./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_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db5154a0e253326ecbc6009dd1b2954eaac96f88a97328f2e835902c9850ef53 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:03:47,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:03:47,264 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:03:47,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:03:47,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:03:47,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:03:47,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:03:47,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:03:47,306 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:03:47,310 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:03:47,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:03:47,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:03:47,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:03:47,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:03:47,311 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:03:47,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:03:47,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:03:47,312 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:03:47,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:03:47,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:03:47,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:03:47,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:03:47,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:03:47,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:03:47,317 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:03:47,317 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:03:47,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:03:47,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:03:47,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:03:47,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:03:47,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:03:47,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:03:47,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:03:47,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:03:47,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:03:47,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:03:47,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:03:47,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:03:47,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:03:47,321 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:03:47,321 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:03:47,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:03:47,322 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db5154a0e253326ecbc6009dd1b2954eaac96f88a97328f2e835902c9850ef53 [2024-10-14 03:03:47,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:03:47,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:03:47,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:03:47,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:03:47,609 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:03:47,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2024-10-14 03:03:49,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:03:49,361 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:03:49,362 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2024-10-14 03:03:49,383 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/968717c3e/f4ab13fe5e6b4669abcd4c5f3adab52b/FLAG7a4993023 [2024-10-14 03:03:49,641 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/968717c3e/f4ab13fe5e6b4669abcd4c5f3adab52b [2024-10-14 03:03:49,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:03:49,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:03:49,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:03:49,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:03:49,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:03:49,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:03:49" (1/1) ... [2024-10-14 03:03:49,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3440b1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:49, skipping insertion in model container [2024-10-14 03:03:49,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:03:49" (1/1) ... [2024-10-14 03:03:49,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:03:50,055 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_product14.cil.c[17564,17577] [2024-10-14 03:03:50,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:03:50,259 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:03:50,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-10-14 03:03:50,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [414] [2024-10-14 03:03:50,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [432] [2024-10-14 03:03:50,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [740] [2024-10-14 03:03:50,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [749] [2024-10-14 03:03:50,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [855] [2024-10-14 03:03:50,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [897] [2024-10-14 03:03:50,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1300] [2024-10-14 03:03:50,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1525] [2024-10-14 03:03:50,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2598] [2024-10-14 03:03:50,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2879] [2024-10-14 03:03:50,348 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_product14.cil.c[17564,17577] [2024-10-14 03:03:50,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:03:50,436 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:03:50,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50 WrapperNode [2024-10-14 03:03:50,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:03:50,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:03:50,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:03:50,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:03:50,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,516 INFO L138 Inliner]: procedures = 126, calls = 192, calls flagged for inlining = 51, calls inlined = 43, statements flattened = 907 [2024-10-14 03:03:50,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:03:50,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:03:50,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:03:50,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:03:50,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,579 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]. [2024-10-14 03:03:50,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:03:50,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:03:50,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:03:50,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:03:50,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (1/1) ... [2024-10-14 03:03:50,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:03:50,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:03:50,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 03:03:50,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 03:03:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-14 03:03:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-14 03:03:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-14 03:03:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-14 03:03:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-14 03:03:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-14 03:03:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-14 03:03:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-14 03:03:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-14 03:03:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-14 03:03:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-14 03:03:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-14 03:03:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-14 03:03:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-14 03:03:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-14 03:03:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-14 03:03:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-14 03:03:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-14 03:03:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-14 03:03:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-14 03:03:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:03:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-14 03:03:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-14 03:03:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-14 03:03:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-14 03:03:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-14 03:03:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-14 03:03:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-14 03:03:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-14 03:03:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-10-14 03:03:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-10-14 03:03:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-14 03:03:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-14 03:03:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-14 03:03:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-14 03:03:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-14 03:03:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-14 03:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-14 03:03:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-14 03:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 03:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 03:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 03:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-14 03:03:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-14 03:03:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-14 03:03:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-14 03:03:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:03:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:03:50,983 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:03:50,986 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:03:51,892 INFO L? ?]: Removed 443 outVars from TransFormulas that were not future-live. [2024-10-14 03:03:51,893 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:03:51,962 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:03:51,962 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 03:03:51,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:03:51 BoogieIcfgContainer [2024-10-14 03:03:51,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:03:51,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:03:51,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:03:51,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:03:51,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:03:49" (1/3) ... [2024-10-14 03:03:51,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d62beaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:03:51, skipping insertion in model container [2024-10-14 03:03:51,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:50" (2/3) ... [2024-10-14 03:03:51,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d62beaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:03:51, skipping insertion in model container [2024-10-14 03:03:51,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:03:51" (3/3) ... [2024-10-14 03:03:51,972 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product14.cil.c [2024-10-14 03:03:51,993 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:03:51,993 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 03:03:52,068 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:03:52,076 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;@530dfb65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:03:52,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 03:03:52,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 320 states, 245 states have (on average 1.6408163265306122) internal successors, (402), 250 states have internal predecessors, (402), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 03:03:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 03:03:52,105 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:03:52,107 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] [2024-10-14 03:03:52,108 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:03:52,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:03:52,113 INFO L85 PathProgramCache]: Analyzing trace with hash 828292549, now seen corresponding path program 1 times [2024-10-14 03:03:52,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:03:52,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172284087] [2024-10-14 03:03:52,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:52,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:03:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:03:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:03:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:03:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:03:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:03:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:03:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 03:03:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 