:33,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:33,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1535129410, now seen corresponding path program 1 times [2025-01-09 03:57:33,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:33,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499309836] [2025-01-09 03:57:33,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:33,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:33,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-09 03:57:33,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-09 03:57:33,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:33,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:33,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:33,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499309836] [2025-01-09 03:57:33,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499309836] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:33,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:33,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:57:33,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807606213] [2025-01-09 03:57:33,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:33,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:57:33,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:33,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:57:33,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:33,807 INFO L87 Difference]: Start difference. First operand 61745 states and 106113 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:35,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:35,955 INFO L93 Difference]: Finished difference Result 115716 states and 199255 transitions. [2025-01-09 03:57:35,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:57:35,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2025-01-09 03:57:35,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:36,537 INFO L225 Difference]: With dead ends: 115716 [2025-01-09 03:57:36,537 INFO L226 Difference]: Without dead ends: 115538 [2025-01-09 03:57:36,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:57:36,620 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 111 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:36,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1140 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:57:36,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115538 states. [2025-01-09 03:57:40,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115538 to 115530. [2025-01-09 03:57:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115530 states, 96900 states have (on average 1.6356965944272446) internal successors, (158499), 96908 states have internal predecessors, (158499), 18604 states have call successors, (18604), 21 states have call predecessors, (18604), 25 states have return successors, (20795), 18602 states have call predecessors, (20795), 18603 states have call successors, (20795) [2025-01-09 03:57:41,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115530 states to 115530 states and 197898 transitions. [2025-01-09 03:57:41,200 INFO L78 Accepts]: Start accepts. Automaton has 115530 states and 197898 transitions. Word has length 126 [2025-01-09 03:57:41,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:41,201 INFO L471 AbstractCegarLoop]: Abstraction has 115530 states and 197898 transitions. [2025-01-09 03:57:41,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 03:57:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 115530 states and 197898 transitions. [2025-01-09 03:57:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-01-09 03:57:41,244 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:41,244 INFO L218 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] [2025-01-09 03:57:41,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-09 03:57:41,244 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:41,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:41,245 INFO L85 PathProgramCache]: Analyzing trace with hash -785984685, now seen corresponding path program 1 times [2025-01-09 03:57:41,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:41,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874970455] [2025-01-09 03:57:41,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:41,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:41,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-09 03:57:41,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-09 03:57:41,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:41,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:41,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:41,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874970455] [2025-01-09 03:57:41,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874970455] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:41,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:41,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-01-09 03:57:41,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278460948] [2025-01-09 03:57:41,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:41,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-09 03:57:41,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:41,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-09 03:57:41,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 03:57:41,960 INFO L87 Difference]: Start difference. First operand 115530 states and 197898 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2025-01-09 03:57:47,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:57:47,203 INFO L93 Difference]: Finished difference Result 230202 states and 399794 transitions. [2025-01-09 03:57:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-09 03:57:47,203 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 127 [2025-01-09 03:57:47,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:57:48,646 INFO L225 Difference]: With dead ends: 230202 [2025-01-09 03:57:48,646 INFO L226 Difference]: Without dead ends: 230030 [2025-01-09 03:57:48,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2025-01-09 03:57:48,760 INFO L435 NwaCegarLoop]: 688 mSDtfsCounter, 1452 mSDsluCounter, 5803 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 6491 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-09 03:57:48,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 6491 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-09 03:57:48,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230030 states. [2025-01-09 03:57:56,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230030 to 229995. [2025-01-09 03:57:56,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229995 states, 192977 states have (on average 1.6362468066142597) internal successors, (315758), 192882 states have internal predecessors, (315758), 36957 states have call successors, (36957), 54 states have call predecessors, (36957), 60 states have return successors, (44619), 37064 states have call predecessors, (44619), 36954 states have call successors, (44619) [2025-01-09 03:57:57,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229995 states to 229995 states and 397334 transitions. [2025-01-09 03:57:57,713 INFO L78 Accepts]: Start accepts. Automaton has 229995 states and 397334 transitions. Word has length 127 [2025-01-09 03:57:57,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:57:57,713 INFO L471 AbstractCegarLoop]: Abstraction has 229995 states and 397334 transitions. [2025-01-09 03:57:57,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2025-01-09 03:57:57,714 INFO L276 IsEmpty]: Start isEmpty. Operand 229995 states and 397334 transitions. [2025-01-09 03:57:57,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-01-09 03:57:57,765 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:57:57,765 INFO L218 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] [2025-01-09 03:57:57,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-01-09 03:57:57,766 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:57:57,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:57:57,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1794867912, now seen corresponding path program 1 times [2025-01-09 03:57:57,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:57:57,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830515012] [2025-01-09 03:57:57,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:57:57,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:57:57,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-09 03:57:57,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-09 03:57:57,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:57:57,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:57:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:57:57,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:57:57,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830515012] [2025-01-09 03:57:57,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830515012] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:57:57,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:57:57,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-09 03:57:57,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468871012] [2025-01-09 03:57:57,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:57:57,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-09 03:57:57,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:57:57,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-09 03:57:57,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:57:57,948 INFO L87 Difference]: Start difference. First operand 229995 states and 397334 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 5 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12)