./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product34.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_spec6_product34.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 4c8df6e468eecbce541189806946dc0233fe629a6f2a971a54d2c5d7914e97b3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 03:55:46,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 03:55:46,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 03:55:46,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 03:55:46,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 03:55:46,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 03:55:46,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 03:55:46,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 03:55:46,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 03:55:46,769 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 03:55:46,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 03:55:46,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 03:55:46,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 03:55:46,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 03:55:46,770 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 03:55:46,770 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 03:55:46,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:55:46,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:55:46,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:55:46,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:55:46,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 03:55:46,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:55:46,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:55:46,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:55:46,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:55:46,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 03:55:46,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 03:55:46,775 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 03:55:46,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 03:55:46,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 03:55:46,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 03:55:46,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 03:55:46,775 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 03:55:46,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 03:55:46,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 03:55:46,775 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 -> 4c8df6e468eecbce541189806946dc0233fe629a6f2a971a54d2c5d7914e97b3 [2025-01-09 03:55:47,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 03:55:47,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 03:55:47,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 03:55:47,040 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 03:55:47,040 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 03:55:47,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product34.cil.c [2025-01-09 03:55:48,211 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7b839068/85e34201e9784f56a27960c25b2a9156/FLAG7b16dddac [2025-01-09 03:55:48,619 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 03:55:48,620 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product34.cil.c [2025-01-09 03:55:48,644 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7b839068/85e34201e9784f56a27960c25b2a9156/FLAG7b16dddac [2025-01-09 03:55:48,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7b839068/85e34201e9784f56a27960c25b2a9156 [2025-01-09 03:55:48,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 03:55:48,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 03:55:48,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 03:55:48,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 03:55:48,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 03:55:48,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:55:48" (1/1) ... [2025-01-09 03:55:48,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5336ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:48, skipping insertion in model container [2025-01-09 03:55:48,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:55:48" (1/1) ... [2025-01-09 03:55:48,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 03:55:49,041 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_spec6_product34.cil.c[11485,11498] [2025-01-09 03:55:49,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:55:49,266 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 03:55:49,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2025-01-09 03:55:49,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [97] [2025-01-09 03:55:49,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [150] [2025-01-09 03:55:49,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [578] [2025-01-09 03:55:49,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [595] [2025-01-09 03:55:49,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [604] [2025-01-09 03:55:49,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [970] [2025-01-09 03:55:49,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1369] [2025-01-09 03:55:49,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1504] [2025-01-09 03:55:49,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2576] [2025-01-09 03:55:49,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2875] [2025-01-09 03:55:49,313 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_spec6_product34.cil.c[11485,11498] [2025-01-09 03:55:49,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:55:49,385 INFO L204 MainTranslator]: Completed translation [2025-01-09 03:55:49,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49 WrapperNode [2025-01-09 03:55:49,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 03:55:49,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 03:55:49,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 03:55:49,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 03:55:49,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,462 INFO L138 Inliner]: procedures = 135, calls = 224, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1127 [2025-01-09 03:55:49,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 03:55:49,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 03:55:49,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 03:55:49,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 03:55:49,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,511 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 03:55:49,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,536 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 03:55:49,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 03:55:49,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 03:55:49,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 03:55:49,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (1/1) ... [2025-01-09 03:55:49,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:55:49,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:55:49,592 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 03:55:49,596 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 03:55:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2025-01-09 03:55:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2025-01-09 03:55:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-01-09 03:55:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-01-09 03:55:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2025-01-09 03:55:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2025-01-09 03:55:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-01-09 03:55:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-01-09 03:55:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2025-01-09 03:55:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2025-01-09 03:55:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-01-09 03:55:49,616 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-01-09 03:55:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-01-09 03:55:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-01-09 03:55:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-01-09 03:55:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-01-09 03:55:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-01-09 03:55:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-01-09 03:55:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2025-01-09 03:55:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2025-01-09 03:55:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-01-09 03:55:49,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-01-09 03:55:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-01-09 03:55:49,618 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-01-09 03:55:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-01-09 03:55:49,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-01-09 03:55:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-01-09 03:55:49,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-01-09 03:55:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 03:55:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-01-09 03:55:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-01-09 03:55:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2025-01-09 03:55:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2025-01-09 03:55:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-01-09 03:55:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-01-09 03:55:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-01-09 03:55:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-01-09 03:55:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-01-09 03:55:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-01-09 03:55:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-01-09 03:55:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-01-09 03:55:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2025-01-09 03:55:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2025-01-09 03:55:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2025-01-09 03:55:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2025-01-09 03:55:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-01-09 03:55:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-01-09 03:55:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2025-01-09 03:55:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2025-01-09 03:55:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-01-09 03:55:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-01-09 03:55:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-01-09 03:55:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-01-09 03:55:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 03:55:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 03:55:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 03:55:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 03:55:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-01-09 03:55:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-01-09 03:55:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-01-09 03:55:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-01-09 03:55:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 03:55:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 03:55:49,797 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 03:55:49,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 03:55:50,723 INFO L? ?]: Removed 588 outVars from TransFormulas that were not future-live. [2025-01-09 03:55:50,723 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 03:55:50,743 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 03:55:50,747 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 03:55:50,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:55:50 BoogieIcfgContainer [2025-01-09 03:55:50,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 03:55:50,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 03:55:50,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 03:55:50,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 03:55:50,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:55:48" (1/3) ... [2025-01-09 03:55:50,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd73500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:55:50, skipping