03:03:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:03:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:03:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:03:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:52,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:03:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 03:03:53,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:03:53,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172284087] [2024-10-14 03:03:53,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172284087] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:03:53,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585119880] [2024-10-14 03:03:53,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:53,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:03:53,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:03:53,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:03:53,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 03:03:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:53,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 03:03:53,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:03:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:03:53,422 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:03:53,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585119880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:03:53,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:03:53,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-14 03:03:53,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449514395] [2024-10-14 03:03:53,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:03:53,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 03:03:53,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:03:53,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 03:03:53,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:03:53,462 INFO L87 Difference]: Start difference. First operand has 320 states, 245 states have (on average 1.6408163265306122) internal successors, (402), 250 states have internal predecessors, (402), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:03:53,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:03:53,546 INFO L93 Difference]: Finished difference Result 460 states and 718 transitions. [2024-10-14 03:03:53,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 03:03:53,552 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 92 [2024-10-14 03:03:53,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:03:53,573 INFO L225 Difference]: With dead ends: 460 [2024-10-14 03:03:53,573 INFO L226 Difference]: Without dead ends: 317 [2024-10-14 03:03:53,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:03:53,585 INFO L432 NwaCegarLoop]: 491 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:03:53,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 491 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:03:53,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-10-14 03:03:53,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2024-10-14 03:03:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 243 states have (on average 1.625514403292181) internal successors, (395), 247 states have internal predecessors, (395), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-14 03:03:53,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 498 transitions. [2024-10-14 03:03:53,664 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 498 transitions. Word has length 92 [2024-10-14 03:03:53,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:03:53,665 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 498 transitions. [2024-10-14 03:03:53,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:03:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 498 transitions. [2024-10-14 03:03:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-14 03:03:53,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:03:53,675 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] [2024-10-14 03:03:53,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 03:03:53,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-14 03:03:53,877 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:03:53,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:03:53,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1067197026, now seen corresponding path program 1 times [2024-10-14 03:03:53,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:03:53,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042340587] [2024-10-14 03:03:53,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:53,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:03:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:03:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:03:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:03:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:03:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:03:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:03:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 03:03:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 03:03:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:03:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:03:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:03:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 03:03:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,250 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 03:03:54,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:03:54,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042340587] [2024-10-14 03:03:54,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042340587] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:03:54,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478976378] [2024-10-14 03:03:54,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:54,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:03:54,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:03:54,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:03:54,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 03:03:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:54,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 03:03:54,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:03:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:03:54,553 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:03:54,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478976378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:03:54,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:03:54,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 03:03:54,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727111180] [2024-10-14 03:03:54,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:03:54,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:03:54,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:03:54,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:03:54,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:03:54,556 INFO L87 Difference]: Start difference. First operand 317 states and 498 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:03:54,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:03:54,639 INFO L93 Difference]: Finished difference Result 456 states and 702 transitions. [2024-10-14 03:03:54,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:03:54,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 93 [2024-10-14 03:03:54,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:03:54,646 INFO L225 Difference]: With dead ends: 456 [2024-10-14 03:03:54,648 INFO L226 Difference]: Without dead ends: 319 [2024-10-14 03:03:54,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:03:54,651 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 0 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:03:54,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 975 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:03:54,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-10-14 03:03:54,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2024-10-14 03:03:54,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 245 states have (on average 1.620408163265306) internal successors, (397), 249 states have internal predecessors, (397), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-14 03:03:54,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 500 transitions. [2024-10-14 03:03:54,688 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 500 transitions. Word has length 93 [2024-10-14 03:03:54,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:03:54,689 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 500 transitions. [2024-10-14 03:03:54,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:03:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 500 transitions. [2024-10-14 03:03:54,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 03:03:54,692 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:03:54,692 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] [2024-10-14 03:03:54,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 03:03:54,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-14 03:03:54,895 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:03:54,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:03:54,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1177555207, now seen corresponding path program 1 times [2024-10-14 03:03:54,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:03:54,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647367740] [2024-10-14 03:03:54,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:54,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:03:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:03:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:03:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:03:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:03:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:03:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:03:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 03:03:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 03:03:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 03:03:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:03:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:03:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:03:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,180 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:03:55,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:03:55,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647367740] [2024-10-14 03:03:55,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647367740] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:03:55,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163259590] [2024-10-14 03:03:55,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:55,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:03:55,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:03:55,184 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:03:55,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 03:03:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 03:03:55,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:03:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:03:55,492 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:03:55,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163259590] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:03:55,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:03:55,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 03:03:55,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767254651] [2024-10-14 03:03:55,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:03:55,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:03:55,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:03:55,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:03:55,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:03:55,495 INFO L87 Difference]: Start difference. First operand 319 states and 500 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:03:55,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:03:55,543 INFO L93 Difference]: Finished difference Result 682 states and 1085 transitions. [2024-10-14 03:03:55,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:03:55,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2024-10-14 03:03:55,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:03:55,551 INFO L225 Difference]: With dead ends: 682 [2024-10-14 03:03:55,552 INFO L226 Difference]: Without dead ends: 385 [2024-10-14 03:03:55,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:03:55,554 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 122 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:03:55,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 941 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:03:55,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-14 03:03:55,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 380. [2024-10-14 03:03:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 292 states have (on average 1.6335616438356164) internal successors, (477), 296 states have internal predecessors, (477), 66 states have call successors, (66), 21 states have call predecessors, (66), 21 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-14 03:03:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 608 transitions. [2024-10-14 03:03:55,596 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 608 transitions. Word has length 98 [2024-10-14 03:03:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:03:55,597 