./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product29.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9244be1607acf28cf3da39a66e263e3f7b227fe42ed993f89a6311649f8ded26 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:54:25,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:54:26,032 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:54:26,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:54:26,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:54:26,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:54:26,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:54:26,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:54:26,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:54:26,082 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:54:26,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:54:26,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:54:26,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:54:26,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:54:26,086 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:54:26,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:54:26,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:54:26,087 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:54:26,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:54:26,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:54:26,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:54:26,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:54:26,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:54:26,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:54:26,093 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:54:26,093 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:54:26,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:54:26,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:54:26,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:54:26,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:54:26,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:54:26,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:54:26,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:54:26,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:54:26,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:54:26,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:54:26,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:54:26,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:54:26,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:54:26,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:54:26,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:54:26,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:54:26,099 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9244be1607acf28cf3da39a66e263e3f7b227fe42ed993f89a6311649f8ded26 [2024-10-11 02:54:26,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:54:26,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:54:26,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:54:26,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:54:26,374 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:54:26,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product29.cil.c [2024-10-11 02:54:27,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:54:28,224 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:54:28,225 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product29.cil.c [2024-10-11 02:54:28,251 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c541d377a/d8978f68597e496bbdbc4e41ce9ba742/FLAGf55e9922d [2024-10-11 02:54:28,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c541d377a/d8978f68597e496bbdbc4e41ce9ba742 [2024-10-11 02:54:28,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:54:28,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:54:28,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:54:28,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:54:28,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:54:28,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:54:28" (1/1) ... [2024-10-11 02:54:28,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c9cb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:28, skipping insertion in model container [2024-10-11 02:54:28,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:54:28" (1/1) ... [2024-10-11 02:54:28,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:54:28,787 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product29.cil.c[29472,29485] [2024-10-11 02:54:28,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:54:28,961 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:54:28,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-10-11 02:54:28,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [460] [2024-10-11 02:54:28,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [509] [2024-10-11 02:54:28,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [648] [2024-10-11 02:54:28,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [692] [2024-10-11 02:54:28,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1058] [2024-10-11 02:54:28,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1075] [2024-10-11 02:54:28,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1300] [2024-10-11 02:54:28,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1309] [2024-10-11 02:54:28,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1688] [2024-10-11 02:54:28,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1975] [2024-10-11 02:54:29,015 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product29.cil.c[29472,29485] [2024-10-11 02:54:29,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:54:29,153 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:54:29,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29 WrapperNode [2024-10-11 02:54:29,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:54:29,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:54:29,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:54:29,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:54:29,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,253 INFO L138 Inliner]: procedures = 132, calls = 214, calls flagged for inlining = 56, calls inlined = 48, statements flattened = 940 [2024-10-11 02:54:29,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:54:29,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:54:29,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:54:29,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:54:29,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,276 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,310 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-11 02:54:29,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:54:29,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:54:29,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:54:29,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:54:29,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (1/1) ... [2024-10-11 02:54:29,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:54:29,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:29,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:54:29,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:54:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-11 02:54:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-11 02:54:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-11 02:54:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-11 02:54:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-11 02:54:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-11 02:54:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-11 02:54:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-11 02:54:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-11 02:54:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-11 02:54:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-11 02:54:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-11 02:54:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-11 02:54:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-11 02:54:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-11 02:54:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-11 02:54:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-11 02:54:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-11 02:54:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-11 02:54:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-11 02:54:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-11 02:54:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-11 02:54:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-11 02:54:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-11 02:54:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-11 02:54:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-11 02:54:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-11 02:54:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-11 02:54:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:54:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-11 02:54:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-11 02:54:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-11 02:54:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-11 02:54:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-11 02:54:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-11 02:54:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-11 02:54:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-11 02:54:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-11 02:54:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-11 02:54:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-11 02:54:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-11 02:54:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-11 02:54:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-11 02:54:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-10-11 02:54:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-10-11 02:54:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-11 02:54:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-11 02:54:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-11 02:54:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-11 02:54:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-11 02:54:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-11 02:54:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-11 02:54:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-11 02:54:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:54:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 02:54:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 02:54:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 02:54:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-11 02:54:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-11 02:54:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-11 02:54:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-11 02:54:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:54:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:54:29,726 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:54:29,731 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:54:30,745 INFO L? ?]: Removed 505 outVars from TransFormulas that were not future-live. [2024-10-11 02:54:30,746 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:54:30,827 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:54:30,827 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 02:54:30,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:54:30 BoogieIcfgContainer [2024-10-11 02:54:30,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:54:30,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:54:30,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:54:30,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:54:30,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:54:28" (1/3) ... [2024-10-11 02:54:30,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a58c2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:54:30, skipping insertion in model container [2024-10-11 02:54:30,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:54:29" (2/3) ... [2024-10-11 02:54:30,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a58c2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:54:30, skipping insertion in model container [2024-10-11 02:54:30,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:54:30" (3/3) ... [2024-10-11 02:54:30,836 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product29.cil.c [2024-10-11 02:54:30,853 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:54:30,853 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:54:30,940 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:54:30,949 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;@24df8510, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:54:30,949 