./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB --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 7cf7ce6a809409f6f4ca5aec26ee44d6ee6c1bd8459af1b8b074817ec65bb1ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:39:02,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:39:02,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:39:02,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:39:02,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:39:02,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:39:02,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:39:02,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:39:02,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:39:02,413 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:39:02,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:39:02,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:39:02,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:39:02,413 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:39:02,413 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:39:02,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:39:02,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:39:02,414 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:39:02,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:39:02,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:39:02,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:39:02,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:39:02,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:39:02,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:39:02,417 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:39:02,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:39:02,417 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:39:02,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:39:02,417 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:39:02,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:39:02,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:39:02,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:39:02,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:39:02,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:39:02,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:39:02,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:39:02,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:39:02,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:39:02,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:39:02,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:39:02,419 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:39:02,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:39:02,419 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:39:02,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:39:02,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:39:02,420 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:39:02,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:39:02,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:39:02,420 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 7cf7ce6a809409f6f4ca5aec26ee44d6ee6c1bd8459af1b8b074817ec65bb1ea [2024-11-28 03:39:02,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:39:02,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:39:02,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:39:02,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:39:02,791 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:39:02,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2024-11-28 03:39:05,915 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/data/bc31a5333/3acaa4a1aaaa475cbaa0ad12528339ca/FLAGf0f68500a [2024-11-28 03:39:06,416 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:39:06,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2024-11-28 03:39:06,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/data/bc31a5333/3acaa4a1aaaa475cbaa0ad12528339ca/FLAGf0f68500a [2024-11-28 03:39:06,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/data/bc31a5333/3acaa4a1aaaa475cbaa0ad12528339ca [2024-11-28 03:39:06,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:39:06,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:39:06,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:39:06,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:39:06,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:39:06,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:06" (1/1) ... [2024-11-28 03:39:06,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ceaa6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:06, skipping insertion in model container [2024-11-28 03:39:06,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:06" (1/1) ... [2024-11-28 03:39:06,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:39:07,205 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2024-11-28 03:39:07,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:39:07,306 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:39:07,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-11-28 03:39:07,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [66] [2024-11-28 03:39:07,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [129] [2024-11-28 03:39:07,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [239] [2024-11-28 03:39:07,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [562] [2024-11-28 03:39:07,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1634] [2024-11-28 03:39:07,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1672] [2024-11-28 03:39:07,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1901] [2024-11-28 03:39:07,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2189] [2024-11-28 03:39:07,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2592] [2024-11-28 03:39:07,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2601] [2024-11-28 03:39:07,499 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2024-11-28 03:39:07,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:39:07,590 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:39:07,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07 WrapperNode [2024-11-28 03:39:07,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:39:07,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:39:07,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:39:07,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:39:07,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,727 INFO L138 Inliner]: procedures = 129, calls = 202, calls flagged for inlining = 56, calls inlined = 53, statements flattened = 1050 [2024-11-28 03:39:07,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:39:07,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:39:07,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:39:07,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:39:07,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,754 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,805 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-28 03:39:07,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,832 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:39:07,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:39:07,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:39:07,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:39:07,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (1/1) ... [2024-11-28 03:39:07,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:39:07,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:39:07,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:39:07,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:39:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-28 03:39:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-28 03:39:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-28 03:39:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-28 03:39:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-28 03:39:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-28 03:39:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-28 03:39:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-28 03:39:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-28 03:39:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-28 03:39:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-28 03:39:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-28 03:39:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-28 03:39:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-28 03:39:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-28 03:39:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-28 03:39:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-28 03:39:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-28 03:39:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-28 03:39:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-28 03:39:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-28 03:39:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-28 03:39:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:39:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-28 03:39:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-28 