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 608 transitions. [2024-10-14 03:03:55,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:03:55,598 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 608 transitions. [2024-10-14 03:03:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 03:03:55,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:03:55,601 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] [2024-10-14 03:03:55,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 03:03:55,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:03:55,802 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:03:55,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:03:55,802 INFO L85 PathProgramCache]: Analyzing trace with hash -498097210, now seen corresponding path program 1 times [2024-10-14 03:03:55,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:03:55,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764301619] [2024-10-14 03:03:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:55,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:03:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:03:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:03:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:03:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:03:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:03:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:03:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:55,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-14 03:03:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 03:03:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 03:03:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:03:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:03:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 03:03:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:03:56,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:03:56,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764301619] [2024-10-14 03:03:56,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764301619] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:03:56,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064593097] [2024-10-14 03:03:56,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:56,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:03:56,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:03:56,021 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:03:56,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 03:03:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 03:03:56,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:03:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 03:03:56,351 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:03:56,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064593097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:03:56,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:03:56,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-14 03:03:56,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068511359] [2024-10-14 03:03:56,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:03:56,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:03:56,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:03:56,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:03:56,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:03:56,353 INFO L87 Difference]: Start difference. First operand 380 states and 608 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:03:56,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:03:56,478 INFO L93 Difference]: Finished difference Result 755 states and 1210 transitions. [2024-10-14 03:03:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:03:56,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 99 [2024-10-14 03:03:56,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:03:56,483 INFO L225 Difference]: With dead ends: 755 [2024-10-14 03:03:56,483 INFO L226 Difference]: Without dead ends: 382 [2024-10-14 03:03:56,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:03:56,487 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 2 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:03:56,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1909 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:03:56,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-10-14 03:03:56,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-10-14 03:03:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 293 states have (on average 1.6313993174061434) internal successors, (478), 298 states have internal predecessors, (478), 66 states have call successors, (66), 21 states have call predecessors, (66), 22 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2024-10-14 03:03:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 611 transitions. [2024-10-14 03:03:56,514 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 611 transitions. Word has length 99 [2024-10-14 03:03:56,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:03:56,514 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 611 transitions. [2024-10-14 03:03:56,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:03:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 611 transitions. [2024-10-14 03:03:56,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 03:03:56,519 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:03:56,519 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] [2024-10-14 03:03:56,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 03:03:56,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:03:56,721 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:03:56,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:03:56,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1325691013, now seen corresponding path program 1 times [2024-10-14 03:03:56,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:03:56,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054099380] [2024-10-14 03:03:56,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:56,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:03:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:03:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:03:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:03:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:03:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 03:03:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 03:03:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 03:03:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:56,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:03:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 03:03:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 03:03:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 03:03:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 03:03:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 03:03:57,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:03:57,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054099380] [2024-10-14 03:03:57,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054099380] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:03:57,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987020487] [2024-10-14 03:03:57,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:57,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:03:57,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:03:57,011 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:03:57,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 03:03:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 03:03:57,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:03:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 03:03:57,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:03:57,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987020487] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:03:57,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:03:57,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-14 03:03:57,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433610560] [2024-10-14 03:03:57,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:03:57,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:03:57,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:03:57,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:03:57,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:03:57,360 INFO L87 Difference]: Start difference. First operand 382 states and 611 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:03:57,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:03:57,465 INFO L93 Difference]: Finished difference Result 757 states and 1215 transitions. [2024-10-14 03:03:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:03:57,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 100 [2024-10-14 03:03:57,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:03:57,469 INFO L225 Difference]: With dead ends: 757 [2024-10-14 03:03:57,469 INFO L226 Difference]: Without dead ends: 384 [2024-10-14 03:03:57,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:03:57,471 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 2 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:03:57,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1895 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:03:57,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-10-14 03:03:57,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-10-14 03:03:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 294 states have (on average 1.629251700680272) internal successors, (479), 300 states have internal predecessors, (479), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-10-14 03:03:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 617 transitions. [2024-10-14 03:03:57,485 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 617 transitions. Word has length 100 [2024-10-14 03:03:57,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:03:57,485 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 617 transitions. [2024-10-14 03:03:57,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:03:57,485 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 617 transitions. [2024-10-14 03:03:57,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-14 03:03:57,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:03:57,487 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] [2024-10-14 03:03:57,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 03:03:57,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:03:57,689 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:03:57,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:03:57,689 INFO L85 PathProgramCache]: Analyzing trace with hash 661582331, now seen corresponding path program 1 times [2024-10-14 03:03:57,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:03:57,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734800211] [2024-10-14 03:03:57,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:57,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:03:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:03:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:03:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:03:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:03:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:03:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 03:03:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 03:03:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:03:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:03:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 03:03:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 03:03:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:03:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:03:57,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:03:57,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:03:57,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734800211] [2024-10-14 03:03:57,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734800211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:03:57,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:03:57,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:03:57,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943459047] [2024-10-14 03:03:57,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:03:57,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:03:57,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:03:57,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:03:57,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:03:57,911 INFO L87 Difference]: Start difference. First operand 384 states and 617 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:03:59,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:03:59,827 INFO L93 Difference]: Finished difference Result 821 states and 1340 transitions. [2024-10-14 03:03:59,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:03:59,827 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 101 [2024-10-14 03:03:59,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:03:59,831 INFO L225 Difference]: With dead ends: 821 [2024-10-14 03:03:59,831 INFO L226 Difference]: Without dead ends: 456 [2024-10-14 03:03:59,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:03:59,833 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1045 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 