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:54:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 383 states, 290 states have (on average 1.603448275862069) internal successors, (465), 295 states have internal predecessors, (465), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 02:54:30,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 02:54:30,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:30,978 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:30,978 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:30,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:30,983 INFO L85 PathProgramCache]: Analyzing trace with hash 984800729, now seen corresponding path program 1 times [2024-10-11 02:54:30,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:30,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289942352] [2024-10-11 02:54:30,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:30,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:54:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:54:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:54:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 02:54:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 02:54:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:54:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:54:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:54:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:54:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:54:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:54:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:31,875 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 02:54:31,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:31,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289942352] [2024-10-11 02:54:31,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289942352] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:31,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252422135] [2024-10-11 02:54:31,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:31,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:31,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:31,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:31,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 02:54:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:32,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 02:54:32,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:54:32,266 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:54:32,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252422135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:32,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:54:32,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-11 02:54:32,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236521055] [2024-10-11 02:54:32,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:32,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:54:32,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:32,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:54:32,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:54:32,314 INFO L87 Difference]: Start difference. First operand has 383 states, 290 states have (on average 1.603448275862069) internal successors, (465), 295 states have internal predecessors, (465), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:32,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:32,431 INFO L93 Difference]: Finished difference Result 586 states and 888 transitions. [2024-10-11 02:54:32,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:54:32,434 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 104 [2024-10-11 02:54:32,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:32,454 INFO L225 Difference]: With dead ends: 586 [2024-10-11 02:54:32,456 INFO L226 Difference]: Without dead ends: 380 [2024-10-11 02:54:32,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:54:32,469 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:32,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 574 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:54:32,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-10-11 02:54:32,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-10-11 02:54:32,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 288 states have (on average 1.5902777777777777) internal successors, (458), 292 states have internal predecessors, (458), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 02:54:32,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 583 transitions. [2024-10-11 02:54:32,557 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 583 transitions. Word has length 104 [2024-10-11 02:54:32,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:32,558 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 583 transitions. [2024-10-11 02:54:32,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:32,559 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 583 transitions. [2024-10-11 02:54:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 02:54:32,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:32,565 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:32,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 02:54:32,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 02:54:32,770 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:32,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:32,771 INFO L85 PathProgramCache]: Analyzing trace with hash -976937940, now seen corresponding path program 1 times [2024-10-11 02:54:32,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:32,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034870747] [2024-10-11 02:54:32,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:32,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:54:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:54:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:54:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 02:54:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:54:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:54:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:54:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:54:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:54:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:54:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:54:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,197 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 02:54:33,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:33,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034870747] [2024-10-11 02:54:33,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034870747] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:33,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558323416] [2024-10-11 02:54:33,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:33,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:33,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:33,204 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:33,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 02:54:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:33,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 02:54:33,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:54:33,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:54:33,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558323416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:33,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:54:33,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:54:33,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39689818] [2024-10-11 02:54:33,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:33,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:54:33,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:33,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:54:33,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:54:33,587 INFO L87 Difference]: Start difference. First operand 380 states and 583 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:33,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:33,667 INFO L93 Difference]: Finished difference Result 582 states and 872 transitions. [2024-10-11 02:54:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:54:33,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2024-10-11 02:54:33,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:33,672 INFO L225 Difference]: With dead ends: 582 [2024-10-11 02:54:33,672 INFO L226 Difference]: Without dead ends: 382 [2024-10-11 02:54:33,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:54:33,675 INFO L432 NwaCegarLoop]: 571 mSDtfsCounter, 0 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:33,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1141 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:54:33,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-10-11 02:54:33,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-10-11 02:54:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 290 states have (on average 1.5862068965517242) internal successors, (460), 294 states have internal predecessors, (460), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 02:54:33,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 585 transitions. [2024-10-11 02:54:33,714 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 585 transitions. Word has length 105 [2024-10-11 02:54:33,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:33,716 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 585 transitions. [2024-10-11 02:54:33,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 585 transitions. [2024-10-11 02:54:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-11 02:54:33,724 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:33,724 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:33,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 02:54:33,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:33,926 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:33,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:33,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1940417642, now seen corresponding path program 1 times [2024-10-11 02:54:33,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:33,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890437419] [2024-10-11 02:54:33,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:33,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:54:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:54:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:54:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:54:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 02:54:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:54:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:54:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:54:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:54:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:54:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:54:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:54:34,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:34,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890437419] [2024-10-11 02:54:34,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890437419] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:34,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519482505] [2024-10-11 02:54:34,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:34,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:34,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:34,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:34,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 02:54:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:34,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:54:34,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:54:34,595 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:54:34,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519482505] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:34,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:54:34,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:54:34,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242190173] [2024-10-11 02:54:34,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:34,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:54:34,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:34,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:54:34,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:54:34,601 INFO L87 Difference]: Start difference. First operand 382 states and 585 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:34,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:34,664 INFO L93 Difference]: Finished difference Result 808 states and 1255 transitions. [2024-10-11 