03:39:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-28 03:39:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-28 03:39:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-28 03:39:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-28 03:39:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-28 03:39:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-28 03:39:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-28 03:39:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-28 03:39:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-28 03:39:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-28 03:39:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-28 03:39:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-28 03:39:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-28 03:39:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-28 03:39:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-28 03:39:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-28 03:39:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-28 03:39:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-28 03:39:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:39:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:39:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:39:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:39:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-28 03:39:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-28 03:39:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-28 03:39:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-28 03:39:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:39:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:39:08,274 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:39:08,278 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:39:09,599 INFO L? ?]: Removed 519 outVars from TransFormulas that were not future-live. [2024-11-28 03:39:09,599 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:39:09,637 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:39:09,638 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:39:09,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:09 BoogieIcfgContainer [2024-11-28 03:39:09,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:39:09,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:39:09,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:39:09,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:39:09,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:39:06" (1/3) ... [2024-11-28 03:39:09,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2177bdca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:39:09, skipping insertion in model container [2024-11-28 03:39:09,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:07" (2/3) ... [2024-11-28 03:39:09,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2177bdca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:39:09, skipping insertion in model container [2024-11-28 03:39:09,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:09" (3/3) ... [2024-11-28 03:39:09,658 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2024-11-28 03:39:09,676 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:39:09,681 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec6_product21.cil.c that has 24 procedures, 388 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:39:09,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:39:09,808 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;@74cb323f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:39:09,808 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:39:09,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 388 states, 302 states have (on average 1.5596026490066226) internal successors, (471), 307 states have internal predecessors, (471), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-28 03:39:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 03:39:09,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:09,843 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:09,843 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:09,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:09,850 INFO L85 PathProgramCache]: Analyzing trace with hash 883811728, now seen corresponding path program 1 times [2024-11-28 03:39:09,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:09,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001083137] [2024-11-28 03:39:09,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:09,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-28 03:39:11,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:11,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001083137] [2024-11-28 03:39:11,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001083137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:39:11,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250086426] [2024-11-28 03:39:11,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:11,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:39:11,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:39:11,029 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:39:11,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:39:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:11,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:39:11,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:39:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 03:39:11,667 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:39:11,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250086426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:11,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:39:11,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 03:39:11,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848981437] [2024-11-28 03:39:11,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:11,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:11,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:11,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:11,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:39:11,701 INFO L87 Difference]: Start difference. First operand has 388 states, 302 states have (on average 1.5596026490066226) internal successors, (471), 307 states have internal predecessors, (471), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:11,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:11,846 INFO L93 Difference]: Finished difference Result 586 states and 882 transitions. [2024-11-28 03:39:11,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:11,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 142 [2024-11-28 03:39:11,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:11,874 INFO L225 Difference]: With dead ends: 586 [2024-11-28 03:39:11,874 INFO L226 Difference]: Without dead ends: 383 [2024-11-28 03:39:11,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:39:11,884 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 1 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:11,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1171 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:11,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-28 03:39:11,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 382. [2024-11-28 03:39:11,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 297 states have (on average 1.5521885521885521) internal successors, (461), 301 states have internal predecessors, (461), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 03:39:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 582 transitions. [2024-11-28 03:39:11,997 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 582 transitions. Word has length 142 [2024-11-28 03:39:11,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:11,999 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 582 transitions. [2024-11-28 03:39:12,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 582 transitions. [2024-11-28 03:39:12,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-28 03:39:12,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:12,014 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:12,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:39:12,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:39:12,215 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:12,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:12,216 INFO L85 PathProgramCache]: Analyzing trace with hash -271080237, now seen corresponding path program 1 times [2024-11-28 03:39:12,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:12,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814232763] [2024-11-28 03:39:12,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:12,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:12,708 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 03:39:12,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:12,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814232763] [2024-11-28 03:39:12,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814232763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:39:12,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852227536] [2024-11-28 