2374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-14 03:03:59,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1046 Valid, 1149 Invalid, 2374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-14 03:03:59,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-10-14 03:03:59,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 384. [2024-10-14 03:03:59,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 294 states have (on average 1.629251700680272) internal successors, (479), 300 states have internal predecessors, (479), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2024-10-14 03:03:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 616 transitions. [2024-10-14 03:03:59,869 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 616 transitions. Word has length 101 [2024-10-14 03:03:59,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:03:59,870 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 616 transitions. [2024-10-14 03:03:59,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:03:59,870 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 616 transitions. [2024-10-14 03:03:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-14 03:03:59,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:03:59,873 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] [2024-10-14 03:03:59,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 03:03:59,874 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:03:59,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:03:59,874 INFO L85 PathProgramCache]: Analyzing trace with hash -721547890, now seen corresponding path program 2 times [2024-10-14 03:03:59,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:03:59,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803733456] [2024-10-14 03:03:59,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:03:59,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:03:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 03:04:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 03:04:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 03:04:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:04:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:04:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:04:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 03:04:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:00,088 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:04:00,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:00,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803733456] [2024-10-14 03:04:00,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803733456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:00,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:00,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:04:00,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978846137] [2024-10-14 03:04:00,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:00,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:04:00,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:00,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:04:00,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:04:00,090 INFO L87 Difference]: Start difference. First operand 384 states and 616 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:04:01,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:01,880 INFO L93 Difference]: Finished difference Result 823 states and 1343 transitions. [2024-10-14 03:04:01,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:04:01,880 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 102 [2024-10-14 03:04:01,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:01,884 INFO L225 Difference]: With dead ends: 823 [2024-10-14 03:04:01,886 INFO L226 Difference]: Without dead ends: 458 [2024-10-14 03:04:01,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:04:01,890 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1043 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 2394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:01,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 1149 Invalid, 2394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 2059 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 03:04:01,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-14 03:04:01,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 386. [2024-10-14 03:04:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 295 states have (on average 1.6271186440677967) internal successors, (480), 302 states have internal predecessors, (480), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2024-10-14 03:04:01,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 619 transitions. [2024-10-14 03:04:01,936 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 619 transitions. Word has length 102 [2024-10-14 03:04:01,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:01,937 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 619 transitions. [2024-10-14 03:04:01,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:04:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 619 transitions. [2024-10-14 03:04:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 03:04:01,940 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:01,940 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] [2024-10-14 03:04:01,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 03:04:01,940 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:01,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:01,941 INFO L85 PathProgramCache]: Analyzing trace with hash 260328226, now seen corresponding path program 1 times [2024-10-14 03:04:01,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:01,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708819643] [2024-10-14 03:04:01,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:01,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 03:04:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 03:04:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:04:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:04:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:04:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 03:04:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:02,162 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:04:02,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:02,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708819643] [2024-10-14 03:04:02,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708819643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:02,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:02,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:04:02,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219982977] [2024-10-14 03:04:02,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:02,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:04:02,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:02,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:04:02,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:04:02,164 INFO L87 Difference]: Start difference. First operand 386 states and 619 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:04:03,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:03,878 INFO L93 Difference]: Finished difference Result 823 states and 1342 transitions. [2024-10-14 03:04:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:04:03,879 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 103 [2024-10-14 03:04:03,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:03,884 INFO L225 Difference]: With dead ends: 823 [2024-10-14 03:04:03,884 INFO L226 Difference]: Without dead ends: 458 [2024-10-14 03:04:03,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:04:03,892 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 1043 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 2062 mSolverCounterSat, 333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 2395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 2062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:03,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 1147 Invalid, 2395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 2062 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 03:04:03,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-14 03:04:03,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 386. [2024-10-14 03:04:03,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 295 states have (on average 1.6271186440677967) internal successors, (480), 302 states have internal predecessors, (480), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2024-10-14 03:04:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 619 transitions. [2024-10-14 03:04:03,950 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 619 transitions. Word has length 103 [2024-10-14 03:04:03,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:03,950 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 619 transitions. [2024-10-14 03:04:03,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-14 03:04:03,951 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 619 transitions. [2024-10-14 03:04:03,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 03:04:03,952 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:03,952 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] [2024-10-14 03:04:03,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 03:04:03,953 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:03,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:03,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1227678880, now seen corresponding path program 1 times [2024-10-14 03:04:03,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:03,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248130463] [2024-10-14 03:04:03,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:03,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 03:04:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 03:04:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:04:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:04:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:04:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 03:04:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 03:04:04,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:04,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248130463] [2024-10-14 03:04:04,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248130463] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:04,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:04,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:04:04,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415025161] [2024-10-14 03:04:04,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:04,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:04:04,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:04,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:04:04,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:04:04,180 INFO L87 Difference]: Start difference. First operand 386 states and 619 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 03:04:06,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:06,202 INFO L93 Difference]: Finished difference Result 821 states and 1337 transitions. [2024-10-14 03:04:06,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:04:06,202 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 103 [2024-10-14 03:04:06,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:06,205 INFO L225 Difference]: With dead ends: 821 [2024-10-14 03:04:06,206 INFO L226 Difference]: Without dead ends: 458 [2024-10-14 03:04:06,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:04:06,208 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 1044 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 3432 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 3772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 3432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:06,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 1597 Invalid, 3772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 3432 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 03:04:06,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-14 03:04:06,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 386. [2024-10-14 03:04:06,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 295 states have (on average 1.6271186440677967) internal successors, (480), 302 states have internal predecessors, (480), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-10-14 03:04:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 618 transitions. [2024-10-14 03:04:06,244 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 618 transitions. Word has length 103 [2024-10-14 03:04:06,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:06,244 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 618 transitions. [2024-10-14 03:04:06,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 03:04:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 618 transitions. [2024-10-14 03:04:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 03:04:06,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:06,246 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] [2024-10-14 03:04:06,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 03:04:06,247 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:06,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:06,247 INFO L85 PathProgramCache]: Analyzing trace with