insertion in model container [2025-01-09 03:55:50,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:55:49" (2/3) ... [2025-01-09 03:55:50,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd73500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:55:50, skipping insertion in model container [2025-01-09 03:55:50,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:55:50" (3/3) ... [2025-01-09 03:55:50,756 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec6_product34.cil.c [2025-01-09 03:55:50,766 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 03:55:50,770 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec6_product34.cil.c that has 29 procedures, 451 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 03:55:50,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 03:55:50,878 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;@3ae98196, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 03:55:50,881 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 03:55:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 451 states, 348 states have (on average 1.5316091954022988) internal successors, (533), 353 states have internal predecessors, (533), 73 states have call successors, (73), 28 states have call predecessors, (73), 28 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2025-01-09 03:55:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-01-09 03:55:50,912 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:50,913 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:50,916 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:50,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:50,920 INFO L85 PathProgramCache]: Analyzing trace with hash 461342419, now seen corresponding path program 1 times [2025-01-09 03:55:50,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:50,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302426629] [2025-01-09 03:55:50,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:50,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:51,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-09 03:55:51,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-09 03:55:51,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:51,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:55:51,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:51,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302426629] [2025-01-09 03:55:51,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302426629] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:55:51,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172571498] [2025-01-09 03:55:51,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:51,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:55:51,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:55:51,596 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 03:55:51,597 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 03:55:51,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-09 03:55:51,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-09 03:55:51,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:51,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:51,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 03:55:51,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:55:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-09 03:55:52,021 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:55:52,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172571498] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:52,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:55:52,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-01-09 03:55:52,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971534293] [2025-01-09 03:55:52,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:52,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:55:52,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:52,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:55:52,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:55:52,051 INFO L87 Difference]: Start difference. First operand has 451 states, 348 states have (on average 1.5316091954022988) internal successors, (533), 353 states have internal predecessors, (533), 73 states have call successors, (73), 28 states have call predecessors, (73), 28 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 03:55:52,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:52,148 INFO L93 Difference]: Finished difference Result 712 states and 1054 transitions. [2025-01-09 03:55:52,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:55:52,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 135 [2025-01-09 03:55:52,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:52,160 INFO L225 Difference]: With dead ends: 712 [2025-01-09 03:55:52,160 INFO L226 Difference]: Without dead ends: 446 [2025-01-09 03:55:52,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 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 03:55:52,165 INFO L435 NwaCegarLoop]: 674 mSDtfsCounter, 1 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1345 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 03:55:52,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1345 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:52,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-01-09 03:55:52,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 445. [2025-01-09 03:55:52,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 343 states have (on average 1.5276967930029155) internal successors, (524), 347 states have internal predecessors, (524), 73 states have call successors, (73), 28 states have call predecessors, (73), 28 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2025-01-09 03:55:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 669 transitions. [2025-01-09 03:55:52,231 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 669 transitions. Word has length 135 [2025-01-09 03:55:52,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:52,232 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 669 transitions. [2025-01-09 03:55:52,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 03:55:52,233 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 669 transitions. [2025-01-09 03:55:52,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-01-09 03:55:52,235 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:52,235 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:52,245 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 03:55:52,440 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 03:55:52,440 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:52,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:52,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1854905362, now seen corresponding path program 1 times [2025-01-09 03:55:52,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:52,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579738436] [2025-01-09 03:55:52,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:52,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:52,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-09 03:55:52,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-09 03:55:52,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:52,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:52,799 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-09 03:55:52,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:52,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579738436] [2025-01-09 03:55:52,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579738436] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:55:52,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898563821] [2025-01-09 03:55:52,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:52,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:55:52,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:55:52,805 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 03:55:52,807 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 03:55:52,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-09 03:55:53,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-09 03:55:53,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:53,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:53,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:55:53,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:55:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-09 03:55:53,125 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:55:53,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898563821] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:53,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:55:53,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-01-09 03:55:53,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172210024] [2025-01-09 03:55:53,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:53,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:55:53,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:53,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:55:53,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:55:53,127 INFO L87 Difference]: Start difference. First operand 445 states and 669 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, (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 03:55:53,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:53,178 INFO L93 Difference]: Finished difference Result 938 states and 1430 transitions. [2025-01-09 03:55:53,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:55:53,182 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, (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 140 [2025-01-09 03:55:53,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:53,186 INFO L225 Difference]: With dead ends: 938 [2025-01-09 03:55:53,186 INFO L226 Difference]: Without dead ends: 519 [2025-01-09 03:55:53,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 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 03:55:53,188 INFO L435 NwaCegarLoop]: 685 mSDtfsCounter, 134 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1307 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 03:55:53,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1307 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:53,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-01-09 03:55:53,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 511. [2025-01-09 03:55:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 395 states have (on average 1.549367088607595) internal successors, (612), 399 states have internal predecessors, (612), 87 states have call successors, (87), 28 states have call predecessors, (87), 28 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2025-01-09 03:55:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 785 transitions. [2025-01-09 03:55:53,217 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 785 transitions. Word has length 140 [2025-01-09 03:55:53,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:53,217 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 785 transitions. [2025-01-09 03:55:53,217 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, (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 03:55:53,217 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 785 transitions. [2025-01-09 03:55:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-01-09 03:55:53,220 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:53,220 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:53,229 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 03:55:53,424 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 03:55:53,424 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:53,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:53,425 INFO L85 PathProgramCache]: Analyzing trace with hash 626208292, now seen corresponding path program 1 times [2025-01-09 03:55:53,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:53,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850930124] [2025-01-09 03:55:53,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:53,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:53,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-09 03:55:53,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-09 