03:39:12,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:12,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:39:12,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:39:12,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:39:12,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:39:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:13,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:39:13,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:39:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-28 03:39:13,216 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:39:13,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852227536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:13,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:39:13,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 03:39:13,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577662448] [2024-11-28 03:39:13,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:13,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:13,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:13,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:13,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:39:13,221 INFO L87 Difference]: Start difference. First operand 382 states and 582 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:39:13,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:13,297 INFO L93 Difference]: Finished difference Result 812 states and 1256 transitions. [2024-11-28 03:39:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:13,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 128 [2024-11-28 03:39:13,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:13,306 INFO L225 Difference]: With dead ends: 812 [2024-11-28 03:39:13,307 INFO L226 Difference]: Without dead ends: 456 [2024-11-28 03:39:13,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:39:13,311 INFO L435 NwaCegarLoop]: 595 mSDtfsCounter, 134 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:13,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1128 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:13,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-28 03:39:13,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 448. [2024-11-28 03:39:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 349 states have (on average 1.5730659025787965) internal successors, (549), 353 states have internal predecessors, (549), 75 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 03:39:13,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 698 transitions. [2024-11-28 03:39:13,377 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 698 transitions. Word has length 128 [2024-11-28 03:39:13,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:13,377 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 698 transitions. [2024-11-28 03:39:13,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:39:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 698 transitions. [2024-11-28 03:39:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 03:39:13,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:13,386 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:13,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:39:13,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:39:13,586 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:13,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:13,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1372178963, now seen corresponding path program 1 times [2024-11-28 03:39:13,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:13,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817822890] [2024-11-28 03:39:13,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:13,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:13,917 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 03:39:13,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:13,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817822890] [2024-11-28 03:39:13,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817822890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:39:13,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716487401] [2024-11-28 03:39:13,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:13,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:39:13,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:39:13,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:39:13,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:39:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:14,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:39:14,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:39:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-28 03:39:14,404 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:39:14,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716487401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:14,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:39:14,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-28 03:39:14,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27089893] [2024-11-28 03:39:14,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:14,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:39:14,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:14,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:39:14,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:39:14,413 INFO L87 Difference]: Start difference. First operand 448 states and 698 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:39:14,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:14,535 INFO L93 Difference]: Finished difference Result 887 states and 1386 transitions. [2024-11-28 03:39:14,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:39:14,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 129 [2024-11-28 03:39:14,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:14,542 INFO L225 Difference]: With dead ends: 887 [2024-11-28 03:39:14,543 INFO L226 Difference]: Without dead ends: 450 [2024-11-28 03:39:14,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:39:14,546 INFO L435 NwaCegarLoop]: 573 mSDtfsCounter, 2 mSDsluCounter, 1708 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2281 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:14,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2281 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:14,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-28 03:39:14,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-28 03:39:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 350 states have (on average 1.5714285714285714) internal successors, (550), 355 states have internal predecessors, (550), 75 states have call successors, (75), 23 states have call predecessors, (75), 24 states have return successors, (76), 73 states have call predecessors, (76), 74 states have call successors, (76) [2024-11-28 03:39:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 701 transitions. [2024-11-28 03:39:14,585 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 701 transitions. Word has length 129 [2024-11-28 03:39:14,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:14,587 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 701 transitions. [2024-11-28 03:39:14,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:39:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 701 transitions. [2024-11-28 03:39:14,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 03:39:14,595 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:14,595 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:14,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:39:14,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:39:14,798 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:14,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:14,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1362610239, now seen corresponding path program 1 times [2024-11-28 03:39:14,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:14,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474055081] [2024-11-28 03:39:14,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:14,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 03:39:15,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:15,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474055081] [2024-11-28 03:39:15,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474055081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:39:15,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98369992] [2024-11-28 03:39:15,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:15,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:39:15,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:39:15,137 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:39:15,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:39:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:15,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:39:15,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:39:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-28 