./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec1_product29.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63bdee5cc43e6d0ce6e1fd7ff8178b7d4c48f0f239c647cbda6fb7b36603cc42 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:08:02,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:08:02,682 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:08:02,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:08:02,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:08:02,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:08:02,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:08:02,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:08:02,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:08:02,710 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:08:02,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:08:02,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:08:02,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:08:02,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:08:02,711 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:08:02,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:08:02,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:08:02,712 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:08:02,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:08:02,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:08:02,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:08:02,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:08:02,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:08:02,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:08:02,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:08:02,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:08:02,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:08:02,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:08:02,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:08:02,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:08:02,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:08:02,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:08:02,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:08:02,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:08:02,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:08:02,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:08:02,722 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:08:02,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:08:02,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:08:02,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:08:02,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:08:02,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:08:02,723 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63bdee5cc43e6d0ce6e1fd7ff8178b7d4c48f0f239c647cbda6fb7b36603cc42 [2024-11-18 14:08:02,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:08:02,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:08:02,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:08:02,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:08:02,957 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:08:02,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product29.cil.c [2024-11-18 14:08:04,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:08:04,579 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:08:04,580 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c [2024-11-18 14:08:04,596 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5173c13aa/b14b01e03d3f47b5b11304aede344ec5/FLAG84140870e [2024-11-18 14:08:04,609 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5173c13aa/b14b01e03d3f47b5b11304aede344ec5 [2024-11-18 14:08:04,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:08:04,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:08:04,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:08:04,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:08:04,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:08:04,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:08:04" (1/1) ... [2024-11-18 14:08:04,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3d95f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:04, skipping insertion in model container [2024-11-18 14:08:04,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:08:04" (1/1) ... [2024-11-18 14:08:04,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:08:05,111 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c[32754,32767] [2024-11-18 14:08:05,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:08:05,262 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:08:05,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-18 14:08:05,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [460] [2024-11-18 14:08:05,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] [2024-11-18 14:08:05,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1051] [2024-11-18 14:08:05,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1201] [2024-11-18 14:08:05,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1499] [2024-11-18 14:08:05,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1508] [2024-11-18 14:08:05,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2578] [2024-11-18 14:08:05,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [2613] [2024-11-18 14:08:05,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2641] [2024-11-18 14:08:05,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2658] [2024-11-18 14:08:05,332 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c[32754,32767] [2024-11-18 14:08:05,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:08:05,409 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:08:05,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05 WrapperNode [2024-11-18 14:08:05,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:08:05,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:08:05,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:08:05,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:08:05,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,485 INFO L138 Inliner]: procedures = 131, calls = 211, calls flagged for inlining = 55, calls inlined = 47, statements flattened = 923 [2024-11-18 14:08:05,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:08:05,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:08:05,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:08:05,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:08:05,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,510 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,543 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-18 14:08:05,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:08:05,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:08:05,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:08:05,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:08:05,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (1/1) ... [2024-11-18 14:08:05,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:08:05,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:08:05,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 14:08:05,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 14:08:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-18 14:08:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-18 14:08:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-18 14:08:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-18 14:08:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-18 14:08:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-18 14:08:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-18 14:08:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-18 14:08:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-18 14:08:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-18 14:08:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-18 14:08:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-18 14:08:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-18 14:08:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-18 14:08:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-18 14:08:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-18 14:08:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-18 14:08:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-18 14:08:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-18 14:08:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-18 14:08:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-18 14:08:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-18 14:08:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-18 14:08:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-18 14:08:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-18 14:08:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-18 14:08:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-18 14:08:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-18 14:08:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:08:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-18 14:08:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-18 14:08:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-18 14:08:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-18 14:08:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-18 14:08:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-18 14:08:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-18 14:08:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-18 14:08:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-18 14:08:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-18 14:08:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-18 14:08:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-18 14:08:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-18 14:08:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-18 14:08:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-18 14:08:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-18 14:08:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-18 14:08:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-18 14:08:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-18 14:08:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-18 14:08:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-18 14:08:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-18 14:08:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-18 14:08:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-18 14:08:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:08:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:08:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:08:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:08:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-18 14:08:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-18 14:08:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-18 14:08:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-18 14:08:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:08:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:08:05,915 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:08:05,919 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:08:06,749 INFO L? ?]: Removed 502 outVars from TransFormulas that were not future-live. [2024-11-18 14:08:06,749 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:08:06,775 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:08:06,776 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 14:08:06,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:08:06 BoogieIcfgContainer [2024-11-18 14:08:06,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:08:06,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:08:06,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:08:06,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:08:06,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:08:04" (1/3) ... [2024-11-18 