02:54:34,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:54:34,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2024-10-11 02:54:34,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:34,668 INFO L225 Difference]: With dead ends: 808 [2024-10-11 02:54:34,668 INFO L226 Difference]: Without dead ends: 448 [2024-10-11 02:54:34,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:54:34,671 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 122 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:34,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1104 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:54:34,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-11 02:54:34,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 443. [2024-10-11 02:54:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 337 states have (on average 1.6023738872403561) internal successors, (540), 341 states have internal predecessors, (540), 77 states have call successors, (77), 28 states have call predecessors, (77), 28 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-11 02:54:34,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 693 transitions. [2024-10-11 02:54:34,703 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 693 transitions. Word has length 110 [2024-10-11 02:54:34,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:34,703 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 693 transitions. [2024-10-11 02:54:34,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 693 transitions. [2024-10-11 02:54:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 02:54:34,707 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:34,707 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:34,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 02:54:34,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:34,912 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:34,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:34,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1280511819, now seen corresponding path program 1 times [2024-10-11 02:54:34,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:34,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30233234] [2024-10-11 02:54:34,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:34,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:54:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:54:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:54:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 02:54:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 02:54:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:54:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:54:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:54:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:54:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:54:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:54:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,164 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:54:35,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:35,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30233234] [2024-10-11 02:54:35,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30233234] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:35,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069505962] [2024-10-11 02:54:35,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:35,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:35,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:35,166 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:35,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 02:54:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:35,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 02:54:35,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 02:54:35,584 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:54:35,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069505962] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:35,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:54:35,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-11 02:54:35,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144286329] [2024-10-11 02:54:35,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:35,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:54:35,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:35,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:54:35,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:54:35,588 INFO L87 Difference]: Start difference. First operand 443 states and 693 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:54:35,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:35,702 INFO L93 Difference]: Finished difference Result 881 states and 1380 transitions. [2024-10-11 02:54:35,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:54:35,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 111 [2024-10-11 02:54:35,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:35,708 INFO L225 Difference]: With dead ends: 881 [2024-10-11 02:54:35,708 INFO L226 Difference]: Without dead ends: 445 [2024-10-11 02:54:35,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:54:35,712 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 2 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2241 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:35,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2241 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:54:35,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-10-11 02:54:35,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2024-10-11 02:54:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 338 states have (on average 1.6005917159763314) internal successors, (541), 343 states have internal predecessors, (541), 77 states have call successors, (77), 28 states have call predecessors, (77), 29 states have return successors, (78), 75 states have call predecessors, (78), 76 states have call successors, (78) [2024-10-11 02:54:35,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 696 transitions. [2024-10-11 02:54:35,736 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 696 transitions. Word has length 111 [2024-10-11 02:54:35,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:35,737 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 696 transitions. [2024-10-11 02:54:35,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:54:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 696 transitions. [2024-10-11 02:54:35,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 02:54:35,740 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:35,740 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:35,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 02:54:35,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:35,941 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:35,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:35,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1427010386, now seen corresponding path program 1 times [2024-10-11 02:54:35,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:35,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676547792] [2024-10-11 02:54:35,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:35,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 02:54:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 02:54:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 02:54:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:54:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:54:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:54:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:54:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:54:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:54:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:54:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:54:36,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:36,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676547792] [2024-10-11 02:54:36,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676547792] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:36,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193330144] [2024-10-11 02:54:36,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:36,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:36,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:36,229 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:36,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 02:54:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:36,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 02:54:36,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 02:54:36,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:54:36,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193330144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:36,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:54:36,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-11 02:54:36,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817489162] [2024-10-11 02:54:36,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:36,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:54:36,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:36,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:54:36,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:54:36,577 INFO L87 Difference]: Start difference. First operand 445 states and 696 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:54:36,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:36,679 INFO L93 Difference]: Finished difference Result 883 states and 1385 transitions. [2024-10-11 02:54:36,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:54:36,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 112 [2024-10-11 02:54:36,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:36,683 INFO L225 Difference]: With dead ends: 883 [2024-10-11 02:54:36,683 INFO L226 Difference]: Without dead ends: 447 [2024-10-11 02:54:36,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:54:36,685 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 2 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2227 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:36,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2227 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:54:36,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-10-11 02:54:36,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2024-10-11 02:54:36,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 339 states have (on average 1.59882005899705) internal successors, (542), 345 states have internal predecessors, (542), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2024-10-11 02:54:36,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 702 transitions. [2024-10-11 02:54:36,713 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 702 transitions. Word has length 112 [2024-10-11 02:54:36,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:36,713 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 702 transitions. [2024-10-11 02:54:36,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:54:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 702 transitions. [2024-10-11 02:54:36,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 02:54:36,717 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:36,717 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:36,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 02:54:36,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:36,922 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:36,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:36,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1117485236, now seen corresponding path program 1 times [2024-10-11 02:54:36,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:36,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599557143] [2024-10-11 02:54:36,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:36,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 02:54:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 02:54:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:54:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:54:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:54:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:54:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:54:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:54:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:54:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:37,160 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:54:37,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:37,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599557143] [2024-10-11 02:54:37,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599557143] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:37,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:37,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:54:37,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149337150] [2024-10-11 