03:55:53,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:53,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-09 03:55:53,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:53,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850930124] [2025-01-09 03:55:53,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850930124] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:55:53,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507479868] [2025-01-09 03:55:53,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:53,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:55:53,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:55:53,831 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 03:55:53,836 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 03:55:54,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-09 03:55:54,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-09 03:55:54,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:54,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:54,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 03:55:54,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:55:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-09 03:55:54,397 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:55:54,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507479868] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:54,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:55:54,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-01-09 03:55:54,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978366945] [2025-01-09 03:55:54,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:54,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:55:54,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:54,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:55:54,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:55:54,400 INFO L87 Difference]: Start difference. First operand 511 states and 785 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:55:54,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:54,481 INFO L93 Difference]: Finished difference Result 1013 states and 1560 transitions. [2025-01-09 03:55:54,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:55:54,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 141 [2025-01-09 03:55:54,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:54,485 INFO L225 Difference]: With dead ends: 1013 [2025-01-09 03:55:54,487 INFO L226 Difference]: Without dead ends: 513 [2025-01-09 03:55:54,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 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 03:55:54,490 INFO L435 NwaCegarLoop]: 660 mSDtfsCounter, 2 mSDsluCounter, 1969 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2629 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 03:55:54,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2629 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:54,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2025-01-09 03:55:54,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2025-01-09 03:55:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 396 states have (on average 1.547979797979798) internal successors, (613), 401 states have internal predecessors, (613), 87 states have call successors, (87), 28 states have call predecessors, (87), 29 states have return successors, (88), 85 states have call predecessors, (88), 86 states have call successors, (88) [2025-01-09 03:55:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 788 transitions. [2025-01-09 03:55:54,518 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 788 transitions. Word has length 141 [2025-01-09 03:55:54,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:54,518 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 788 transitions. [2025-01-09 03:55:54,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:55:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 788 transitions. [2025-01-09 03:55:54,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-01-09 03:55:54,523 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:54,523 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:54,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 03:55:54,727 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 03:55:54,727 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:54,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:54,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1462494013, now seen corresponding path program 1 times [2025-01-09 03:55:54,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:54,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898056647] [2025-01-09 03:55:54,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:54,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:54,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 03:55:54,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 03:55:54,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:54,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-01-09 03:55:55,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:55,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898056647] [2025-01-09 03:55:55,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898056647] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:55:55,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521395065] [2025-01-09 03:55:55,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:55,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:55:55,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:55:55,041 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 03:55:55,046 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 03:55:55,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 03:55:55,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 03:55:55,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:55,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:55,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 03:55:55,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:55:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 03:55:55,387 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:55:55,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521395065] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:55,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:55:55,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-01-09 03:55:55,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423685901] [2025-01-09 03:55:55,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:55,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:55:55,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:55,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:55:55,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:55:55,389 INFO L87 Difference]: Start difference. First operand 513 states and 788 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 03:55:55,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:55,476 INFO L93 Difference]: Finished difference Result 1015 states and 1565 transitions. [2025-01-09 03:55:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:55:55,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 161 [2025-01-09 03:55:55,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:55,481 INFO L225 Difference]: With dead ends: 1015 [2025-01-09 03:55:55,482 INFO L226 Difference]: Without dead ends: 515 [2025-01-09 03:55:55,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:55:55,484 INFO L435 NwaCegarLoop]: 658 mSDtfsCounter, 2 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2615 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 03:55:55,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2615 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:55,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2025-01-09 03:55:55,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2025-01-09 03:55:55,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 403 states have internal predecessors, (614), 87 states have call successors, (87), 28 states have call predecessors, (87), 30 states have return successors, (93), 85 states have call predecessors, (93), 86 states have call successors, (93) [2025-01-09 03:55:55,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 794 transitions. [2025-01-09 03:55:55,513 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 794 transitions. Word has length 161 [2025-01-09 03:55:55,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:55,514 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 794 transitions. [2025-01-09 03:55:55,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 03:55:55,514 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 794 transitions. [2025-01-09 03:55:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-01-09 03:55:55,517 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:55,518 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:55,526 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 03:55:55,718 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 03:55:55,719 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:55,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:55,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1327455219, now seen corresponding path program 1 times [2025-01-09 03:55:55,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:55,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245882656] [2025-01-09 03:55:55,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:55,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:55,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-01-09 03:55:55,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-01-09 03:55:55,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:55,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-09 03:55:55,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:55,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245882656] [2025-01-09 03:55:55,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245882656] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:55,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:55:55,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:55:55,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519982909] [2025-01-09 03:55:55,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:55,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:55:55,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:55,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:55:55,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:55:55,915 INFO L87 Difference]: Start difference. First operand 515 states and 794 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:55:55,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:55,966 INFO L93 Difference]: Finished difference Result 1007 states and 1556 transitions. [2025-01-09 03:55:55,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:55:55,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 143 [2025-01-09 03:55:55,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:55,970 INFO L225 Difference]: With dead ends: 1007 [2025-01-09 03:55:55,970 INFO L226 Difference]: Without dead ends: 515 [2025-01-09 03:55:55,972 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 03:55:55,972 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 2 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2633 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 03:55:55,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2633 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:55,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2025-01-09 03:55:55,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2025-01-09 03:55:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 403 states have internal predecessors, (614), 87 states have call successors, (87), 28 states have call predecessors, (87), 30 states have return successors, (92), 85 states have call predecessors, (92), 86 states have call successors, (92) [2025-01-09 03:55:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 793 transitions. [2025-01-09 03:55:55,995 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 793 transitions. Word has length 143 [2025-01-09 03:55:55,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:55,995 