14:08:06,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448f4b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:08:06, skipping insertion in model container [2024-11-18 14:08:06,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:05" (2/3) ... [2024-11-18 14:08:06,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448f4b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:08:06, skipping insertion in model container [2024-11-18 14:08:06,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:08:06" (3/3) ... [2024-11-18 14:08:06,785 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product29.cil.c [2024-11-18 14:08:06,802 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:08:06,803 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:08:06,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:08:06,879 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;@286d5201, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:08:06,880 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:08:06,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 315 states have (on average 1.5555555555555556) internal successors, (490), 320 states have internal predecessors, (490), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-18 14:08:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-18 14:08:06,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:06,907 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:06,908 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:06,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:06,957 INFO L85 PathProgramCache]: Analyzing trace with hash 200038821, now seen corresponding path program 1 times [2024-11-18 14:08:06,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:06,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923730899] [2024-11-18 14:08:06,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:06,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:07,587 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-18 14:08:07,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:07,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923730899] [2024-11-18 14:08:07,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923730899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:08:07,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523537679] [2024-11-18 14:08:07,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:07,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:08:07,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:08:07,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:08:07,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 14:08:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:07,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 14:08:07,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:08:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-18 14:08:07,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:08:07,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523537679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:07,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:08:07,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-18 14:08:07,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979701090] [2024-11-18 14:08:07,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:07,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:08:07,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:07,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:08:07,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:08:07,982 INFO L87 Difference]: Start difference. First operand has 408 states, 315 states have (on average 1.5555555555555556) internal successors, (490), 320 states have internal predecessors, (490), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:08,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:08,040 INFO L93 Difference]: Finished difference Result 628 states and 930 transitions. [2024-11-18 14:08:08,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:08:08,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2024-11-18 14:08:08,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:08,060 INFO L225 Difference]: With dead ends: 628 [2024-11-18 14:08:08,060 INFO L226 Difference]: Without dead ends: 401 [2024-11-18 14:08:08,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:08:08,071 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:08,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:08,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-18 14:08:08,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2024-11-18 14:08:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 309 states have (on average 1.5501618122977345) internal successors, (479), 313 states have internal predecessors, (479), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-18 14:08:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 604 transitions. [2024-11-18 14:08:08,168 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 604 transitions. Word has length 110 [2024-11-18 14:08:08,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:08,170 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 604 transitions. [2024-11-18 14:08:08,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:08,170 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 604 transitions. [2024-11-18 14:08:08,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-18 14:08:08,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:08,175 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:08,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 14:08:08,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 14:08:08,380 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:08,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:08,381 INFO L85 PathProgramCache]: Analyzing trace with hash 2069503229, now seen corresponding path program 1 times [2024-11-18 14:08:08,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:08,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395853486] [2024-11-18 14:08:08,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:08,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-18 14:08:08,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:08,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395853486] [2024-11-18 14:08:08,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395853486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:08:08,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625279574] [2024-11-18 14:08:08,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:08,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:08:08,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:08:08,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:08:08,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 14:08:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:08,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-18 14:08:08,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:08:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-18 14:08:08,886 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:08:08,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625279574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:08,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:08:08,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-18 14:08:08,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060963620] [2024-11-18 14:08:08,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:08,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:08,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:08,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:08,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:08:08,889 INFO L87 Difference]: Start difference. First operand 401 states and 604 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:08,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:08,933 INFO L93 Difference]: Finished difference Result 618 states and 908 transitions. [2024-11-18 14:08:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:08,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 111 [2024-11-18 14:08:08,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:08,941 INFO L225 Difference]: With dead ends: 618 [2024-11-18 14:08:08,942 INFO L226 Difference]: Without dead ends: 404 [2024-11-18 14:08:08,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:08:08,944 INFO L432 NwaCegarLoop]: 602 mSDtfsCounter, 1 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:08,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1202 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:08,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-18 14:08:08,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 403. [2024-11-18 14:08:08,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 311 states have (on average 1.5466237942122187) internal successors, (481), 315 states have internal predecessors, (481), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-18 14:08:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 606 transitions. [2024-11-18 14:08:08,978 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 606 transitions. Word has length 111 [2024-11-18 14:08:08,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:08,979 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 606 transitions. [2024-11-18 14:08:08,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 606 transitions. [2024-11-18 14:08:08,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-18 14:08:08,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:08,983 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:08,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 14:08:09,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-18 14:08:09,184 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:09,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:09,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1371713996, now seen corresponding path program 1 times [2024-11-18 14:08:09,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:09,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263152914] [2024-11-18 14:08:09,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:09,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-18 14:08:09,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:09,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263152914] [2024-11-18 14:08:09,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263152914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:08:09,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529809267] [2024-11-18 14:08:09,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:09,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:08:09,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:08:09,357 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:08:09,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 14:08:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:09,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:08:09,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:08:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-18 14:08:09,645 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:08:09,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529809267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:09,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:08:09,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-18 14:08:09,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66989073] [2024-11-18 14:08:09,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:09,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:09,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:09,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:09,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:08:09,650 