hash -438175654, now seen corresponding path program 2 times [2024-10-14 03:04:06,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:06,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085619839] [2024-10-14 03:04:06,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:06,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 03:04:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 03:04:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:04:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:04:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:04:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:04:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 03:04:06,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:06,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085619839] [2024-10-14 03:04:06,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085619839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:06,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:06,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:04:06,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596331603] [2024-10-14 03:04:06,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:06,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:04:06,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:06,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:04:06,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:04:06,483 INFO L87 Difference]: Start difference. First operand 386 states and 618 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 03:04:08,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:08,456 INFO L93 Difference]: Finished difference Result 823 states and 1343 transitions. [2024-10-14 03:04:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:04:08,457 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 104 [2024-10-14 03:04:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:08,461 INFO L225 Difference]: With dead ends: 823 [2024-10-14 03:04:08,461 INFO L226 Difference]: Without dead ends: 460 [2024-10-14 03:04:08,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:04:08,464 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1039 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 3476 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 3804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 3476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:08,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1598 Invalid, 3804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 3476 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 03:04:08,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-10-14 03:04:08,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 388. [2024-10-14 03:04:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 296 states have (on average 1.625) internal successors, (481), 304 states have internal predecessors, (481), 66 states have call successors, (66), 21 states have call predecessors, (66), 25 states have return successors, (77), 64 states have call predecessors, (77), 65 states have call successors, (77) [2024-10-14 03:04:08,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 624 transitions. [2024-10-14 03:04:08,507 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 624 transitions. Word has length 104 [2024-10-14 03:04:08,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:08,508 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 624 transitions. [2024-10-14 03:04:08,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 03:04:08,508 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 624 transitions. [2024-10-14 03:04:08,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-14 03:04:08,510 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:08,510 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] [2024-10-14 03:04:08,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 03:04:08,511 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:08,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:08,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1686942693, now seen corresponding path program 1 times [2024-10-14 03:04:08,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:08,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720177933] [2024-10-14 03:04:08,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:08,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:04:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 03:04:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:04:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:04:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:04:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:04:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,698 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:08,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:08,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720177933] [2024-10-14 03:04:08,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720177933] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:04:08,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849639362] [2024-10-14 03:04:08,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:08,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:04:08,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:04:08,700 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:04:08,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 03:04:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:08,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 03:04:08,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:04:08,975 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:08,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:04:09,062 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:09,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849639362] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:04:09,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:04:09,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-10-14 03:04:09,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684282209] [2024-10-14 03:04:09,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:04:09,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 03:04:09,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:09,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 03:04:09,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-14 03:04:09,067 INFO L87 Difference]: Start difference. First operand 388 states and 624 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 03:04:10,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:10,636 INFO L93 Difference]: Finished difference Result 997 states and 1699 transitions. [2024-10-14 03:04:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:04:10,636 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 105 [2024-10-14 03:04:10,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:10,642 INFO L225 Difference]: With dead ends: 997 [2024-10-14 03:04:10,642 INFO L226 Difference]: Without dead ends: 860 [2024-10-14 03:04:10,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:04:10,644 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1582 mSDsluCounter, 1297 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:10,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 1527 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 03:04:10,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2024-10-14 03:04:10,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 773. [2024-10-14 03:04:10,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 602 states have (on average 1.6710963455149501) internal successors, (1006), 610 states have internal predecessors, (1006), 145 states have call successors, (145), 21 states have call predecessors, (145), 25 states have return successors, (166), 143 states have call predecessors, (166), 144 states have call successors, (166) [2024-10-14 03:04:10,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1317 transitions. [2024-10-14 03:04:10,690 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1317 transitions. Word has length 105 [2024-10-14 03:04:10,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:10,691 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 1317 transitions. [2024-10-14 03:04:10,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-14 03:04:10,691 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1317 transitions. [2024-10-14 03:04:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-14 03:04:10,695 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:10,695 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] [2024-10-14 03:04:10,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 03:04:10,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:04:10,896 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:10,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:10,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2119054078, now seen corresponding path program 1 times [2024-10-14 03:04:10,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:10,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091560798] [2024-10-14 03:04:10,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:10,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:10,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:10,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:10,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:10,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:10,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:10,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:10,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 03:04:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:04:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:10,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:04:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:11,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:04:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:11,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:04:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:11,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 03:04:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:11,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:11,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091560798] [2024-10-14 03:04:11,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091560798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:11,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:11,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:04:11,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119783165] [2024-10-14 03:04:11,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:11,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:04:11,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:11,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:04:11,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:04:11,008 INFO L87 Difference]: Start difference. First operand 773 states and 1317 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:12,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:12,301 INFO L93 Difference]: Finished difference Result 1945 states and 3394 transitions. [2024-10-14 03:04:12,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:04:12,302 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-10-14 03:04:12,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:12,310 INFO L225 Difference]: With dead ends: 1945 [2024-10-14 03:04:12,310 INFO L226 Difference]: Without dead ends: 1232 [2024-10-14 03:04:12,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:04:12,314 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1161 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:12,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 885 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 1162 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 03:04:12,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2024-10-14 03:04:12,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1155. [2024-10-14 03:04:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 905 states have (on average 1.6773480662983424) internal successors, (1518), 913 states have internal predecessors, (1518), 224 states have call successors, (224), 21 states have call predecessors, (224), 25 states have return successors, (255), 222 states have call predecessors, (255), 223 states have call successors, (255) [2024-10-14 03:04:12,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1997 transitions. [2024-10-14 03:04:12,375 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1997 transitions. Word has length 111 [2024-10-14 03:04:12,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:12,375 INFO L471 AbstractCegarLoop]: Abstraction has 1155 states and 1997 transitions. [2024-10-14 03:04:12,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1997 transitions. [2024-10-14 03:04:12,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 03:04:12,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:12,382 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] [2024-10-14 03:04:12,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 03:04:12,382 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:12,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:12,383 INFO L85 PathProgramCache]: Analyzing trace with hash 535576136, now seen corresponding path program 1 times [2024-10-14 