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 793 transitions. [2025-01-09 03:55:55,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:55:55,996 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 793 transitions. [2025-01-09 03:55:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 03:55:55,998 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:55,998 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:55,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 03:55:55,999 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:55,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:55,999 INFO L85 PathProgramCache]: Analyzing trace with hash -931298629, now seen corresponding path program 2 times [2025-01-09 03:55:55,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:55,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598936677] [2025-01-09 03:55:56,000 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 03:55:56,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:56,020 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 144 statements into 2 equivalence classes. [2025-01-09 03:55:56,032 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 03:55:56,032 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-09 03:55:56,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-09 03:55:56,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:56,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598936677] [2025-01-09 03:55:56,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598936677] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:56,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:55:56,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:55:56,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350649088] [2025-01-09 03:55:56,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:56,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:55:56,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:56,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:55:56,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:55:56,162 INFO L87 Difference]: Start difference. First operand 515 states and 793 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:55:56,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:56,218 INFO L93 Difference]: Finished difference Result 1005 states and 1551 transitions. [2025-01-09 03:55:56,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:55:56,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2025-01-09 03:55:56,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:56,222 INFO L225 Difference]: With dead ends: 1005 [2025-01-09 03:55:56,222 INFO L226 Difference]: Without dead ends: 515 [2025-01-09 03:55:56,224 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 03:55:56,225 INFO L435 NwaCegarLoop]: 659 mSDtfsCounter, 2 mSDsluCounter, 1960 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2619 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 03:55:56,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2619 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:56,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2025-01-09 03:55:56,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2025-01-09 03:55:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 403 states have internal predecessors, (614), 87 states have call successors, (87), 28 states have call predecessors, (87), 30 states have return successors, (91), 85 states have call predecessors, (91), 86 states have call successors, (91) [2025-01-09 03:55:56,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 792 transitions. [2025-01-09 03:55:56,243 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 792 transitions. Word has length 144 [2025-01-09 03:55:56,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:56,243 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 792 transitions. [2025-01-09 03:55:56,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:55:56,244 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 792 transitions. [2025-01-09 03:55:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-01-09 03:55:56,246 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:56,246 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:56,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 03:55:56,246 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:56,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:56,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1337186114, now seen corresponding path program 3 times [2025-01-09 03:55:56,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:56,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252200414] [2025-01-09 03:55:56,247 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-09 03:55:56,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:56,267 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 145 statements into 3 equivalence classes. [2025-01-09 03:55:56,275 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 133 of 145 statements. [2025-01-09 03:55:56,275 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-09 03:55:56,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-09 03:55:56,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:56,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252200414] [2025-01-09 03:55:56,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252200414] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:56,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:55:56,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:55:56,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350950845] [2025-01-09 03:55:56,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:56,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:55:56,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:56,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:55:56,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:55:56,377 INFO L87 Difference]: Start difference. First operand 515 states and 792 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:55:56,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:56,431 INFO L93 Difference]: Finished difference Result 1007 states and 1557 transitions. [2025-01-09 03:55:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:55:56,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 145 [2025-01-09 03:55:56,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:56,436 INFO L225 Difference]: With dead ends: 1007 [2025-01-09 03:55:56,436 INFO L226 Difference]: Without dead ends: 517 [2025-01-09 03:55:56,438 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 03:55:56,438 INFO L435 NwaCegarLoop]: 662 mSDtfsCounter, 1 mSDsluCounter, 1968 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2630 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 03:55:56,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2630 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:56,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2025-01-09 03:55:56,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2025-01-09 03:55:56,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 405 states have internal predecessors, (615), 87 states have call successors, (87), 28 states have call predecessors, (87), 31 states have return successors, (96), 85 states have call predecessors, (96), 86 states have call successors, (96) [2025-01-09 03:55:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 798 transitions. [2025-01-09 03:55:56,456 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 798 transitions. Word has length 145 [2025-01-09 03:55:56,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:56,456 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 798 transitions. [2025-01-09 03:55:56,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:55:56,457 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 798 transitions. [2025-01-09 03:55:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-01-09 03:55:56,459 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:56,459 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:56,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 03:55:56,459 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:56,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:56,460 INFO L85 PathProgramCache]: Analyzing trace with hash 324169568, now seen corresponding path program 1 times [2025-01-09 03:55:56,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:56,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310447506] [2025-01-09 03:55:56,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:56,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:56,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-09 03:55:56,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-09 03:55:56,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:56,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-09 03:55:56,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:56,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310447506] [2025-01-09 03:55:56,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310447506] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:56,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:55:56,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:55:56,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205585811] [2025-01-09 03:55:56,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:56,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:55:56,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:56,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:55:56,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:55:56,614 INFO L87 Difference]: Start difference. First operand 517 states and 798 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:55:56,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:56,656 INFO L93 Difference]: Finished difference Result 1013 states and 1567 transitions. [2025-01-09 03:55:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:55:56,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 146 [2025-01-09 03:55:56,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:56,660 INFO L225 Difference]: With dead ends: 1013 [2025-01-09 03:55:56,660 INFO L226 Difference]: Without dead ends: 519 [2025-01-09 03:55:56,662 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 03:55:56,662 INFO L435 NwaCegarLoop]: 662 mSDtfsCounter, 1 mSDsluCounter, 1974 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2636 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 03:55:56,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2636 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-01-09 03:55:56,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2025-01-09 03:55:56,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 399 states have (on average 1.543859649122807) internal successors, (616), 407 states have internal predecessors, (616), 87 states have call successors, (87), 28 states have call predecessors, (87), 32 states have return successors, (98), 85 states have call predecessors, (98), 86 states have call successors, (98) [2025-01-09 03:55:56,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 801 transitions. [2025-01-09 03:55:56,680 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 801 transitions. Word has length 146 [2025-01-09 03:55:56,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:56,680 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 801 transitions. [2025-01-09 03:55:56,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 03:55:56,681 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 801 transitions. [2025-01-09 03:55:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-01-09 03:55:56,683 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:56,683 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:56,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 03:55:56,683 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:56,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:56,684 INFO L85 PathProgramCache]: Analyzing trace with hash -782529827, now seen corresponding path program 1 times [2025-01-09 03:55:56,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:56,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876400231] [2025-01-09 