INFO L87 Difference]: Start difference. First operand 403 states and 606 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:09,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:09,696 INFO L93 Difference]: Finished difference Result 849 states and 1296 transitions. [2024-11-18 14:08:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:09,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2024-11-18 14:08:09,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:09,701 INFO L225 Difference]: With dead ends: 849 [2024-11-18 14:08:09,702 INFO L226 Difference]: Without dead ends: 473 [2024-11-18 14:08:09,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:08:09,705 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 126 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:09,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1172 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:09,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-18 14:08:09,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 465. [2024-11-18 14:08:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 359 states have (on average 1.565459610027855) internal successors, (562), 363 states have internal predecessors, (562), 77 states have call successors, (77), 28 states have call predecessors, (77), 28 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-18 14:08:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 715 transitions. [2024-11-18 14:08:09,732 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 715 transitions. Word has length 117 [2024-11-18 14:08:09,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:09,733 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 715 transitions. [2024-11-18 14:08:09,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:09,734 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 715 transitions. [2024-11-18 14:08:09,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-18 14:08:09,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:09,737 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:09,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-18 14:08:09,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:08:09,938 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:09,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:09,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1753537624, now seen corresponding path program 1 times [2024-11-18 14:08:09,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:09,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035651209] [2024-11-18 14:08:09,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:09,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-18 14:08:10,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:10,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035651209] [2024-11-18 14:08:10,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035651209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:08:10,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995894664] [2024-11-18 14:08:10,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:10,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:08:10,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:08:10,108 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:08:10,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-18 14:08:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:10,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 14:08:10,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:08:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-18 14:08:10,422 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:08:10,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995894664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:10,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:08:10,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-18 14:08:10,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755370588] [2024-11-18 14:08:10,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:10,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:08:10,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:10,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:08:10,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:08:10,424 INFO L87 Difference]: Start difference. First operand 465 states and 715 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:10,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:10,482 INFO L93 Difference]: Finished difference Result 921 states and 1420 transitions. [2024-11-18 14:08:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:08:10,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 118 [2024-11-18 14:08:10,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:10,487 INFO L225 Difference]: With dead ends: 921 [2024-11-18 14:08:10,487 INFO L226 Difference]: Without dead ends: 467 [2024-11-18 14:08:10,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:08:10,491 INFO L432 NwaCegarLoop]: 596 mSDtfsCounter, 2 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2373 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:10,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2373 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:10,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-18 14:08:10,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2024-11-18 14:08:10,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 360 states have (on average 1.5638888888888889) internal successors, (563), 365 states have internal predecessors, (563), 77 states have call successors, (77), 28 states have call predecessors, (77), 29 states have return successors, (78), 75 states have call predecessors, (78), 76 states have call successors, (78) [2024-11-18 14:08:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 718 transitions. [2024-11-18 14:08:10,515 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 718 transitions. Word has length 118 [2024-11-18 14:08:10,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:10,515 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 718 transitions. [2024-11-18 14:08:10,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:10,516 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 718 transitions. [2024-11-18 14:08:10,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-18 14:08:10,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:10,518 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:10,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-18 14:08:10,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:08:10,719 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:10,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:10,719 INFO L85 PathProgramCache]: Analyzing trace with hash 216663936, now seen corresponding path program 1 times [2024-11-18 14:08:10,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:10,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317457577] [2024-11-18 14:08:10,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:10,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-18 14:08:10,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:10,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317457577] [2024-11-18 14:08:10,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317457577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:08:10,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998221175] [2024-11-18 14:08:10,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:10,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:08:10,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:08:10,849 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:08:10,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-18 14:08:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:11,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 14:08:11,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:08:11,141 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-18 14:08:11,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:08:11,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998221175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:11,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:08:11,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-18 14:08:11,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930488899] [2024-11-18 14:08:11,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:11,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:08:11,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:11,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:08:11,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-18 14:08:11,143 INFO L87 Difference]: Start difference. First operand 467 states and 718 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:11,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:11,203 INFO L93 Difference]: Finished difference Result 923 states and 1425 transitions. [2024-11-18 14:08:11,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:08:11,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 119 [2024-11-18 14:08:11,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:11,206 INFO L225 Difference]: With dead ends: 923 [2024-11-18 14:08:11,206 INFO L226 Difference]: Without dead ends: 469 [2024-11-18 14:08:11,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-18 14:08:11,209 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 2 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:11,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2359 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:11,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-18 14:08:11,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2024-11-18 14:08:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 361 states have (on average 1.5623268698060941) internal successors, (564), 367 states have internal predecessors, (564), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2024-11-18 14:08:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 724 transitions. [2024-11-18 14:08:11,224 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 724 transitions. Word has length 119 [2024-11-18 14:08:11,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:11,225 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 724 transitions. [2024-11-18 14:08:11,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:11,225 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 724 transitions. [2024-11-18 14:08:11,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-18 14:08:11,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:11,227 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:11,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-18 14:08:11,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:08:11,429 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:11,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:11,430 INFO L85 PathProgramCache]: Analyzing trace with hash -976365313, now seen corresponding path program 1 times [2024-11-18 14:08:11,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:11,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015469627] [2024-11-18 14:08:11,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:11,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-18 14:08:11,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:11,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015469627] [2024-11-18 14:08:11,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015469627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:11,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:11,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:08:11,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028757973] [2024-11-18 