03:04:12,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:12,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730192525] [2024-10-14 03:04:12,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:12,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 03:04:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:04:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:04:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:04:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:04:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:04:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:12,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:12,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730192525] [2024-10-14 03:04:12,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730192525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:12,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:12,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:04:12,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710387839] [2024-10-14 03:04:12,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:12,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:04:12,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:12,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:04:12,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:04:12,492 INFO L87 Difference]: Start difference. First operand 1155 states and 1997 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:13,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:13,835 INFO L93 Difference]: Finished difference Result 2876 states and 5050 transitions. [2024-10-14 03:04:13,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:04:13,835 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2024-10-14 03:04:13,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:13,846 INFO L225 Difference]: With dead ends: 2876 [2024-10-14 03:04:13,847 INFO L226 Difference]: Without dead ends: 1831 [2024-10-14 03:04:13,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:04:13,852 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1155 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:13,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 849 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 03:04:13,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2024-10-14 03:04:13,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1754. [2024-10-14 03:04:13,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1754 states, 1385 states have (on average 1.6808664259927797) internal successors, (2328), 1393 states have internal predecessors, (2328), 343 states have call successors, (343), 21 states have call predecessors, (343), 25 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2024-10-14 03:04:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 3045 transitions. [2024-10-14 03:04:13,930 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 3045 transitions. Word has length 112 [2024-10-14 03:04:13,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:13,931 INFO L471 AbstractCegarLoop]: Abstraction has 1754 states and 3045 transitions. [2024-10-14 03:04:13,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 3045 transitions. [2024-10-14 03:04:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-14 03:04:13,940 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:13,940 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] [2024-10-14 03:04:13,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 03:04:13,940 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:13,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:13,941 INFO L85 PathProgramCache]: Analyzing trace with hash 674849700, now seen corresponding path program 1 times [2024-10-14 03:04:13,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:13,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551649979] [2024-10-14 03:04:13,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:13,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 03:04:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:04:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:04:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 03:04:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 03:04:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:04:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:14,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:14,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551649979] [2024-10-14 03:04:14,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551649979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:14,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:14,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:04:14,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158711005] [2024-10-14 03:04:14,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:14,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:04:14,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:14,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:04:14,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:04:14,055 INFO L87 Difference]: Start difference. First operand 1754 states and 3045 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:15,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:15,252 INFO L93 Difference]: Finished difference Result 4272 states and 7555 transitions. [2024-10-14 03:04:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:04:15,253 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-10-14 03:04:15,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:15,270 INFO L225 Difference]: With dead ends: 4272 [2024-10-14 03:04:15,270 INFO L226 Difference]: Without dead ends: 2748 [2024-10-14 03:04:15,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:04:15,279 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 1156 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:15,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1174 Valid, 842 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:04:15,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2024-10-14 03:04:15,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2671. [2024-10-14 03:04:15,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2671 states, 2140 states have (on average 1.6845794392523366) internal successors, (3605), 2148 states have internal predecessors, (3605), 505 states have call successors, (505), 21 states have call predecessors, (505), 25 states have return successors, (552), 503 states have call predecessors, (552), 504 states have call successors, (552) [2024-10-14 03:04:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 4662 transitions. [2024-10-14 03:04:15,431 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 4662 transitions. Word has length 113 [2024-10-14 03:04:15,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:15,432 INFO L471 AbstractCegarLoop]: Abstraction has 2671 states and 4662 transitions. [2024-10-14 03:04:15,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 4662 transitions. [2024-10-14 03:04:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-14 03:04:15,446 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:15,446 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] [2024-10-14 03:04:15,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 03:04:15,446 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:15,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:15,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2131739753, now seen corresponding path program 1 times [2024-10-14 03:04:15,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:15,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762245133] [2024-10-14 03:04:15,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:15,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:04:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:04:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:04:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 03:04:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 03:04:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:04:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:15,579 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:15,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:15,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762245133] [2024-10-14 03:04:15,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762245133] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:15,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:15,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:04:15,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111757765] [2024-10-14 03:04:15,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:15,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:04:15,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:15,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:04:15,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:04:15,583 INFO L87 Difference]: Start difference. First operand 2671 states and 4662 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:16,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:16,687 INFO L93 Difference]: Finished difference Result 6472 states and 11515 transitions. [2024-10-14 03:04:16,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:04:16,687 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2024-10-14 03:04:16,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:16,710 INFO L225 Difference]: With dead ends: 6472 [2024-10-14 03:04:16,710 INFO L226 Difference]: Without dead ends: 4228 [2024-10-14 03:04:16,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:04:16,719 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1154 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1172 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 400 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:16,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1172 Valid, 841 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [400 Valid, 1132 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:04:16,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2024-10-14 03:04:16,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 4151. [2024-10-14 03:04:16,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4151 states, 3375 states have (on average 1.6874074074074075) internal successors, (5695), 3383 states have internal predecessors, (5695), 750 states have call successors, (750), 21 states have call predecessors, (750), 25 states have return successors, (823), 748 states have call predecessors, (823), 749 states have call successors, (823) [2024-10-14 03:04:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4151 states to 4151 states and 7268 transitions. [2024-10-14 03:04:16,897 INFO L78 Accepts]: Start accepts. Automaton has 4151 states and 7268 transitions. Word has length 114 [2024-10-14 03:04:16,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:16,897 INFO L471 AbstractCegarLoop]: Abstraction has 4151 states and 7268 transitions. [2024-10-14 03:04:16,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:16,898 INFO L276 IsEmpty]: Start isEmpty. Operand 4151 states and 7268 transitions. [2024-10-14 03:04:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 03:04:16,912 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:16,912 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] [2024-10-14 03:04:16,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 03:04:16,912 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:16,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:16,913 INFO L85 PathProgramCache]: Analyzing trace with hash 630954080, now seen corresponding path program 1 times [2024-10-14 03:04:16,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:16,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122084828] [2024-10-14 03:04:16,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:16,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:16,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:16,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:16,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:16,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:16,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:16,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:16,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:04:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:17,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:04:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:17,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:04:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:17,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:04:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:17,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 03:04:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 03:04:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:17,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:17,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:17,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122084828] [2024-10-14 03:04:17,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122084828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:17,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:17,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:04:17,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145128243] [2024-10-14 