03:55:56,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:56,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:56,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-09 03:55:56,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-09 03:55:56,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:56,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:55:56,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:56,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876400231] [2025-01-09 03:55:56,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876400231] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:55:56,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716951460] [2025-01-09 03:55:56,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:56,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:55:56,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:55:56,787 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 03:55:56,789 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 03:55:56,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-09 03:55:57,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-09 03:55:57,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:57,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:57,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:55:57,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:55:57,104 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:55:57,105 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 03:55:57,185 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:55:57,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716951460] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 03:55:57,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 03:55:57,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-09 03:55:57,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829241784] [2025-01-09 03:55:57,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 03:55:57,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 03:55:57,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:57,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 03:55:57,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:55:57,187 INFO L87 Difference]: Start difference. First operand 519 states and 801 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2025-01-09 03:55:57,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:57,358 INFO L93 Difference]: Finished difference Result 1208 states and 1926 transitions. [2025-01-09 03:55:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 03:55:57,359 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 147 [2025-01-09 03:55:57,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:57,364 INFO L225 Difference]: With dead ends: 1208 [2025-01-09 03:55:57,366 INFO L226 Difference]: Without dead ends: 955 [2025-01-09 03:55:57,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 291 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 03:55:57,368 INFO L435 NwaCegarLoop]: 707 mSDtfsCounter, 608 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:55:57,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 1972 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:55:57,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2025-01-09 03:55:57,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 931. [2025-01-09 03:55:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 732 states have (on average 1.616120218579235) internal successors, (1183), 740 states have internal predecessors, (1183), 166 states have call successors, (166), 28 states have call predecessors, (166), 32 states have return successors, (187), 164 states have call predecessors, (187), 165 states have call successors, (187) [2025-01-09 03:55:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1536 transitions. [2025-01-09 03:55:57,405 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1536 transitions. Word has length 147 [2025-01-09 03:55:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:57,406 INFO L471 AbstractCegarLoop]: Abstraction has 931 states and 1536 transitions. [2025-01-09 03:55:57,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2025-01-09 03:55:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1536 transitions. [2025-01-09 03:55:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-01-09 03:55:57,412 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:57,412 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:57,421 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 03:55:57,613 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 03:55:57,613 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:57,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:57,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1810783594, now seen corresponding path program 1 times [2025-01-09 03:55:57,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:57,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825727246] [2025-01-09 03:55:57,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:57,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:57,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-01-09 03:55:57,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-01-09 03:55:57,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:57,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:55:57,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:57,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825727246] [2025-01-09 03:55:57,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825727246] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:57,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:55:57,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:55:57,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186765151] [2025-01-09 03:55:57,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:57,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:55:57,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:57,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:55:57,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:55:57,695 INFO L87 Difference]: Start difference. First operand 931 states and 1536 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:55:57,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:57,771 INFO L93 Difference]: Finished difference Result 2212 states and 3704 transitions. [2025-01-09 03:55:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:55:57,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2025-01-09 03:55:57,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:57,781 INFO L225 Difference]: With dead ends: 2212 [2025-01-09 03:55:57,781 INFO L226 Difference]: Without dead ends: 1347 [2025-01-09 03:55:57,784 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 03:55:57,785 INFO L435 NwaCegarLoop]: 680 mSDtfsCounter, 132 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1345 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 03:55:57,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1345 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:57,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2025-01-09 03:55:57,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1339. [2025-01-09 03:55:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1339 states, 1061 states have (on average 1.6361922714420358) internal successors, (1736), 1069 states have internal predecessors, (1736), 245 states have call successors, (245), 28 states have call predecessors, (245), 32 states have return successors, (276), 243 states have call predecessors, (276), 244 states have call successors, (276) [2025-01-09 03:55:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 2257 transitions. [2025-01-09 03:55:57,850 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 2257 transitions. Word has length 154 [2025-01-09 03:55:57,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:57,851 INFO L471 AbstractCegarLoop]: Abstraction has 1339 states and 2257 transitions. [2025-01-09 03:55:57,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:55:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 2257 transitions. [2025-01-09 03:55:57,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-01-09 03:55:57,859 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:57,859 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:57,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 03:55:57,860 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:57,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:57,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1891346314, now seen corresponding path program 1 times [2025-01-09 03:55:57,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:57,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908283585] [2025-01-09 03:55:57,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:57,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:57,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-01-09 03:55:57,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-01-09 03:55:57,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:57,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-01-09 03:55:57,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:57,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908283585] [2025-01-09 03:55:57,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908283585] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:57,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:55:57,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:55:57,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521691622] [2025-01-09 03:55:57,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:57,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:55:57,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:57,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:55:57,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:55:57,950 INFO L87 Difference]: Start difference. First operand 1339 states and 2257 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 03:55:58,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:58,031 INFO L93 Difference]: Finished difference Result 3209 states and 5449 transitions. [2025-01-09 03:55:58,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:55:58,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 174 [2025-01-09 03:55:58,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:58,044 INFO L225 Difference]: With dead ends: 3209 [2025-01-09 03:55:58,045 INFO L226 Difference]: Without dead ends: 1987 [2025-01-09 03:55:58,051 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 03:55:58,052 INFO L435 NwaCegarLoop]: 669 mSDtfsCounter, 130 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1330 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 03:55:58,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1330 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:58,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2025-01-09 03:55:58,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1979. [2025-01-09 03:55:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1979 states, 1582 states have (on average 1.6504424778761062) internal successors, (2611), 1590 states have internal predecessors, (2611), 364 states have call successors, (364), 28 states have call predecessors, (364), 32 states have return successors, (395), 362 states have call predecessors, (395), 363 states have call successors, (395) [2025-01-09 03:55:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 3370 transitions. [2025-01-09 03:55:58,152 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 3370 transitions. Word has length 174 [2025-01-09 03:55:58,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:58,154 INFO L471 AbstractCegarLoop]: Abstraction has 1979 states and 3370 transitions. [2025-01-09 03:55:58,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 03:55:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 3370 transitions. [2025-01-09 03:55:58,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-01-09 03:55:58,166 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:58,166 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:58,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-09 03:55:58,166 