14:08:11,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:11,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:08:11,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:11,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:08:11,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:08:11,580 INFO L87 Difference]: Start difference. First operand 469 states and 724 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:11,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:11,633 INFO L93 Difference]: Finished difference Result 915 states and 1416 transitions. [2024-11-18 14:08:11,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:08:11,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 120 [2024-11-18 14:08:11,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:11,639 INFO L225 Difference]: With dead ends: 915 [2024-11-18 14:08:11,640 INFO L226 Difference]: Without dead ends: 469 [2024-11-18 14:08:11,645 INFO L431 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 [2024-11-18 14:08:11,645 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 2 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2377 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 [2024-11-18 14:08:11,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2377 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:11,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-18 14:08:11,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2024-11-18 14:08:11,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 361 states have (on average 1.5623268698060941) internal successors, (564), 367 states have internal predecessors, (564), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (82), 75 states have call predecessors, (82), 76 states have call successors, (82) [2024-11-18 14:08:11,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 723 transitions. [2024-11-18 14:08:11,673 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 723 transitions. Word has length 120 [2024-11-18 14:08:11,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:11,674 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 723 transitions. [2024-11-18 14:08:11,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 723 transitions. [2024-11-18 14:08:11,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-18 14:08:11,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:11,676 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:11,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 14:08:11,677 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:11,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:11,678 INFO L85 PathProgramCache]: Analyzing trace with hash 467394809, now seen corresponding path program 2 times [2024-11-18 14:08:11,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:11,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820626560] [2024-11-18 14:08:11,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 14:08:11,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:11,707 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-18 14:08:11,708 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 14:08:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-18 14:08:11,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:11,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820626560] [2024-11-18 14:08:11,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820626560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:11,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:11,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:08:11,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604931974] [2024-11-18 14:08:11,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:11,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:08:11,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:11,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:08:11,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:08:11,787 INFO L87 Difference]: Start difference. First operand 469 states and 723 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:11,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:11,841 INFO L93 Difference]: Finished difference Result 913 states and 1411 transitions. [2024-11-18 14:08:11,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:08:11,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2024-11-18 14:08:11,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:11,845 INFO L225 Difference]: With dead ends: 913 [2024-11-18 14:08:11,845 INFO L226 Difference]: Without dead ends: 469 [2024-11-18 14:08:11,847 INFO L431 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 [2024-11-18 14:08:11,848 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 2 mSDsluCounter, 1768 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2363 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 [2024-11-18 14:08:11,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2363 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:11,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-18 14:08:11,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2024-11-18 14:08:11,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 361 states have (on average 1.5623268698060941) internal successors, (564), 367 states have internal predecessors, (564), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (81), 75 states have call predecessors, (81), 76 states have call successors, (81) [2024-11-18 14:08:11,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 722 transitions. [2024-11-18 14:08:11,866 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 722 transitions. Word has length 121 [2024-11-18 14:08:11,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:11,868 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 722 transitions. [2024-11-18 14:08:11,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 722 transitions. [2024-11-18 14:08:11,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-18 14:08:11,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:11,870 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:11,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 14:08:11,871 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:11,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:11,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1368149030, now seen corresponding path program 3 times [2024-11-18 14:08:11,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:11,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529210768] [2024-11-18 14:08:11,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-18 14:08:11,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:11,905 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-18 14:08:11,905 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 14:08:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-18 14:08:11,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:11,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529210768] [2024-11-18 14:08:11,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529210768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:11,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:11,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:08:11,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609711780] [2024-11-18 14:08:11,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:11,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:08:11,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:11,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:08:11,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:08:11,981 INFO L87 Difference]: Start difference. First operand 469 states and 722 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:12,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:12,028 INFO L93 Difference]: Finished difference Result 915 states and 1417 transitions. [2024-11-18 14:08:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:08:12,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2024-11-18 14:08:12,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:12,032 INFO L225 Difference]: With dead ends: 915 [2024-11-18 14:08:12,032 INFO L226 Difference]: Without dead ends: 471 [2024-11-18 14:08:12,034 INFO L431 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 [2024-11-18 14:08:12,035 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 1 mSDsluCounter, 1776 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2374 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:12,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2374 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-18 14:08:12,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2024-11-18 14:08:12,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 362 states have (on average 1.5607734806629834) internal successors, (565), 369 states have internal predecessors, (565), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (86), 75 states have call predecessors, (86), 76 states have call successors, (86) [2024-11-18 14:08:12,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 728 transitions. [2024-11-18 14:08:12,055 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 728 transitions. Word has length 122 [2024-11-18 14:08:12,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:12,056 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 728 transitions. [2024-11-18 14:08:12,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 728 transitions. [2024-11-18 14:08:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-18 14:08:12,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:12,059 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:12,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 14:08:12,060 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:12,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:12,060 INFO L85 PathProgramCache]: Analyzing trace with hash -996722060, now seen corresponding path program 1 times [2024-11-18 14:08:12,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:12,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674754347] [2024-11-18 14:08:12,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:12,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:12,180 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-18 14:08:12,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:12,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674754347] [2024-11-18 14:08:12,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674754347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:12,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:12,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:08:12,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515774616] [2024-11-18 14:08:12,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:12,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:08:12,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:12,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:08:12,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:08:12,184 INFO L87 Difference]: Start difference. First operand 471 states and 728 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:12,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:12,224 INFO L93 Difference]: Finished difference Result 921 states and 1427 transitions. [2024-11-18 14:08:12,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:08:12,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2024-11-18 14:08:12,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:12,228 INFO L225 Difference]: With dead ends: 921 [2024-11-18 14:08:12,229 INFO L226 Difference]: Without dead ends: 473 [2024-11-18 14:08:12,230 INFO L431 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 [2024-11-18 14:08:12,231 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 1 mSDsluCounter, 1782 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2380 