03:04:17,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:17,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:04:17,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:17,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:04:17,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:04:17,012 INFO L87 Difference]: Start difference. First operand 4151 states and 7268 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:18,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:18,502 INFO L93 Difference]: Finished difference Result 10401 states and 18540 transitions. [2024-10-14 03:04:18,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:04:18,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-10-14 03:04:18,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:18,542 INFO L225 Difference]: With dead ends: 10401 [2024-10-14 03:04:18,542 INFO L226 Difference]: Without dead ends: 6900 [2024-10-14 03:04:18,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:04:18,559 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1152 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 1574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:18,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 887 Invalid, 1574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 03:04:18,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6900 states. [2024-10-14 03:04:18,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6900 to 6823. [2024-10-14 03:04:18,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6823 states, 5554 states have (on average 1.68149081742888) internal successors, (9339), 5562 states have internal predecessors, (9339), 1243 states have call successors, (1243), 21 states have call predecessors, (1243), 25 states have return successors, (1360), 1241 states have call predecessors, (1360), 1242 states have call successors, (1360) [2024-10-14 03:04:18,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6823 states to 6823 states and 11942 transitions. [2024-10-14 03:04:18,915 INFO L78 Accepts]: Start accepts. Automaton has 6823 states and 11942 transitions. Word has length 115 [2024-10-14 03:04:18,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:18,916 INFO L471 AbstractCegarLoop]: Abstraction has 6823 states and 11942 transitions. [2024-10-14 03:04:18,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:18,917 INFO L276 IsEmpty]: Start isEmpty. Operand 6823 states and 11942 transitions. [2024-10-14 03:04:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-14 03:04:18,936 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:18,936 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] [2024-10-14 03:04:18,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 03:04:18,937 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:18,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:18,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2062693293, now seen corresponding path program 1 times [2024-10-14 03:04:18,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:18,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117590787] [2024-10-14 03:04:18,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:18,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:18,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:04:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:04:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 03:04:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:04:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 03:04:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 03:04:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:19,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:19,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117590787] [2024-10-14 03:04:19,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117590787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:19,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:19,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:04:19,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116636337] [2024-10-14 03:04:19,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:19,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:04:19,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:19,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:04:19,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:04:19,041 INFO L87 Difference]: Start difference. First operand 6823 states and 11942 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:20,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:20,333 INFO L93 Difference]: Finished difference Result 17380 states and 30951 transitions. [2024-10-14 03:04:20,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:04:20,334 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2024-10-14 03:04:20,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:20,386 INFO L225 Difference]: With dead ends: 17380 [2024-10-14 03:04:20,386 INFO L226 Difference]: Without dead ends: 11573 [2024-10-14 03:04:20,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:04:20,413 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 1149 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 1550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 411 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:20,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 843 Invalid, 1550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [411 Valid, 1139 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:04:20,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11573 states. [2024-10-14 03:04:20,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11573 to 11496. [2024-10-14 03:04:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11496 states, 9405 states have (on average 1.680595427963849) internal successors, (15806), 9413 states have internal predecessors, (15806), 2065 states have call successors, (2065), 21 states have call predecessors, (2065), 25 states have return successors, (2260), 2063 states have call predecessors, (2260), 2064 states have call successors, (2260) [2024-10-14 03:04:20,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11496 states to 11496 states and 20131 transitions. [2024-10-14 03:04:20,960 INFO L78 Accepts]: Start accepts. Automaton has 11496 states and 20131 transitions. Word has length 116 [2024-10-14 03:04:20,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:20,962 INFO L471 AbstractCegarLoop]: Abstraction has 11496 states and 20131 transitions. [2024-10-14 03:04:20,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 11496 states and 20131 transitions. [2024-10-14 03:04:20,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-14 03:04:20,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:20,991 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] [2024-10-14 03:04:20,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 03:04:20,991 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:20,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:20,992 INFO L85 PathProgramCache]: Analyzing trace with hash -826363678, now seen corresponding path program 1 times [2024-10-14 03:04:20,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:20,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363656805] [2024-10-14 03:04:20,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:20,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:04:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 03:04:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 03:04:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:04:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 03:04:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 03:04:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:21,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:21,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363656805] [2024-10-14 03:04:21,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363656805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:21,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:21,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:04:21,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228424739] [2024-10-14 03:04:21,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:21,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:04:21,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:21,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:04:21,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:04:21,121 INFO L87 Difference]: Start difference. First operand 11496 states and 20131 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:22,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:22,454 INFO L93 Difference]: Finished difference Result 27506 states and 48769 transitions. [2024-10-14 03:04:22,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:04:22,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2024-10-14 03:04:22,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:22,531 INFO L225 Difference]: With dead ends: 27506 [2024-10-14 03:04:22,531 INFO L226 Difference]: Without dead ends: 17957 [2024-10-14 03:04:22,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:04:22,570 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1149 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:22,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 819 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:04:22,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17957 states. [2024-10-14 03:04:23,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17957 to 17880. [2024-10-14 03:04:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17880 states, 14586 states have (on average 1.656588509529686) internal successors, (24163), 14594 states have internal predecessors, (24163), 3268 states have call successors, (3268), 21 states have call predecessors, (3268), 25 states have return successors, (3607), 3266 states have call predecessors, (3607), 3267 states have call successors, (3607) [2024-10-14 03:04:23,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17880 states to 17880 states and 31038 transitions. [2024-10-14 03:04:23,426 INFO L78 Accepts]: Start accepts. Automaton has 17880 states and 31038 transitions. Word has length 117 [2024-10-14 03:04:23,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:23,427 INFO L471 AbstractCegarLoop]: Abstraction has 17880 states and 31038 transitions. [2024-10-14 03:04:23,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 17880 states and 31038 transitions. [2024-10-14 03:04:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-14 03:04:23,454 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:23,454 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] [2024-10-14 03:04:23,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 03:04:23,454 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:23,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:23,455 INFO L85 PathProgramCache]: Analyzing trace with hash 370224494, now seen corresponding path program 1 times [2024-10-14 03:04:23,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:23,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962261602] [2024-10-14 03:04:23,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:23,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:04:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 03:04:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 03:04:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:04:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 03:04:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-14 03:04:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:23,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:23,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962261602] [2024-10-14 03:04:23,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962261602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:23,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:23,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:04:23,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503698796] [2024-10-14 03:04:23,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:23,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:04:23,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:23,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:04:23,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:04:23,558 INFO L87 Difference]: Start difference. First operand 17880 states and 31038 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:25,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:25,386 INFO L93 Difference]: Finished difference Result 47331 states and 83676 transitions. [2024-10-14 03:04:25,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:04:25,386 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-10-14 03:04:25,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:25,539 INFO L225 Difference]: With dead ends: 47331 [2024-10-14 03:04:25,539 INFO L226 Difference]: Without dead ends: 31990 [2024-10-14 03:04:25,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:04:25,600 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1149 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:25,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 842 Invalid, 1542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:04:25,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31990 states. [2024-10-14 03:04:26,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31990 to 31913. [2024-10-14 03:04:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31913 states, 26169 states have (on average 