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:58,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:58,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1161739052, now seen corresponding path program 1 times [2025-01-09 03:55:58,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:58,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948201738] [2025-01-09 03:55:58,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:58,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:58,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-01-09 03:55:58,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-01-09 03:55:58,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:58,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:55:58,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:58,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948201738] [2025-01-09 03:55:58,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948201738] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:58,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:55:58,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:55:58,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326394430] [2025-01-09 03:55:58,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:58,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:55:58,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:58,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:55:58,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:55:58,245 INFO L87 Difference]: Start difference. First operand 1979 states and 3370 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:55:58,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:58,353 INFO L93 Difference]: Finished difference Result 4711 states and 8089 transitions. [2025-01-09 03:55:58,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:55:58,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2025-01-09 03:55:58,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:58,371 INFO L225 Difference]: With dead ends: 4711 [2025-01-09 03:55:58,371 INFO L226 Difference]: Without dead ends: 2970 [2025-01-09 03:55:58,378 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 03:55:58,379 INFO L435 NwaCegarLoop]: 667 mSDtfsCounter, 128 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1325 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 03:55:58,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1325 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:58,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2970 states. [2025-01-09 03:55:58,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2970 to 2962. [2025-01-09 03:55:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2962 states, 2403 states have (on average 1.6616729088639202) internal successors, (3993), 2411 states have internal predecessors, (3993), 526 states have call successors, (526), 28 states have call predecessors, (526), 32 states have return successors, (573), 524 states have call predecessors, (573), 525 states have call successors, (573) [2025-01-09 03:55:58,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 5092 transitions. [2025-01-09 03:55:58,512 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 5092 transitions. Word has length 156 [2025-01-09 03:55:58,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:58,512 INFO L471 AbstractCegarLoop]: Abstraction has 2962 states and 5092 transitions. [2025-01-09 03:55:58,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:55:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 5092 transitions. [2025-01-09 03:55:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-01-09 03:55:58,529 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:58,529 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:58,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-09 03:55:58,530 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:58,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:58,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1794128246, now seen corresponding path program 1 times [2025-01-09 03:55:58,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:58,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111963208] [2025-01-09 03:55:58,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:58,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:58,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-01-09 03:55:58,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-01-09 03:55:58,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:58,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:55:58,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:58,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111963208] [2025-01-09 03:55:58,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111963208] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:58,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:55:58,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:55:58,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55911119] [2025-01-09 03:55:58,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:58,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:55:58,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:58,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:55:58,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:55:58,599 INFO L87 Difference]: Start difference. First operand 2962 states and 5092 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:55:58,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:58,760 INFO L93 Difference]: Finished difference Result 7089 states and 12275 transitions. [2025-01-09 03:55:58,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:55:58,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2025-01-09 03:55:58,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:58,786 INFO L225 Difference]: With dead ends: 7089 [2025-01-09 03:55:58,787 INFO L226 Difference]: Without dead ends: 4562 [2025-01-09 03:55:58,795 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 03:55:58,796 INFO L435 NwaCegarLoop]: 667 mSDtfsCounter, 126 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1325 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 03:55:58,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1325 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:58,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4562 states. [2025-01-09 03:55:58,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4562 to 4554. [2025-01-09 03:55:58,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4554 states, 3750 states have (on average 1.6696) internal successors, (6261), 3758 states have internal predecessors, (6261), 771 states have call successors, (771), 28 states have call predecessors, (771), 32 states have return successors, (844), 769 states have call predecessors, (844), 770 states have call successors, (844) [2025-01-09 03:55:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4554 states to 4554 states and 7876 transitions. [2025-01-09 03:55:59,010 INFO L78 Accepts]: Start accepts. Automaton has 4554 states and 7876 transitions. Word has length 157 [2025-01-09 03:55:59,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:59,010 INFO L471 AbstractCegarLoop]: Abstraction has 4554 states and 7876 transitions. [2025-01-09 03:55:59,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:55:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 4554 states and 7876 transitions. [2025-01-09 03:55:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-01-09 03:55:59,040 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:59,041 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:59,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-09 03:55:59,041 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:59,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:59,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1800754296, now seen corresponding path program 1 times [2025-01-09 03:55:59,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:59,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107842106] [2025-01-09 03:55:59,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:59,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:59,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 03:55:59,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 03:55:59,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:59,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:59,129 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:55:59,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:59,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107842106] [2025-01-09 03:55:59,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107842106] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:59,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:55:59,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:55:59,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709939735] [2025-01-09 03:55:59,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:59,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:55:59,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:59,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:55:59,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:55:59,130 INFO L87 Difference]: Start difference. First operand 4554 states and 7876 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:55:59,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:55:59,298 INFO L93 Difference]: Finished difference Result 11058 states and 19258 transitions. [2025-01-09 03:55:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:55:59,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2025-01-09 03:55:59,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:55:59,348 INFO L225 Difference]: With dead ends: 11058 [2025-01-09 03:55:59,348 INFO L226 Difference]: Without dead ends: 7240 [2025-01-09 03:55:59,367 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 03:55:59,367 INFO L435 NwaCegarLoop]: 684 mSDtfsCounter, 124 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1341 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 03:55:59,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1341 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:55:59,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7240 states. [2025-01-09 03:55:59,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7240 to 7232. [2025-01-09 03:55:59,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7232 states, 5935 states have (on average 1.6699241786015164) internal successors, (9911), 5943 states have internal predecessors, (9911), 1264 states have call successors, (1264), 28 states have call predecessors, (1264), 32 states have return successors, (1381), 1262 states have call predecessors, (1381), 1263 states have call successors, (1381) [2025-01-09 03:55:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7232 states to 7232 states and 12556 transitions. [2025-01-09 03:55:59,788 INFO L78 Accepts]: Start accepts. Automaton has 7232 states and 12556 transitions. Word has length 158 [2025-01-09 03:55:59,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:55:59,788 INFO L471 AbstractCegarLoop]: Abstraction has 7232 states and 12556 transitions. [2025-01-09 03:55:59,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:55:59,788 INFO L276 IsEmpty]: Start isEmpty. Operand 7232 states and 12556 transitions. [2025-01-09 03:55:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-01-09 03:55:59,824 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:55:59,824 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:55:59,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-09 03:55:59,824 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:55:59,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:55:59,825 INFO L85 PathProgramCache]: Analyzing trace with hash -2059863055, now seen corresponding path program 1 times [2025-01-09 03:55:59,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:55:59,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758017823] [2025-01-09 03:55:59,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:55:59,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:55:59,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-01-09 03:55:59,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-01-09 