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:12,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2380 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:12,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-18 14:08:12,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2024-11-18 14:08:12,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 363 states have (on average 1.559228650137741) internal successors, (566), 371 states have internal predecessors, (566), 77 states have call successors, (77), 28 states have call predecessors, (77), 32 states have return successors, (88), 75 states have call predecessors, (88), 76 states have call successors, (88) [2024-11-18 14:08:12,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 731 transitions. [2024-11-18 14:08:12,260 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 731 transitions. Word has length 123 [2024-11-18 14:08:12,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:12,261 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 731 transitions. [2024-11-18 14:08:12,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-18 14:08:12,262 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 731 transitions. [2024-11-18 14:08:12,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 14:08:12,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:12,264 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:12,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 14:08:12,264 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:12,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:12,265 INFO L85 PathProgramCache]: Analyzing trace with hash -80680299, now seen corresponding path program 1 times [2024-11-18 14:08:12,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:12,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853138516] [2024-11-18 14:08:12,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:12,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:12,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:12,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853138516] [2024-11-18 14:08:12,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853138516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:08:12,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538062155] [2024-11-18 14:08:12,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:12,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:08:12,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:08:12,358 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:08:12,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-18 14:08:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:12,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 14:08:12,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:08:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:12,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 14:08:12,700 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:12,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538062155] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 14:08:12,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 14:08:12,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-18 14:08:12,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560196923] [2024-11-18 14:08:12,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 14:08:12,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 14:08:12,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:12,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 14:08:12,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:08:12,704 INFO L87 Difference]: Start difference. First operand 473 states and 731 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-18 14:08:12,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:12,842 INFO L93 Difference]: Finished difference Result 1104 states and 1765 transitions. [2024-11-18 14:08:12,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:08:12,843 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 124 [2024-11-18 14:08:12,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:12,848 INFO L225 Difference]: With dead ends: 1104 [2024-11-18 14:08:12,849 INFO L226 Difference]: Without dead ends: 890 [2024-11-18 14:08:12,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:08:12,851 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 535 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 1835 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:12,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 1835 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:08:12,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2024-11-18 14:08:12,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 866. [2024-11-18 14:08:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 677 states have (on average 1.6233382570162482) internal successors, (1099), 685 states have internal predecessors, (1099), 156 states have call successors, (156), 28 states have call predecessors, (156), 32 states have return successors, (177), 154 states have call predecessors, (177), 155 states have call successors, (177) [2024-11-18 14:08:12,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1432 transitions. [2024-11-18 14:08:12,878 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1432 transitions. Word has length 124 [2024-11-18 14:08:12,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:12,879 INFO L471 AbstractCegarLoop]: Abstraction has 866 states and 1432 transitions. [2024-11-18 14:08:12,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-18 14:08:12,879 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1432 transitions. [2024-11-18 14:08:12,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-18 14:08:12,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:12,884 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:12,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-18 14:08:13,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:08:13,085 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:13,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:13,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2109445240, now seen corresponding path program 1 times [2024-11-18 14:08:13,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:13,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459998661] [2024-11-18 14:08:13,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:13,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:13,132 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:13,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:13,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459998661] [2024-11-18 14:08:13,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459998661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:13,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:13,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:08:13,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581077409] [2024-11-18 14:08:13,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:13,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:13,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:13,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:13,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:08:13,133 INFO L87 Difference]: Start difference. First operand 866 states and 1432 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:13,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:13,179 INFO L93 Difference]: Finished difference Result 2062 states and 3461 transitions. [2024-11-18 14:08:13,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:13,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-11-18 14:08:13,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:13,185 INFO L225 Difference]: With dead ends: 2062 [2024-11-18 14:08:13,186 INFO L226 Difference]: Without dead ends: 1264 [2024-11-18 14:08:13,188 INFO L431 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 [2024-11-18 14:08:13,188 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 124 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:13,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1216 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:13,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2024-11-18 14:08:13,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1256. [2024-11-18 14:08:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 988 states have (on average 1.638663967611336) internal successors, (1619), 996 states have internal predecessors, (1619), 235 states have call successors, (235), 28 states have call predecessors, (235), 32 states have return successors, (266), 233 states have call predecessors, (266), 234 states have call successors, (266) [2024-11-18 14:08:13,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2120 transitions. [2024-11-18 14:08:13,223 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2120 transitions. Word has length 130 [2024-11-18 14:08:13,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:13,224 INFO L471 AbstractCegarLoop]: Abstraction has 1256 states and 2120 transitions. [2024-11-18 14:08:13,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:13,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2120 transitions. [2024-11-18 14:08:13,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-18 14:08:13,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:13,229 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:13,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 14:08:13,229 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:13,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:13,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1357642265, now seen corresponding path program 1 times [2024-11-18 14:08:13,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:13,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676486362] [2024-11-18 14:08:13,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:13,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:13,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:13,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676486362] [2024-11-18 14:08:13,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676486362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:13,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:13,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:08:13,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662131401] [2024-11-18 14:08:13,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:13,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:13,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:13,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:13,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:08:13,280 INFO L87 Difference]: Start difference. First operand 1256 states and 2120 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:13,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:13,330 INFO L93 Difference]: Finished difference Result 3011 states and 5119 transitions. [2024-11-18 14:08:13,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:13,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-11-18 14:08:13,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:13,341 INFO L225 Difference]: With dead ends: 3011 [2024-11-18 14:08:13,341 INFO L226 Difference]: Without dead ends: 1876 [2024-11-18 14:08:13,346 INFO L431 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 [2024-11-18 14:08:13,346 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 122 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:13,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1208 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:13,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2024-11-18 14:08:13,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1868. [2024-11-18 