1.6533684894340632) internal successors, (43267), 26177 states have internal predecessors, (43267), 5718 states have call successors, (5718), 21 states have call predecessors, (5718), 25 states have return successors, (6331), 5716 states have call predecessors, (6331), 5717 states have call successors, (6331) [2024-10-14 03:04:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31913 states to 31913 states and 55316 transitions. [2024-10-14 03:04:27,171 INFO L78 Accepts]: Start accepts. Automaton has 31913 states and 55316 transitions. Word has length 118 [2024-10-14 03:04:27,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:27,171 INFO L471 AbstractCegarLoop]: Abstraction has 31913 states and 55316 transitions. [2024-10-14 03:04:27,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:27,172 INFO L276 IsEmpty]: Start isEmpty. Operand 31913 states and 55316 transitions. [2024-10-14 03:04:27,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-14 03:04:27,195 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:27,195 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] [2024-10-14 03:04:27,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 03:04:27,196 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:27,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:27,196 INFO L85 PathProgramCache]: Analyzing trace with hash -963722628, now seen corresponding path program 1 times [2024-10-14 03:04:27,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:27,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146598345] [2024-10-14 03:04:27,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:27,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:04:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:04:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 03:04:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 03:04:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:04:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 03:04:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:27,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:27,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146598345] [2024-10-14 03:04:27,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146598345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:27,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:27,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:04:27,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610077621] [2024-10-14 03:04:27,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:27,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:04:27,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:27,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:04:27,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:04:27,308 INFO L87 Difference]: Start difference. First operand 31913 states and 55316 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:29,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:29,917 INFO L93 Difference]: Finished difference Result 87053 states and 153135 transitions. [2024-10-14 03:04:29,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:04:29,918 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-10-14 03:04:29,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:30,169 INFO L225 Difference]: With dead ends: 87053 [2024-10-14 03:04:30,169 INFO L226 Difference]: Without dead ends: 58538 [2024-10-14 03:04:30,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:04:30,255 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1147 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 1547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:30,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1166 Valid, 856 Invalid, 1547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [410 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 03:04:30,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58538 states. [2024-10-14 03:04:32,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58538 to 58461. [2024-10-14 03:04:32,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58461 states, 48204 states have (on average 1.649261472077006) internal successors, (79501), 48212 states have internal predecessors, (79501), 10231 states have call successors, (10231), 21 states have call predecessors, (10231), 25 states have return successors, (11376), 10229 states have call predecessors, (11376), 10230 states have call successors, (11376) [2024-10-14 03:04:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58461 states to 58461 states and 101108 transitions. [2024-10-14 03:04:33,214 INFO L78 Accepts]: Start accepts. Automaton has 58461 states and 101108 transitions. Word has length 119 [2024-10-14 03:04:33,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:33,216 INFO L471 AbstractCegarLoop]: Abstraction has 58461 states and 101108 transitions. [2024-10-14 03:04:33,216 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 58461 states and 101108 transitions. [2024-10-14 03:04:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-14 03:04:33,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:33,248 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] [2024-10-14 03:04:33,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 03:04:33,249 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:33,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:33,249 INFO L85 PathProgramCache]: Analyzing trace with hash 705392014, now seen corresponding path program 1 times [2024-10-14 03:04:33,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:33,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826248237] [2024-10-14 03:04:33,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:33,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:04:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:04:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:04:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 03:04:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:04:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 03:04:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:33,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:33,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826248237] [2024-10-14 03:04:33,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826248237] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:33,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:33,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:04:33,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997566771] [2024-10-14 03:04:33,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:33,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:04:33,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:33,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:04:33,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:04:33,347 INFO L87 Difference]: Start difference. First operand 58461 states and 101108 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:36,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:36,552 INFO L93 Difference]: Finished difference Result 109377 states and 192946 transitions. [2024-10-14 03:04:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:04:36,553 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-10-14 03:04:36,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:37,075 INFO L225 Difference]: With dead ends: 109377 [2024-10-14 03:04:37,076 INFO L226 Difference]: Without dead ends: 109240 [2024-10-14 03:04:37,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:04:37,121 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1136 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1171 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 1171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:37,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 858 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 1171 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 03:04:37,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109240 states. [2024-10-14 03:04:40,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109240 to 109163. [2024-10-14 03:04:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109163 states, 90538 states have (on average 1.6440831474077182) internal successors, (148852), 90546 states have internal predecessors, (148852), 18599 states have call successors, (18599), 21 states have call predecessors, (18599), 25 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2024-10-14 03:04:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109163 states to 109163 states and 188241 transitions. [2024-10-14 03:04:41,776 INFO L78 Accepts]: Start accepts. Automaton has 109163 states and 188241 transitions. Word has length 120 [2024-10-14 03:04:41,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:04:41,776 INFO L471 AbstractCegarLoop]: Abstraction has 109163 states and 188241 transitions. [2024-10-14 03:04:41,776 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 03:04:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 109163 states and 188241 transitions. [2024-10-14 03:04:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-14 03:04:41,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:04:41,816 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] [2024-10-14 03:04:41,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 03:04:41,817 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:04:41,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:04:41,817 INFO L85 PathProgramCache]: Analyzing trace with hash 376802619, now seen corresponding path program 1 times [2024-10-14 03:04:41,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:04:41,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439436005] [2024-10-14 03:04:41,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:04:41,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:04:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:04:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:04:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:04:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:04:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:04:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:04:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:04:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:04:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:04:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:04:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 03:04:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 03:04:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:04:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:04:42,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:04:42,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439436005] [2024-10-14 03:04:42,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439436005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:04:42,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:04:42,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-14 03:04:42,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021941601] [2024-10-14 03:04:42,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:04:42,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 03:04:42,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:04:42,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 03:04:42,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-10-14 03:04:42,173 INFO L87 Difference]: Start difference. First operand 109163 states and 188241 transitions. Second operand has 16 states, 15 states have (on average 5.4) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-14 03:04:51,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:04:51,354 INFO L93 Difference]: Finished difference Result 217649 states and 387334 transitions. [2024-10-14 03:04:51,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-14 03:04:51,355 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 121 [2024-10-14 03:04:51,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:04:52,503 INFO L225 Difference]: With dead ends: 217649 [2024-10-14 03:04:52,503 INFO L226 Difference]: Without dead ends: 217517 [2024-10-14 03:04:52,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=715, Invalid=2825, Unknown=0, NotChecked=0, Total=3540 [2024-10-14 03:04:52,605 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 3837 mSDsluCounter, 2445 mSDsCounter, 0 mSdLazyCounter, 5888 mSolverCounterSat, 1393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3837 SdHoareTripleChecker+Valid, 2683 SdHoareTripleChecker+Invalid, 7281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1393 IncrementalHoareTripleChecker+Valid, 5888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:04:52,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3837 Valid, 2683 Invalid, 7281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1393 Valid, 5888 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-14 03:04:52,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217517 states. [2024-10-14 03:05:00,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217517 to 217294. [2024-10-14 03:05:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217294 states, 180285 states have (on average 1.6448123803977037) internal successors, (296535), 180191 states have internal predecessors, (296535), 36946 states have call successors, (36946), 54 states have call predecessors, (36946), 62 states have return successors, (44608), 37054 states have call predecessors, (44608), 36943 states have call successors, (44608)