03:55:59,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:55:59,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:55:59,907 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-01-09 03:55:59,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:55:59,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758017823] [2025-01-09 03:55:59,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758017823] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:55:59,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:55:59,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:55:59,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572835389] [2025-01-09 03:55:59,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:55:59,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:55:59,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:55:59,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:55:59,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:55:59,910 INFO L87 Difference]: Start difference. First operand 7232 states and 12556 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 03:56:00,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:56:00,215 INFO L93 Difference]: Finished difference Result 18260 states and 31898 transitions. [2025-01-09 03:56:00,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:56:00,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 178 [2025-01-09 03:56:00,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:56:00,279 INFO L225 Difference]: With dead ends: 18260 [2025-01-09 03:56:00,279 INFO L226 Difference]: Without dead ends: 12125 [2025-01-09 03:56:00,308 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 03:56:00,309 INFO L435 NwaCegarLoop]: 676 mSDtfsCounter, 122 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1338 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 03:56:00,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1338 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:56:00,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12125 states. [2025-01-09 03:56:00,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12125 to 12117. [2025-01-09 03:56:00,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12117 states, 9998 states have (on average 1.6710342068413682) internal successors, (16707), 10006 states have internal predecessors, (16707), 2086 states have call successors, (2086), 28 states have call predecessors, (2086), 32 states have return successors, (2281), 2084 states have call predecessors, (2281), 2085 states have call successors, (2281) [2025-01-09 03:56:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12117 states to 12117 states and 21074 transitions. [2025-01-09 03:56:00,906 INFO L78 Accepts]: Start accepts. Automaton has 12117 states and 21074 transitions. Word has length 178 [2025-01-09 03:56:00,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:56:00,906 INFO L471 AbstractCegarLoop]: Abstraction has 12117 states and 21074 transitions. [2025-01-09 03:56:00,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 03:56:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 12117 states and 21074 transitions. [2025-01-09 03:56:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-01-09 03:56:00,950 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:56:00,950 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:56:00,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-09 03:56:00,951 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:56:00,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:56:00,951 INFO L85 PathProgramCache]: Analyzing trace with hash 168988149, now seen corresponding path program 1 times [2025-01-09 03:56:00,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:56:00,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646849998] [2025-01-09 03:56:00,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:56:00,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:56:00,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-01-09 03:56:00,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-01-09 03:56:00,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:56:00,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:56:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-01-09 03:56:01,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:56:01,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646849998] [2025-01-09 03:56:01,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646849998] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:56:01,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:56:01,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:56:01,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116470430] [2025-01-09 03:56:01,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:56:01,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:56:01,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:56:01,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:56:01,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:56:01,022 INFO L87 Difference]: Start difference. First operand 12117 states and 21074 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 03:56:01,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:56:01,527 INFO L93 Difference]: Finished difference Result 28980 states and 50344 transitions. [2025-01-09 03:56:01,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:56:01,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 179 [2025-01-09 03:56:01,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:56:01,599 INFO L225 Difference]: With dead ends: 28980 [2025-01-09 03:56:01,599 INFO L226 Difference]: Without dead ends: 18912 [2025-01-09 03:56:01,634 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 03:56:01,635 INFO L435 NwaCegarLoop]: 676 mSDtfsCounter, 120 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1310 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:56:01,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1310 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:56:01,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18912 states. [2025-01-09 03:56:02,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18912 to 18904. [2025-01-09 03:56:02,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18904 states, 15582 states have (on average 1.6482479784366577) internal successors, (25683), 15590 states have internal predecessors, (25683), 3289 states have call successors, (3289), 28 states have call predecessors, (3289), 32 states have return successors, (3628), 3287 states have call predecessors, (3628), 3288 states have call successors, (3628) [2025-01-09 03:56:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18904 states to 18904 states and 32600 transitions. [2025-01-09 03:56:02,659 INFO L78 Accepts]: Start accepts. Automaton has 18904 states and 32600 transitions. Word has length 179 [2025-01-09 03:56:02,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:56:02,659 INFO L471 AbstractCegarLoop]: Abstraction has 18904 states and 32600 transitions. [2025-01-09 03:56:02,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 03:56:02,660 INFO L276 IsEmpty]: Start isEmpty. Operand 18904 states and 32600 transitions. [2025-01-09 03:56:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-01-09 03:56:02,823 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:56:02,824 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:56:02,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-09 03:56:02,825 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:56:02,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:56:02,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1688503035, now seen corresponding path program 1 times [2025-01-09 03:56:02,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:56:02,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121219184] [2025-01-09 03:56:02,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:56:02,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:56:02,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 03:56:02,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 03:56:02,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:56:02,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:56:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:56:02,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:56:02,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121219184] [2025-01-09 03:56:02,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121219184] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:56:02,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:56:02,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:56:02,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755165282] [2025-01-09 03:56:02,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:56:02,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:56:02,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:56:02,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:56:02,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:56:02,916 INFO L87 Difference]: Start difference. First operand 18904 states and 32600 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:56:03,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:56:03,666 INFO L93 Difference]: Finished difference Result 49972 states and 86484 transitions. [2025-01-09 03:56:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:56:03,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2025-01-09 03:56:03,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:56:03,803 INFO L225 Difference]: With dead ends: 49972 [2025-01-09 03:56:03,803 INFO L226 Difference]: Without dead ends: 33730 [2025-01-09 03:56:03,850 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 03:56:03,850 INFO L435 NwaCegarLoop]: 667 mSDtfsCounter, 118 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1328 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 03:56:03,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1328 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:56:03,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33730 states. [2025-01-09 03:56:04,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33730 to 33722. [2025-01-09 03:56:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33722 states, 27950 states have (on average 1.6451878354203935) internal successors, (45983), 27958 states have internal predecessors, (45983), 5739 states have call successors, (5739), 28 states have call predecessors, (5739), 32 states have return successors, (6352), 5737 states have call predecessors, (6352), 5738 states have call successors, (6352) [2025-01-09 03:56:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33722 states to 33722 states and 58074 transitions. [2025-01-09 03:56:04,972 INFO L78 Accepts]: Start accepts. Automaton has 33722 states and 58074 transitions. Word has length 161 [2025-01-09 03:56:04,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:56:04,972 INFO L471 AbstractCegarLoop]: Abstraction has 33722 states and 58074 transitions. [2025-01-09 03:56:04,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:56:04,973 INFO L276 IsEmpty]: Start isEmpty. Operand 33722 states and 58074 transitions. [2025-01-09 03:56:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-01-09 03:56:05,209 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:56:05,210 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:56:05,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-09 03:56:05,210 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:56:05,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:56:05,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1666191056, now seen corresponding path program 1 times [2025-01-09 03:56:05,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:56:05,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492243128] [2025-01-09 03:56:05,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:56:05,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:56:05,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-01-09 03:56:05,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-01-09 03:56:05,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:56:05,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:56:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-09 