14:08:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1868 states, 1481 states have (on average 1.648885887913572) internal successors, (2442), 1489 states have internal predecessors, (2442), 354 states have call successors, (354), 28 states have call predecessors, (354), 32 states have return successors, (385), 352 states have call predecessors, (385), 353 states have call successors, (385) [2024-11-18 14:08:13,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 3181 transitions. [2024-11-18 14:08:13,414 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 3181 transitions. Word has length 131 [2024-11-18 14:08:13,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:13,414 INFO L471 AbstractCegarLoop]: Abstraction has 1868 states and 3181 transitions. [2024-11-18 14:08:13,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:13,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3181 transitions. [2024-11-18 14:08:13,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-18 14:08:13,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:13,423 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:13,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 14:08:13,423 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:13,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:13,424 INFO L85 PathProgramCache]: Analyzing trace with hash -489327690, now seen corresponding path program 1 times [2024-11-18 14:08:13,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:13,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902103326] [2024-11-18 14:08:13,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:13,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:13,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:13,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902103326] [2024-11-18 14:08:13,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902103326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:13,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:13,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:08:13,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248463218] [2024-11-18 14:08:13,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:13,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:13,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:13,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:13,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:08:13,488 INFO L87 Difference]: Start difference. First operand 1868 states and 3181 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:13,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:13,592 INFO L93 Difference]: Finished difference Result 4436 states and 7619 transitions. [2024-11-18 14:08:13,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:13,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-11-18 14:08:13,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:13,608 INFO L225 Difference]: With dead ends: 4436 [2024-11-18 14:08:13,608 INFO L226 Difference]: Without dead ends: 2814 [2024-11-18 14:08:13,615 INFO L431 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 [2024-11-18 14:08:13,616 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 120 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:13,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1197 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:13,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2024-11-18 14:08:13,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2806. [2024-11-18 14:08:13,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 2257 states have (on average 1.6570669029685423) internal successors, (3740), 2265 states have internal predecessors, (3740), 516 states have call successors, (516), 28 states have call predecessors, (516), 32 states have return successors, (563), 514 states have call predecessors, (563), 515 states have call successors, (563) [2024-11-18 14:08:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 4819 transitions. [2024-11-18 14:08:13,723 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 4819 transitions. Word has length 132 [2024-11-18 14:08:13,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:13,723 INFO L471 AbstractCegarLoop]: Abstraction has 2806 states and 4819 transitions. [2024-11-18 14:08:13,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:13,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 4819 transitions. [2024-11-18 14:08:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-18 14:08:13,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:13,735 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:13,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 14:08:13,735 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:13,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:13,736 INFO L85 PathProgramCache]: Analyzing trace with hash 414249670, now seen corresponding path program 1 times [2024-11-18 14:08:13,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:13,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717706381] [2024-11-18 14:08:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:13,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:13,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:13,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717706381] [2024-11-18 14:08:13,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717706381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:13,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:13,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:08:13,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421515341] [2024-11-18 14:08:13,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:13,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:13,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:13,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:13,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:08:13,787 INFO L87 Difference]: Start difference. First operand 2806 states and 4819 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:13,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:13,933 INFO L93 Difference]: Finished difference Result 6685 states and 11571 transitions. [2024-11-18 14:08:13,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:13,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2024-11-18 14:08:13,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:13,956 INFO L225 Difference]: With dead ends: 6685 [2024-11-18 14:08:13,956 INFO L226 Difference]: Without dead ends: 4329 [2024-11-18 14:08:13,966 INFO L431 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 [2024-11-18 14:08:13,966 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 118 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:13,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1197 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:13,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4329 states. [2024-11-18 14:08:14,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4329 to 4321. [2024-11-18 14:08:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4321 states, 3527 states have (on average 1.6628863056421888) internal successors, (5865), 3535 states have internal predecessors, (5865), 761 states have call successors, (761), 28 states have call predecessors, (761), 32 states have return successors, (834), 759 states have call predecessors, (834), 760 states have call successors, (834) [2024-11-18 14:08:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 4321 states and 7460 transitions. [2024-11-18 14:08:14,132 INFO L78 Accepts]: Start accepts. Automaton has 4321 states and 7460 transitions. Word has length 133 [2024-11-18 14:08:14,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:14,132 INFO L471 AbstractCegarLoop]: Abstraction has 4321 states and 7460 transitions. [2024-11-18 14:08:14,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 4321 states and 7460 transitions. [2024-11-18 14:08:14,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-18 14:08:14,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:14,146 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:14,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 14:08:14,147 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:14,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:14,147 INFO L85 PathProgramCache]: Analyzing trace with hash -708917478, now seen corresponding path program 1 times [2024-11-18 14:08:14,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:14,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936063176] [2024-11-18 14:08:14,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:14,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:14,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:14,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936063176] [2024-11-18 14:08:14,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936063176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:14,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:14,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:08:14,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543295937] [2024-11-18 14:08:14,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:14,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:14,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:14,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:14,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:08:14,197 INFO L87 Difference]: Start difference. First operand 4321 states and 7460 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:14,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:14,351 INFO L93 Difference]: Finished difference Result 10701 states and 18583 transitions. [2024-11-18 14:08:14,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:14,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2024-11-18 14:08:14,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:14,398 INFO L225 Difference]: With dead ends: 10701 [2024-11-18 14:08:14,398 INFO L226 Difference]: Without dead ends: 7062 [2024-11-18 14:08:14,413 INFO L431 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 [2024-11-18 14:08:14,413 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 116 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:14,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1220 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:14,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7062 states. [2024-11-18 14:08:14,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7062 to 7054. [2024-11-18 14:08:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7054 states, 5767 states have (on average 1.6594416507716316) internal successors, (9570), 5775 states have internal predecessors, (9570), 1254 states have call successors, (1254), 28 states have call predecessors, (1254), 32 states have return successors, (1371), 1252 states have call predecessors, (1371), 1253 states have call successors, (1371) [2024-11-18 14:08:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7054 states to 7054 states and 12195 transitions. [2024-11-18 14:08:14,692 INFO L78 Accepts]: Start accepts. Automaton has 7054 states and 12195 transitions. Word has length 134 [2024-11-18 14:08:14,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:14,693 INFO L471 AbstractCegarLoop]: Abstraction has 7054 states and 12195 transitions. [2024-11-18 14:08:14,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 7054 states and 12195 transitions. [2024-11-18 14:08:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-18 14:08:14,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:14,716 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:14,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-18 14:08:14,716 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:14,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:14,716 