02:54:37,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:37,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:54:37,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:37,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:54:37,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:54:37,162 INFO L87 Difference]: Start difference. First operand 447 states and 702 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:54:39,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:39,296 INFO L93 Difference]: Finished difference Result 964 states and 1536 transitions. [2024-10-11 02:54:39,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:54:39,297 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 113 [2024-10-11 02:54:39,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:39,303 INFO L225 Difference]: With dead ends: 964 [2024-10-11 02:54:39,304 INFO L226 Difference]: Without dead ends: 536 [2024-10-11 02:54:39,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:54:39,307 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1341 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 2841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 2381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:39,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1342 Valid, 1149 Invalid, 2841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [460 Valid, 2381 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 02:54:39,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-10-11 02:54:39,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 447. [2024-10-11 02:54:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 339 states have (on average 1.59882005899705) internal successors, (542), 345 states have internal predecessors, (542), 77 states have call successors, (77), 28 states have call predecessors, (77), 30 states have return successors, (82), 75 states have call predecessors, (82), 76 states have call successors, (82) [2024-10-11 02:54:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 701 transitions. [2024-10-11 02:54:39,358 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 701 transitions. Word has length 113 [2024-10-11 02:54:39,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:39,359 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 701 transitions. [2024-10-11 02:54:39,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:54:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 701 transitions. [2024-10-11 02:54:39,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 02:54:39,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:39,362 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:39,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 02:54:39,362 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:39,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:39,363 INFO L85 PathProgramCache]: Analyzing trace with hash 528773749, now seen corresponding path program 2 times [2024-10-11 02:54:39,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:39,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649567756] [2024-10-11 02:54:39,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:39,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 02:54:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 02:54:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:54:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:54:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:54:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:54:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:54:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:54:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:54:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:54:39,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:39,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649567756] [2024-10-11 02:54:39,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649567756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:39,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:39,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:54:39,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411552264] [2024-10-11 02:54:39,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:39,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:54:39,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:39,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:54:39,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:54:39,571 INFO L87 Difference]: Start difference. First operand 447 states and 701 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:54:41,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:41,771 INFO L93 Difference]: Finished difference Result 966 states and 1539 transitions. [2024-10-11 02:54:41,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:54:41,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 114 [2024-10-11 02:54:41,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:41,777 INFO L225 Difference]: With dead ends: 966 [2024-10-11 02:54:41,777 INFO L226 Difference]: Without dead ends: 538 [2024-10-11 02:54:41,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:54:41,780 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1319 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2428 mSolverCounterSat, 471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 2899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 471 IncrementalHoareTripleChecker+Valid, 2428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:41,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 1151 Invalid, 2899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [471 Valid, 2428 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 02:54:41,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-11 02:54:41,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 449. [2024-10-11 02:54:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 340 states have (on average 1.5970588235294119) internal successors, (543), 347 states have internal predecessors, (543), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (84), 75 states have call predecessors, (84), 76 states have call successors, (84) [2024-10-11 02:54:41,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 704 transitions. [2024-10-11 02:54:41,831 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 704 transitions. Word has length 114 [2024-10-11 02:54:41,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:41,832 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 704 transitions. [2024-10-11 02:54:41,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:54:41,832 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 704 transitions. [2024-10-11 02:54:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 02:54:41,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:41,835 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:41,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 02:54:41,836 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:41,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:41,836 INFO L85 PathProgramCache]: Analyzing trace with hash 623243673, now seen corresponding path program 1 times [2024-10-11 02:54:41,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:41,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627516726] [2024-10-11 02:54:41,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:41,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 02:54:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 02:54:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:54:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:54:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:54:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:54:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:54:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:54:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:42,154 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:54:42,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:42,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627516726] [2024-10-11 02:54:42,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627516726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:42,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:42,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:54:42,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514690260] [2024-10-11 02:54:42,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:42,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:54:42,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:42,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:54:42,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:54:42,158 INFO L87 Difference]: Start difference. First operand 449 states and 704 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-11 02:54:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:44,938 INFO L93 Difference]: Finished difference Result 964 states and 1534 transitions. [2024-10-11 02:54:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:54:44,939 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 115 [2024-10-11 02:54:44,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:44,944 INFO L225 Difference]: With dead ends: 964 [2024-10-11 02:54:44,945 INFO L226 Difference]: Without dead ends: 538 [2024-10-11 02:54:44,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:54:44,947 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1333 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 4048 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 4500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 4048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:44,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 1598 Invalid, 4500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [452 Valid, 4048 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-11 02:54:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-11 02:54:44,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 449. [2024-10-11 02:54:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 340 states have (on average 1.5970588235294119) internal successors, (543), 347 states have internal predecessors, (543), 77 states have call successors, (77), 28 states have call predecessors, (77), 31 states have return successors, (83), 75 states have call predecessors, (83), 76 states have call successors, (83) [2024-10-11 02:54:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 703 transitions. [2024-10-11 02:54:44,980 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 703 transitions. Word has length 115 [2024-10-11 02:54:44,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:44,981 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 703 transitions. [2024-10-11 02:54:44,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-11 02:54:44,981 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 703 transitions. [2024-10-11 02:54:44,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 02:54:44,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:44,983 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:44,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 02:54:44,983 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:44,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:44,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1012639627, now seen corresponding path program 2 times [2024-10-11 02:54:44,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:44,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793297977] [2024-10-11 02:54:44,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:44,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 02:54:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 02:54:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:54:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:54:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:54:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:54:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:54:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:54:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:45,238 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 02:54:45,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:45,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793297977] [2024-10-11 02:54:45,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793297977] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:45,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:45,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:54:45,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019807880] [2024-10-11 02:54:45,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:45,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:54:45,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:45,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:54:45,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:54:45,240 