03:56:05,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:56:05,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492243128] [2025-01-09 03:56:05,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492243128] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:56:05,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:56:05,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:56:05,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263366854] [2025-01-09 03:56:05,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:56:05,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:56:05,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:56:05,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:56:05,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:56:05,303 INFO L87 Difference]: Start difference. First operand 33722 states and 58074 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:56:06,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:56:06,764 INFO L93 Difference]: Finished difference Result 92009 states and 158911 transitions. [2025-01-09 03:56:06,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:56:06,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2025-01-09 03:56:06,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:56:07,049 INFO L225 Difference]: With dead ends: 92009 [2025-01-09 03:56:07,049 INFO L226 Difference]: Without dead ends: 61828 [2025-01-09 03:56:07,156 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 03:56:07,157 INFO L435 NwaCegarLoop]: 677 mSDtfsCounter, 116 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1339 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 03:56:07,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1339 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:56:07,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61828 states. [2025-01-09 03:56:09,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61828 to 61820. [2025-01-09 03:56:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61820 states, 51535 states have (on average 1.6409236441253516) internal successors, (84565), 51543 states have internal predecessors, (84565), 10252 states have call successors, (10252), 28 states have call predecessors, (10252), 32 states have return successors, (11397), 10250 states have call predecessors, (11397), 10251 states have call successors, (11397) [2025-01-09 03:56:09,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61820 states to 61820 states and 106214 transitions. [2025-01-09 03:56:09,743 INFO L78 Accepts]: Start accepts. Automaton has 61820 states and 106214 transitions. Word has length 162 [2025-01-09 03:56:09,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:56:09,744 INFO L471 AbstractCegarLoop]: Abstraction has 61820 states and 106214 transitions. [2025-01-09 03:56:09,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 03:56:09,744 INFO L276 IsEmpty]: Start isEmpty. Operand 61820 states and 106214 transitions. [2025-01-09 03:56:09,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-01-09 03:56:09,847 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:56:09,847 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:56:09,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-09 03:56:09,847 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:56:09,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:56:09,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1244638352, now seen corresponding path program 1 times [2025-01-09 03:56:09,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:56:09,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973831056] [2025-01-09 03:56:09,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:56:09,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:56:09,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-01-09 03:56:09,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-01-09 03:56:09,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:56:09,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:56:09,921 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-01-09 03:56:09,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:56:09,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973831056] [2025-01-09 03:56:09,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973831056] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:56:09,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:56:09,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:56:09,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790612895] [2025-01-09 03:56:09,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:56:09,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:56:09,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:56:09,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:56:09,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:56:09,924 INFO L87 Difference]: Start difference. First operand 61820 states and 106214 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 03:56:12,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:56:12,106 INFO L93 Difference]: Finished difference Result 115866 states and 199457 transitions. [2025-01-09 03:56:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:56:12,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 182 [2025-01-09 03:56:12,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:56:12,934 INFO L225 Difference]: With dead ends: 115866 [2025-01-09 03:56:12,934 INFO L226 Difference]: Without dead ends: 115613 [2025-01-09 03:56:12,974 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 03:56:12,975 INFO L435 NwaCegarLoop]: 669 mSDtfsCounter, 111 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1334 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 03:56:12,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1334 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:56:13,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115613 states. [2025-01-09 03:56:16,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115613 to 115605. [2025-01-09 03:56:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115605 states, 96952 states have (on average 1.635530984404654) internal successors, (158568), 96960 states have internal predecessors, (158568), 18620 states have call successors, (18620), 28 states have call predecessors, (18620), 32 states have return successors, (20811), 18618 states have call predecessors, (20811), 18619 states have call successors, (20811) [2025-01-09 03:56:16,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115605 states to 115605 states and 197999 transitions. [2025-01-09 03:56:16,840 INFO L78 Accepts]: Start accepts. Automaton has 115605 states and 197999 transitions. Word has length 182 [2025-01-09 03:56:16,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:56:16,841 INFO L471 AbstractCegarLoop]: Abstraction has 115605 states and 197999 transitions. [2025-01-09 03:56:16,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 03:56:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 115605 states and 197999 transitions. [2025-01-09 03:56:16,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-01-09 03:56:16,994 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:56:16,995 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:56:16,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-09 03:56:16,995 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:56:16,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:56:16,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1934017903, now seen corresponding path program 1 times [2025-01-09 03:56:16,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:56:16,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15969337] [2025-01-09 03:56:16,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:56:16,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:56:17,024 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-01-09 03:56:17,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-01-09 03:56:17,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:56:17,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:56:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-09 03:56:17,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:56:17,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15969337] [2025-01-09 03:56:17,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15969337] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:56:17,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499772952] [2025-01-09 03:56:17,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:56:17,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:56:17,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:56:17,440 INFO L229 MonitoredProcess]: Starting monitored process 7 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 03:56:17,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-09 03:56:17,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-01-09 03:56:17,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-01-09 03:56:17,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:56:17,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:56:17,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-09 03:56:17,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:56:18,136 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-09 03:56:18,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 03:56:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-09 03:56:18,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499772952] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 03:56:18,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 03:56:18,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 28 [2025-01-09 03:56:18,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467915420] [2025-01-09 03:56:18,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 03:56:18,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-09 03:56:18,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:56:18,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-09 03:56:18,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2025-01-09 03:56:18,427 INFO L87 Difference]: Start difference. First operand 115605 states and 197999 transitions. Second operand has 28 states, 26 states have (on average 10.038461538461538) internal successors, (261), 24 states have internal predecessors, (261), 9 states have call successors, (54), 8 states have call predecessors, (54), 12 states have return successors, (47), 11 states have call predecessors, (47), 9 states have call successors, (47) [2025-01-09 03:56:36,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:56:36,267 INFO L93 Difference]: Finished difference Result 461089 states and 813561 transitions. [2025-01-09 03:56:36,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-09 03:56:36,267 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 10.038461538461538) internal successors, (261), 24 states have internal predecessors, (261), 9 states have call successors, (54), 8 states have call predecessors, (54), 12 states have return successors, (47), 11 states have call predecessors, (47), 9 states have call successors, (47) Word has length 164 [2025-01-09 03:56:36,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:56:38,456 INFO L225 Difference]: With dead ends: 461089 [2025-01-09 03:56:38,456 INFO L226 Difference]: Without dead ends: 460840 [2025-01-09 03:56:38,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3484 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1363, Invalid=11293, Unknown=0, NotChecked=0, Total=12656 [2025-01-09 03:56:38,664 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 9474 mSDsluCounter, 5286 mSDsCounter, 0 mSdLazyCounter, 14236 mSolverCounterSat, 3136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9551 SdHoareTripleChecker+Valid, 5547 SdHoareTripleChecker+Invalid, 17372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3136 IncrementalHoareTripleChecker+Valid, 14236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2025-01-09 03:56:38,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9551 Valid, 5547 Invalid, 17372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3136 Valid, 14236 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2025-01-09 03:56:38,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460840 states.