INFO L85 PathProgramCache]: Analyzing trace with hash 386682722, now seen corresponding path program 1 times [2024-11-18 14:08:14,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:14,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825332026] [2024-11-18 14:08:14,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:14,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:14,764 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:14,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:14,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825332026] [2024-11-18 14:08:14,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825332026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:14,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:14,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:08:14,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469401428] [2024-11-18 14:08:14,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:14,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:14,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:14,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:14,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:08:14,767 INFO L87 Difference]: Start difference. First operand 7054 states and 12195 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:15,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:15,036 INFO L93 Difference]: Finished difference Result 17841 states and 31044 transitions. [2024-11-18 14:08:15,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:15,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 135 [2024-11-18 14:08:15,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:15,087 INFO L225 Difference]: With dead ends: 17841 [2024-11-18 14:08:15,087 INFO L226 Difference]: Without dead ends: 11846 [2024-11-18 14:08:15,114 INFO L431 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 [2024-11-18 14:08:15,115 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 114 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:15,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1210 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:15,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11846 states. [2024-11-18 14:08:15,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11846 to 11838. [2024-11-18 14:08:15,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11838 states, 9729 states have (on average 1.659780039058485) internal successors, (16148), 9737 states have internal predecessors, (16148), 2076 states have call successors, (2076), 28 states have call predecessors, (2076), 32 states have return successors, (2271), 2074 states have call predecessors, (2271), 2075 states have call successors, (2271) [2024-11-18 14:08:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11838 states to 11838 states and 20495 transitions. [2024-11-18 14:08:15,683 INFO L78 Accepts]: Start accepts. Automaton has 11838 states and 20495 transitions. Word has length 135 [2024-11-18 14:08:15,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:15,683 INFO L471 AbstractCegarLoop]: Abstraction has 11838 states and 20495 transitions. [2024-11-18 14:08:15,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 11838 states and 20495 transitions. [2024-11-18 14:08:15,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-18 14:08:15,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:15,781 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:15,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-18 14:08:15,782 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:15,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:15,782 INFO L85 PathProgramCache]: Analyzing trace with hash 509010040, now seen corresponding path program 1 times [2024-11-18 14:08:15,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:15,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153913703] [2024-11-18 14:08:15,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:15,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:15,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:15,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153913703] [2024-11-18 14:08:15,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153913703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:15,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:15,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:08:15,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455921542] [2024-11-18 14:08:15,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:15,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:15,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:15,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:15,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:08:15,847 INFO L87 Difference]: Start difference. First operand 11838 states and 20495 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:16,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:16,252 INFO L93 Difference]: Finished difference Result 28274 states and 48888 transitions. [2024-11-18 14:08:16,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:16,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2024-11-18 14:08:16,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:16,324 INFO L225 Difference]: With dead ends: 28274 [2024-11-18 14:08:16,325 INFO L226 Difference]: Without dead ends: 18439 [2024-11-18 14:08:16,357 INFO L431 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 [2024-11-18 14:08:16,357 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 112 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:16,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1174 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:16,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18439 states. [2024-11-18 14:08:16,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18439 to 18431. [2024-11-18 14:08:17,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18431 states, 15119 states have (on average 1.6346319201005357) internal successors, (24714), 15127 states have internal predecessors, (24714), 3279 states have call successors, (3279), 28 states have call predecessors, (3279), 32 states have return successors, (3618), 3277 states have call predecessors, (3618), 3278 states have call successors, (3618) [2024-11-18 14:08:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18431 states to 18431 states and 31611 transitions. [2024-11-18 14:08:17,118 INFO L78 Accepts]: Start accepts. Automaton has 18431 states and 31611 transitions. Word has length 136 [2024-11-18 14:08:17,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:17,119 INFO L471 AbstractCegarLoop]: Abstraction has 18431 states and 31611 transitions. [2024-11-18 14:08:17,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:17,119 INFO L276 IsEmpty]: Start isEmpty. Operand 18431 states and 31611 transitions. [2024-11-18 14:08:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-18 14:08:17,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:17,155 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:17,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 14:08:17,156 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:17,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:17,156 INFO L85 PathProgramCache]: Analyzing trace with hash 623180961, now seen corresponding path program 1 times [2024-11-18 14:08:17,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:17,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224121529] [2024-11-18 14:08:17,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:17,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:17,226 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:17,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:17,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224121529] [2024-11-18 14:08:17,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224121529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:17,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:17,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:08:17,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723571677] [2024-11-18 14:08:17,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:17,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:17,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:17,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:17,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:08:17,230 INFO L87 Difference]: Start difference. First operand 18431 states and 31611 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:18,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:18,038 INFO L93 Difference]: Finished difference Result 48696 states and 83852 transitions. [2024-11-18 14:08:18,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:18,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-18 14:08:18,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:18,170 INFO L225 Difference]: With dead ends: 48696 [2024-11-18 14:08:18,171 INFO L226 Difference]: Without dead ends: 32875 [2024-11-18 14:08:18,216 INFO L431 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 [2024-11-18 14:08:18,217 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 110 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:18,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1200 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:18,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32875 states. [2024-11-18 14:08:19,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32875 to 32867. [2024-11-18 14:08:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32867 states, 27105 states have (on average 1.6314702084486257) internal successors, (44221), 27113 states have internal predecessors, (44221), 5729 states have call successors, (5729), 28 states have call predecessors, (5729), 32 states have return successors, (6342), 5727 states have call predecessors, (6342), 5728 states have call successors, (6342) [2024-11-18 14:08:19,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32867 states to 32867 states and 56292 transitions. [2024-11-18 14:08:19,573 INFO L78 Accepts]: Start accepts. Automaton has 32867 states and 56292 transitions. Word has length 137 [2024-11-18 14:08:19,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:19,574 INFO L471 AbstractCegarLoop]: Abstraction has 32867 states and 56292 transitions. [2024-11-18 14:08:19,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:19,574 INFO L276 IsEmpty]: Start isEmpty. Operand 32867 states and 56292 transitions. [2024-11-18 14:08:19,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-18 14:08:19,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:19,614 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:19,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-18 14:08:19,614 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:19,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:19,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1343201346, now seen corresponding path program 1 times [2024-11-18 14:08:19,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:19,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906307844] [2024-11-18 14:08:19,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:19,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:19,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:19,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:19,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906307844] [2024-11-18 14:08:19,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906307844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:19,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:19,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:08:19,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178368093] [2024-11-18 