INFO L87 Difference]: Start difference. First operand 449 states and 703 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-11 02:54:47,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:47,836 INFO L93 Difference]: Finished difference Result 966 states and 1540 transitions. [2024-10-11 02:54:47,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:54:47,837 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 116 [2024-10-11 02:54:47,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:47,842 INFO L225 Difference]: With dead ends: 966 [2024-10-11 02:54:47,842 INFO L226 Difference]: Without dead ends: 540 [2024-10-11 02:54:47,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:54:47,846 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1304 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 4171 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 4614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 4171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:47,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 1598 Invalid, 4614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 4171 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 02:54:47,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-11 02:54:47,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 451. [2024-10-11 02:54:47,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 341 states have (on average 1.595307917888563) internal successors, (544), 349 states have internal predecessors, (544), 77 states have call successors, (77), 28 states have call predecessors, (77), 32 states have return successors, (88), 75 states have call predecessors, (88), 76 states have call successors, (88) [2024-10-11 02:54:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 709 transitions. [2024-10-11 02:54:47,883 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 709 transitions. Word has length 116 [2024-10-11 02:54:47,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:47,883 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 709 transitions. [2024-10-11 02:54:47,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-11 02:54:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 709 transitions. [2024-10-11 02:54:47,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-11 02:54:47,886 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:47,886 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:47,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 02:54:47,886 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:47,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:47,887 INFO L85 PathProgramCache]: Analyzing trace with hash -117750370, now seen corresponding path program 1 times [2024-10-11 02:54:47,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:47,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918736426] [2024-10-11 02:54:47,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:47,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:47,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:54:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 02:54:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:54:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:54:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:54:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:54:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:54:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:54:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:48,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:48,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918736426] [2024-10-11 02:54:48,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918736426] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:54:48,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135966511] [2024-10-11 02:54:48,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:48,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:54:48,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:54:48,053 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:54:48,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 02:54:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:48,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:54:48,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:54:48,435 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:48,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 02:54:48,535 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:48,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135966511] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 02:54:48,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 02:54:48,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-10-11 02:54:48,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636762603] [2024-10-11 02:54:48,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 02:54:48,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 02:54:48,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:48,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 02:54:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-11 02:54:48,537 INFO L87 Difference]: Start difference. First operand 451 states and 709 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 02:54:50,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:50,253 INFO L93 Difference]: Finished difference Result 1140 states and 1896 transitions. [2024-10-11 02:54:50,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 02:54:50,253 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 117 [2024-10-11 02:54:50,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:50,259 INFO L225 Difference]: With dead ends: 1140 [2024-10-11 02:54:50,259 INFO L226 Difference]: Without dead ends: 940 [2024-10-11 02:54:50,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:54:50,261 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1817 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 1992 mSolverCounterSat, 650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1874 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 2642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 1992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:50,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 1423 Invalid, 2642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [650 Valid, 1992 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 02:54:50,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-10-11 02:54:50,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 836. [2024-10-11 02:54:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 647 states have (on average 1.6522411128284389) internal successors, (1069), 655 states have internal predecessors, (1069), 156 states have call successors, (156), 28 states have call predecessors, (156), 32 states have return successors, (177), 154 states have call predecessors, (177), 155 states have call successors, (177) [2024-10-11 02:54:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1402 transitions. [2024-10-11 02:54:50,310 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1402 transitions. Word has length 117 [2024-10-11 02:54:50,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:50,311 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1402 transitions. [2024-10-11 02:54:50,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 02:54:50,311 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1402 transitions. [2024-10-11 02:54:50,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 02:54:50,316 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:50,316 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:50,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 02:54:50,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 02:54:50,517 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:50,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:50,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1323601787, now seen corresponding path program 1 times [2024-10-11 02:54:50,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:50,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524967466] [2024-10-11 02:54:50,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:50,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:54:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:54:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:54:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:54:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:54:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:54:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:54:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:54:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:50,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:50,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524967466] [2024-10-11 02:54:50,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524967466] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:50,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:50,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:50,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463917130] [2024-10-11 02:54:50,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:50,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:50,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:50,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:50,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:50,691 INFO L87 Difference]: Start difference. First operand 836 states and 1402 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:52,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:52,029 INFO L93 Difference]: Finished difference Result 2088 states and 3591 transitions. [2024-10-11 02:54:52,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:52,030 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2024-10-11 02:54:52,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:52,040 INFO L225 Difference]: With dead ends: 2088 [2024-10-11 02:54:52,040 INFO L226 Difference]: Without dead ends: 1312 [2024-10-11 02:54:52,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:52,045 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1437 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1456 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:52,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1456 Valid, 874 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [502 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:54:52,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2024-10-11 02:54:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1218. [2024-10-11 02:54:52,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 950 states have (on average 1.6642105263157896) internal successors, (1581), 958 states have internal predecessors, (1581), 235 states have call successors, (235), 28 states have call predecessors, (235), 32 states have return successors, (266), 233 states have call predecessors, (266), 234 states have call successors, (266) [2024-10-11 02:54:52,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 2082 transitions. [2024-10-11 02:54:52,139 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 2082 transitions. Word has length 123 [2024-10-11 02:54:52,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:52,140 INFO L471 AbstractCegarLoop]: Abstraction has 1218 states and 2082 transitions. [2024-10-11 02:54:52,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 2082 transitions. [2024-10-11 02:54:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 02:54:52,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:52,148 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:52,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 02:54:52,149 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:52,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:52,149 INFO L85 PathProgramCache]: Analyzing trace with hash -942710281, now seen corresponding path program 1 times [2024-10-11 02:54:52,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:52,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410710903] [2024-10-11 02:54:52,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:52,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:54:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:54:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:54:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:54:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:54:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:54:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:54:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 02:54:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:52,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:52,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410710903] [2024-10-11 