14:08:19,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:19,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:19,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:19,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:19,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:08:19,687 INFO L87 Difference]: Start difference. First operand 32867 states and 56292 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:21,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:21,024 INFO L93 Difference]: Finished difference Result 89593 states and 153954 transitions. [2024-11-18 14:08:21,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:21,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2024-11-18 14:08:21,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:21,317 INFO L225 Difference]: With dead ends: 89593 [2024-11-18 14:08:21,317 INFO L226 Difference]: Without dead ends: 60212 [2024-11-18 14:08:21,412 INFO L431 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 [2024-11-18 14:08:21,413 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 108 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:21,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 1209 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:21,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60212 states. [2024-11-18 14:08:23,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60212 to 60204. [2024-11-18 14:08:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60204 states, 49929 states have (on average 1.6271906106671474) internal successors, (81244), 49937 states have internal predecessors, (81244), 10242 states have call successors, (10242), 28 states have call predecessors, (10242), 32 states have return successors, (11387), 10240 states have call predecessors, (11387), 10241 states have call successors, (11387) [2024-11-18 14:08:23,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60204 states to 60204 states and 102873 transitions. [2024-11-18 14:08:23,980 INFO L78 Accepts]: Start accepts. Automaton has 60204 states and 102873 transitions. Word has length 138 [2024-11-18 14:08:23,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:23,980 INFO L471 AbstractCegarLoop]: Abstraction has 60204 states and 102873 transitions. [2024-11-18 14:08:23,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand 60204 states and 102873 transitions. [2024-11-18 14:08:24,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-18 14:08:24,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:24,022 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:24,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-18 14:08:24,023 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:24,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:24,023 INFO L85 PathProgramCache]: Analyzing trace with hash 2068192737, now seen corresponding path program 1 times [2024-11-18 14:08:24,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:24,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105043231] [2024-11-18 14:08:24,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:24,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:24,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:24,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105043231] [2024-11-18 14:08:24,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105043231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:24,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:24,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:08:24,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737324880] [2024-11-18 14:08:24,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:24,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:08:24,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:24,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:08:24,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:08:24,084 INFO L87 Difference]: Start difference. First operand 60204 states and 102873 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:26,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:26,656 INFO L93 Difference]: Finished difference Result 112684 states and 192963 transitions. [2024-11-18 14:08:26,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:08:26,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2024-11-18 14:08:26,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:27,212 INFO L225 Difference]: With dead ends: 112684 [2024-11-18 14:08:27,213 INFO L226 Difference]: Without dead ends: 112470 [2024-11-18 14:08:27,278 INFO L431 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 [2024-11-18 14:08:27,279 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 103 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1206 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 [2024-11-18 14:08:27,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1206 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:08:27,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112470 states. [2024-11-18 14:08:30,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112470 to 112462. [2024-11-18 14:08:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112462 states, 93819 states have (on average 1.6217503917117002) internal successors, (152151), 93827 states have internal predecessors, (152151), 18610 states have call successors, (18610), 28 states have call predecessors, (18610), 32 states have return successors, (20801), 18608 states have call predecessors, (20801), 18609 states have call successors, (20801) [2024-11-18 14:08:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112462 states to 112462 states and 191562 transitions. [2024-11-18 14:08:31,340 INFO L78 Accepts]: Start accepts. Automaton has 112462 states and 191562 transitions. Word has length 139 [2024-11-18 14:08:31,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:31,341 INFO L471 AbstractCegarLoop]: Abstraction has 112462 states and 191562 transitions. [2024-11-18 14:08:31,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-18 14:08:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 112462 states and 191562 transitions. [2024-11-18 14:08:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-18 14:08:31,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:31,389 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:31,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-18 14:08:31,389 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:31,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:31,390 INFO L85 PathProgramCache]: Analyzing trace with hash 753320447, now seen corresponding path program 1 times [2024-11-18 14:08:31,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:31,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916214977] [2024-11-18 14:08:31,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:31,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:32,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:32,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916214977] [2024-11-18 14:08:32,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916214977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:32,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:32,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-18 14:08:32,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133402963] [2024-11-18 14:08:32,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:32,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-18 14:08:32,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:32,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-18 14:08:32,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-18 14:08:32,397 INFO L87 Difference]: Start difference. First operand 112462 states and 191562 transitions. Second operand has 14 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-18 14:08:38,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:08:38,348 INFO L93 Difference]: Finished difference Result 224244 states and 387390 transitions. [2024-11-18 14:08:38,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-18 14:08:38,348 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 140 [2024-11-18 14:08:38,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:08:39,797 INFO L225 Difference]: With dead ends: 224244 [2024-11-18 14:08:39,797 INFO L226 Difference]: Without dead ends: 224036 [2024-11-18 14:08:39,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=778, Unknown=0, NotChecked=0, Total=930 [2024-11-18 14:08:39,897 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 1734 mSDsluCounter, 7167 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 7845 SdHoareTripleChecker+Invalid, 2009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:08:39,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 7845 Invalid, 2009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [532 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-18 14:08:40,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224036 states. [2024-11-18 14:08:47,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224036 to 223934. [2024-11-18 14:08:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223934 states, 186875 states have (on average 1.6223571906354515) internal successors, (303178), 186782 states have internal predecessors, (303178), 36976 states have call successors, (36976), 75 states have call predecessors, (36976), 82 states have return successors, (44634), 37082 states have call predecessors, (44634), 36973 states have call successors, (44634) [2024-11-18 14:08:48,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223934 states to 223934 states and 384788 transitions. [2024-11-18 14:08:48,965 INFO L78 Accepts]: Start accepts. Automaton has 223934 states and 384788 transitions. Word has length 140 [2024-11-18 14:08:48,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:08:48,966 INFO L471 AbstractCegarLoop]: Abstraction has 223934 states and 384788 transitions. [2024-11-18 14:08:48,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-18 14:08:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 223934 states and 384788 transitions. [2024-11-18 14:08:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-18 14:08:49,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:08:49,058 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:08:49,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-18 14:08:49,058 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:08:49,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:08:49,058 INFO L85 PathProgramCache]: Analyzing trace with hash -775801361, now seen corresponding path program 1 times [2024-11-18 14:08:49,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:08:49,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122288420] [2024-11-18 14:08:49,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:08:49,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:08:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:08:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-18 14:08:49,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:08:49,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122288420] [2024-11-18 14:08:49,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122288420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:08:49,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:08:49,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:08:49,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139047324] [2024-11-18 14:08:49,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:08:49,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:08:49,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:08:49,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:08:49,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:08:49,183 INFO L87 Difference]: Start difference. First operand 223934 states and 384788 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)