02:54:52,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410710903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:52,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:52,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:52,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286405562] [2024-10-11 02:54:52,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:52,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:52,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:52,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:52,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:52,274 INFO L87 Difference]: Start difference. First operand 1218 states and 2082 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:53,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:53,759 INFO L93 Difference]: Finished difference Result 3019 states and 5247 transitions. [2024-10-11 02:54:53,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:53,760 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2024-10-11 02:54:53,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:53,772 INFO L225 Difference]: With dead ends: 3019 [2024-10-11 02:54:53,772 INFO L226 Difference]: Without dead ends: 1911 [2024-10-11 02:54:53,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:53,778 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1457 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:53,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 844 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 02:54:53,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2024-10-11 02:54:53,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1817. [2024-10-11 02:54:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1817 states, 1430 states have (on average 1.672027972027972) internal successors, (2391), 1438 states have internal predecessors, (2391), 354 states have call successors, (354), 28 states have call predecessors, (354), 32 states have return successors, (385), 352 states have call predecessors, (385), 353 states have call successors, (385) [2024-10-11 02:54:53,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 3130 transitions. [2024-10-11 02:54:53,875 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 3130 transitions. Word has length 124 [2024-10-11 02:54:53,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:53,875 INFO L471 AbstractCegarLoop]: Abstraction has 1817 states and 3130 transitions. [2024-10-11 02:54:53,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3130 transitions. [2024-10-11 02:54:53,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-11 02:54:53,886 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:53,886 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:53,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 02:54:53,887 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:53,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:53,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1754756643, now seen corresponding path program 1 times [2024-10-11 02:54:53,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:53,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238472711] [2024-10-11 02:54:53,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:53,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:53,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:53,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:53,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:53,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:53,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:53,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:53,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:54:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:54:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:54:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:54:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:54:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:54:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:54:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:54:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:54,019 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:54,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:54,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238472711] [2024-10-11 02:54:54,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238472711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:54,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:54,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:54,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839561952] [2024-10-11 02:54:54,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:54,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:54,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:54,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:54,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:54,021 INFO L87 Difference]: Start difference. First operand 1817 states and 3130 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:55,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:55,388 INFO L93 Difference]: Finished difference Result 4415 states and 7752 transitions. [2024-10-11 02:54:55,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:55,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-10-11 02:54:55,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:55,407 INFO L225 Difference]: With dead ends: 4415 [2024-10-11 02:54:55,407 INFO L226 Difference]: Without dead ends: 2828 [2024-10-11 02:54:55,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:55,415 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1449 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:55,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 841 Invalid, 1836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:54:55,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2024-10-11 02:54:55,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2734. [2024-10-11 02:54:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2734 states, 2185 states have (on average 1.6787185354691077) internal successors, (3668), 2193 states have internal predecessors, (3668), 516 states have call successors, (516), 28 states have call predecessors, (516), 32 states have return successors, (563), 514 states have call predecessors, (563), 515 states have call successors, (563) [2024-10-11 02:54:55,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 4747 transitions. [2024-10-11 02:54:55,539 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 4747 transitions. Word has length 125 [2024-10-11 02:54:55,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:55,540 INFO L471 AbstractCegarLoop]: Abstraction has 2734 states and 4747 transitions. [2024-10-11 02:54:55,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 4747 transitions. [2024-10-11 02:54:55,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 02:54:55,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:55,555 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:55,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 02:54:55,556 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:55,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:55,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1466126296, now seen corresponding path program 1 times [2024-10-11 02:54:55,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:55,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438550004] [2024-10-11 02:54:55,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:55,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:54:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:54:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:54:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:54:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 02:54:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:54:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:54:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:54:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:55,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:55,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438550004] [2024-10-11 02:54:55,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438550004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:55,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:55,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:55,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914414318] [2024-10-11 02:54:55,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:55,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:55,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:55,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:55,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:55,670 INFO L87 Difference]: Start difference. First operand 2734 states and 4747 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:57,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:57,283 INFO L93 Difference]: Finished difference Result 6615 states and 11712 transitions. [2024-10-11 02:54:57,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:57,283 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2024-10-11 02:54:57,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:57,312 INFO L225 Difference]: With dead ends: 6615 [2024-10-11 02:54:57,312 INFO L226 Difference]: Without dead ends: 4308 [2024-10-11 02:54:57,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:57,324 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1437 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 529 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1457 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:57,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1457 Valid, 841 Invalid, 1850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [529 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:54:57,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4308 states. [2024-10-11 02:54:57,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 4214. [2024-10-11 02:54:57,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4214 states, 3420 states have (on average 1.683625730994152) internal successors, (5758), 3428 states have internal predecessors, (5758), 761 states have call successors, (761), 28 states have call predecessors, (761), 32 states have return successors, (834), 759 states have call predecessors, (834), 760 states have call successors, (834) [2024-10-11 02:54:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4214 states to 4214 states and 7353 transitions. [2024-10-11 02:54:57,532 INFO L78 Accepts]: Start accepts. Automaton has 4214 states and 7353 transitions. Word has length 126 [2024-10-11 02:54:57,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:57,533 INFO L471 AbstractCegarLoop]: Abstraction has 4214 states and 7353 transitions. [2024-10-11 02:54:57,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:57,533 INFO L276 IsEmpty]: Start isEmpty. Operand 4214 states and 7353 transitions. [2024-10-11 02:54:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-11 02:54:57,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:57,550 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:57,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 02:54:57,551 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:57,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:57,551 INFO L85 PathProgramCache]: Analyzing trace with hash -211674279, now seen corresponding path program 1 times [2024-10-11 02:54:57,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:57,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592557347] [2024-10-11 02:54:57,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:57,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:54:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:54:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:54:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:54:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:54:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:54:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 02:54:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:54:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:57,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:57,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592557347] [2024-10-11 02:54:57,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592557347] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:57,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:57,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:57,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826432629] [2024-10-11 02:54:57,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:57,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:57,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:57,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:57,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:57,723 INFO L87 Difference]: Start difference. First operand 4214 states and 7353 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:59,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:54:59,238 INFO L93 Difference]: Finished difference Result 10544 states and 18737 transitions. [2024-10-11 02:54:59,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:54:59,239 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 127 [2024-10-11 02:54:59,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:54:59,282 INFO L225 Difference]: With dead ends: 10544 [2024-10-11 02:54:59,282 INFO L226 Difference]: Without dead ends: 6980 [2024-10-11 02:54:59,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:54:59,301 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1424 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 1869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:54:59,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 871 Invalid, 1869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:54:59,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6980 states. [2024-10-11 02:54:59,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6980 to 6886. [2024-10-11 02:54:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6886 states, 5599 states have (on average 1.6792284336488659) internal successors, (9402), 5607 states have internal predecessors, (9402), 1254 states have call successors, (1254), 28 states have call predecessors, (1254), 32 states have return successors, (1371), 1252 states have call predecessors, (1371), 1253 states have call successors, (1371) [2024-10-11 02:54:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6886 states to 6886 states and 12027 transitions. [2024-10-11 02:54:59,668 INFO L78 Accepts]: Start accepts. Automaton has 6886 states and 12027 transitions. Word has length 127 [2024-10-11 02:54:59,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:54:59,668 INFO L471 AbstractCegarLoop]: Abstraction has 6886 states and 12027 transitions. [2024-10-11 02:54:59,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:54:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 6886 states and 12027 transitions. [2024-10-11 02:54:59,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 02:54:59,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:54:59,697 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:54:59,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 02:54:59,698 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:54:59,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:54:59,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1603585444, now seen corresponding path program 1 times [2024-10-11 02:54:59,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:54:59,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353034248] [2024-10-11 02:54:59,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:54:59,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:54:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:54:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:54:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:54:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:54:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:54:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:54:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:54:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:54:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:54:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:54:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:54:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:54:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 02:54:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:54:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:54:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:54:59,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:54:59,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353034248] [2024-10-11 02:54:59,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353034248] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:54:59,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:54:59,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:54:59,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199877278] [2024-10-11 02:54:59,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:54:59,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:54:59,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:54:59,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:54:59,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:54:59,818 INFO L87 Difference]: Start difference. First operand 6886 states and 12027 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:55:01,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:01,221 INFO L93 Difference]: Finished difference Result 17523 states and 31148 transitions. [2024-10-11 02:55:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:55:01,222 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-10-11 02:55:01,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:01,282 INFO L225 Difference]: With dead ends: 17523 [2024-10-11 02:55:01,282 INFO L226 Difference]: Without dead ends: 11653 [2024-10-11 02:55:01,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:55:01,309 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1449 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 1861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:01,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 849 Invalid, 1861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 02:55:01,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11653 states. [2024-10-11 02:55:01,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11653 to 11559. [2024-10-11 02:55:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11559 states, 9450 states have (on average 1.6792592592592592) internal successors, (15869), 9458 states have internal predecessors, (15869), 2076 states have call successors, (2076), 28 states have call predecessors, (2076), 32 states have return successors, (2271), 2074 states have call predecessors, (2271), 2075 states have call successors, (2271) [2024-10-11 02:55:01,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11559 states to 11559 states and 20216 transitions. [2024-10-11 02:55:01,834 INFO L78 Accepts]: Start accepts. Automaton has 11559 states and 20216 transitions. Word has length 128 [2024-10-11 02:55:01,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:01,835 INFO L471 AbstractCegarLoop]: Abstraction has 11559 states and 20216 transitions. [2024-10-11 02:55:01,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:55:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand 11559 states and 20216 transitions. [2024-10-11 02:55:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-11 02:55:01,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:01,874 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:55:01,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 02:55:01,875 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:01,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:01,875 INFO L85 PathProgramCache]: Analyzing trace with hash 845965211, now seen corresponding path program 1 times [2024-10-11 02:55:01,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:01,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946921575] [2024-10-11 02:55:01,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:01,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:55:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:55:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:55:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:55:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:55:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:55:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:55:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:55:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:01,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:01,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946921575] [2024-10-11 02:55:01,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946921575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:01,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:01,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:55:01,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65582243] [2024-10-11 02:55:01,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:01,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:55:01,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:01,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:55:01,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:55:01,996 INFO L87 Difference]: Start difference. First operand 11559 states and 20216 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:55:03,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:03,747 INFO L93 Difference]: Finished difference Result 27649 states and 48966 transitions. [2024-10-11 02:55:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:55:03,748 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2024-10-11 02:55:03,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:03,826 INFO L225 Difference]: With dead ends: 27649 [2024-10-11 02:55:03,826 INFO L226 Difference]: Without dead ends: 18037 [2024-10-11 02:55:03,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:55:03,860 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1429 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:03,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 818 Invalid, 1866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:55:03,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18037 states. [2024-10-11 02:55:04,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18037 to 17943. [2024-10-11 02:55:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17943 states, 14631 states have (on average 1.6557993301893241) internal successors, (24226), 14639 states have internal predecessors, (24226), 3279 states have call successors, (3279), 28 states have call predecessors, (3279), 32 states have return successors, (3618), 3277 states have call predecessors, (3618), 3278 states have call successors, (3618) [2024-10-11 02:55:04,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17943 states to 17943 states and 31123 transitions. [2024-10-11 02:55:04,574 INFO L78 Accepts]: Start accepts. Automaton has 17943 states and 31123 transitions. Word has length 129 [2024-10-11 02:55:04,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:04,575 INFO L471 AbstractCegarLoop]: Abstraction has 17943 states and 31123 transitions. [2024-10-11 02:55:04,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:55:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 17943 states and 31123 transitions. [2024-10-11 02:55:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-11 02:55:04,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:04,612 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:55:04,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 02:55:04,612 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:04,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:04,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1570737117, now seen corresponding path program 1 times [2024-10-11 02:55:04,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:04,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850520632] [2024-10-11 02:55:04,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:04,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:55:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:55:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:55:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:55:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:55:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:55:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:55:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 02:55:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:04,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:04,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850520632] [2024-10-11 02:55:04,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850520632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:04,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:04,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:55:04,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560336380] [2024-10-11 02:55:04,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:04,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:55:04,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:04,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:55:04,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:55:04,733 INFO L87 Difference]: Start difference. First operand 17943 states and 31123 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:55:07,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:07,092 INFO L93 Difference]: Finished difference Result 47474 states and 83873 transitions. [2024-10-11 02:55:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:55:07,093 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-10-11 02:55:07,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:07,271 INFO L225 Difference]: With dead ends: 47474 [2024-10-11 02:55:07,272 INFO L226 Difference]: Without dead ends: 32070 [2024-10-11 02:55:07,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:55:07,356 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 1426 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:07,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 843 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 02:55:07,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32070 states. [2024-10-11 02:55:08,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32070 to 31976. [2024-10-11 02:55:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31976 states, 26214 states have (on average 1.6529335469596398) internal successors, (43330), 26222 states have internal predecessors, (43330), 5729 states have call successors, (5729), 28 states have call predecessors, (5729), 32 states have return successors, (6342), 5727 states have call predecessors, (6342), 5728 states have call successors, (6342) [2024-10-11 02:55:08,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31976 states to 31976 states and 55401 transitions. [2024-10-11 02:55:08,851 INFO L78 Accepts]: Start accepts. Automaton has 31976 states and 55401 transitions. Word has length 130 [2024-10-11 02:55:08,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:08,853 INFO L471 AbstractCegarLoop]: Abstraction has 31976 states and 55401 transitions. [2024-10-11 02:55:08,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:55:08,854 INFO L276 IsEmpty]: Start isEmpty. Operand 31976 states and 55401 transitions. [2024-10-11 02:55:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 02:55:08,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:08,894 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:55:08,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 02:55:08,894 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:08,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:08,895 INFO L85 PathProgramCache]: Analyzing trace with hash 585111797, now seen corresponding path program 1 times [2024-10-11 02:55:08,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:08,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840114644] [2024-10-11 02:55:08,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:08,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:55:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:55:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:55:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:55:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:55:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:55:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 02:55:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 02:55:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:08,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:08,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840114644] [2024-10-11 02:55:08,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840114644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:08,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:08,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:55:08,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15564627] [2024-10-11 02:55:09,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:09,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:55:09,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:09,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:55:09,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:55:09,002 INFO L87 Difference]: Start difference. First operand 31976 states and 55401 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:55:12,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:12,075 INFO L93 Difference]: Finished difference Result 87196 states and 153332 transitions. [2024-10-11 02:55:12,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:55:12,076 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-10-11 02:55:12,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:12,418 INFO L225 Difference]: With dead ends: 87196 [2024-10-11 02:55:12,418 INFO L226 Difference]: Without dead ends: 58618 [2024-10-11 02:55:12,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:55:12,510 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1453 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1473 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:12,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1473 Valid, 844 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:55:12,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58618 states. [2024-10-11 02:55:14,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58618 to 58524. [2024-10-11 02:55:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58524 states, 48249 states have (on average 1.6490289954195942) internal successors, (79564), 48257 states have internal predecessors, (79564), 10242 states have call successors, (10242), 28 states have call predecessors, (10242), 32 states have return successors, (11387), 10240 states have call predecessors, (11387), 10241 states have call successors, (11387) [2024-10-11 02:55:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58524 states to 58524 states and 101193 transitions. [2024-10-11 02:55:15,260 INFO L78 Accepts]: Start accepts. Automaton has 58524 states and 101193 transitions. Word has length 131 [2024-10-11 02:55:15,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:15,261 INFO L471 AbstractCegarLoop]: Abstraction has 58524 states and 101193 transitions. [2024-10-11 02:55:15,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:55:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 58524 states and 101193 transitions. [2024-10-11 02:55:15,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-11 02:55:15,315 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:15,316 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:55:15,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 02:55:15,316 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:15,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:15,316 INFO L85 PathProgramCache]: Analyzing trace with hash 647904573, now seen corresponding path program 1 times [2024-10-11 02:55:15,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:15,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702028053] [2024-10-11 02:55:15,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:15,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:55:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:55:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:55:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:55:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:55:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:55:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:55:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 02:55:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:15,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:15,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702028053] [2024-10-11 02:55:15,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702028053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:15,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:15,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:55:15,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121563764] [2024-10-11 02:55:15,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:15,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:55:15,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:15,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:55:15,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:55:15,909 INFO L87 Difference]: Start difference. First operand 58524 states and 101193 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:55:19,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:55:19,319 INFO L93 Difference]: Finished difference Result 109520 states and 193143 transitions. [2024-10-11 02:55:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:55:19,320 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-10-11 02:55:19,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:55:19,937 INFO L225 Difference]: With dead ends: 109520 [2024-10-11 02:55:19,937 INFO L226 Difference]: Without dead ends: 109320 [2024-10-11 02:55:19,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:55:20,001 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1406 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1423 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:55:20,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1423 Valid, 857 Invalid, 1898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:55:20,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109320 states. [2024-10-11 02:55:23,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109320 to 109226. [2024-10-11 02:55:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109226 states, 90583 states have (on average 1.6439618913041079) internal successors, (148915), 90591 states have internal predecessors, (148915), 18610 states have call successors, (18610), 28 states have call predecessors, (18610), 32 states have return successors, (20801), 18608 states have call predecessors, (20801), 18609 states have call successors, (20801) [2024-10-11 02:55:24,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109226 states to 109226 states and 188326 transitions. [2024-10-11 02:55:24,743 INFO L78 Accepts]: Start accepts. Automaton has 109226 states and 188326 transitions. Word has length 132 [2024-10-11 02:55:24,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:55:24,743 INFO L471 AbstractCegarLoop]: Abstraction has 109226 states and 188326 transitions. [2024-10-11 02:55:24,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-11 02:55:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 109226 states and 188326 transitions. [2024-10-11 02:55:24,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-11 02:55:24,819 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:55:24,819 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:55:24,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 02:55:24,819 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:55:24,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:55:24,820 INFO L85 PathProgramCache]: Analyzing trace with hash 387597300, now seen corresponding path program 1 times [2024-10-11 02:55:24,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:55:24,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112842575] [2024-10-11 02:55:24,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:55:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:55:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:55:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:55:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:55:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:55:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:55:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:55:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:55:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:55:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:55:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:55:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:55:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:55:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:55:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 02:55:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:55:25,450 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:55:25,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:55:25,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112842575] [2024-10-11 02:55:25,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112842575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:55:25,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:55:25,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-11 02:55:25,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042251604] [2024-10-11 02:55:25,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:55:25,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 02:55:25,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:55:25,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 02:55:25,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-10-11 02:55:25,453 INFO L87 Difference]: Start difference. First operand 109226 states and 188326 transitions. Second operand has 18 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14)