03:39:15,659 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:39:15,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98369992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:15,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:39:15,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-28 03:39:15,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588529695] [2024-11-28 03:39:15,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:15,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:39:15,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:15,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:39:15,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:39:15,666 INFO L87 Difference]: Start difference. First operand 450 states and 701 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 03:39:15,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:15,784 INFO L93 Difference]: Finished difference Result 889 states and 1391 transitions. [2024-11-28 03:39:15,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:39:15,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 149 [2024-11-28 03:39:15,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:15,790 INFO L225 Difference]: With dead ends: 889 [2024-11-28 03:39:15,790 INFO L226 Difference]: Without dead ends: 452 [2024-11-28 03:39:15,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:39:15,796 INFO L435 NwaCegarLoop]: 571 mSDtfsCounter, 2 mSDsluCounter, 1696 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2267 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:15,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2267 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:39:15,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-28 03:39:15,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-28 03:39:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 351 states have (on average 1.5698005698005697) internal successors, (551), 357 states have internal predecessors, (551), 75 states have call successors, (75), 23 states have call predecessors, (75), 25 states have return successors, (81), 73 states have call predecessors, (81), 74 states have call successors, (81) [2024-11-28 03:39:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 707 transitions. [2024-11-28 03:39:15,834 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 707 transitions. Word has length 149 [2024-11-28 03:39:15,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:15,835 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 707 transitions. [2024-11-28 03:39:15,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 03:39:15,835 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 707 transitions. [2024-11-28 03:39:15,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 03:39:15,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:15,840 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:15,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:39:16,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:39:16,041 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:16,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:16,041 INFO L85 PathProgramCache]: Analyzing trace with hash -384269208, now seen corresponding path program 1 times [2024-11-28 03:39:16,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:16,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926485570] [2024-11-28 03:39:16,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:16,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:39:16,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:16,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926485570] [2024-11-28 03:39:16,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926485570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:16,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:16,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:39:16,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859726371] [2024-11-28 03:39:16,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:16,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:39:16,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:16,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:39:16,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:39:16,357 INFO L87 Difference]: Start difference. First operand 452 states and 707 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 03:39:16,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:16,430 INFO L93 Difference]: Finished difference Result 881 states and 1382 transitions. [2024-11-28 03:39:16,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:39:16,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 150 [2024-11-28 03:39:16,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:16,434 INFO L225 Difference]: With dead ends: 881 [2024-11-28 03:39:16,435 INFO L226 Difference]: Without dead ends: 452 [2024-11-28 03:39:16,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:39:16,438 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 2 mSDsluCounter, 1711 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2285 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:16,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2285 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:16,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-28 03:39:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-28 03:39:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 351 states have (on average 1.5698005698005697) internal successors, (551), 357 states have internal predecessors, (551), 75 states have call successors, (75), 23 states have call predecessors, (75), 25 states have return successors, (80), 73 states have call predecessors, (80), 74 states have call successors, (80) [2024-11-28 03:39:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 706 transitions. [2024-11-28 03:39:16,485 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 706 transitions. Word has length 150 [2024-11-28 03:39:16,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:16,485 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 706 transitions. [2024-11-28 03:39:16,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 03:39:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 706 transitions. [2024-11-28 03:39:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 03:39:16,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:16,490 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:16,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:39:16,490 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:16,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:16,492 INFO L85 PathProgramCache]: Analyzing trace with hash 452174892, now seen corresponding path program 2 times [2024-11-28 03:39:16,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:16,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349826936] [2024-11-28 03:39:16,493 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:39:16,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:16,551 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:39:16,552 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:39:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 03:39:16,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:16,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349826936] [2024-11-28 03:39:16,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349826936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:16,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:16,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:39:16,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483803865] [2024-11-28 03:39:16,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:16,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:39:16,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:16,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:39:16,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:39:16,738 INFO L87 Difference]: Start difference. First operand 452 states and 706 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 03:39:16,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:16,831 INFO L93 Difference]: Finished difference Result 879 states and 1377 transitions. [2024-11-28 03:39:16,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:39:16,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 151 [2024-11-28 03:39:16,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:16,839 INFO L225 Difference]: With dead ends: 879 [2024-11-28 03:39:16,839 INFO L226 Difference]: Without dead ends: 452 [2024-11-28 03:39:16,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:39:16,842 INFO L435 NwaCegarLoop]: 572 mSDtfsCounter, 2 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2271 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:16,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2271 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:39:16,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-28 03:39:16,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-28 03:39:16,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 351 states have (on average 1.5698005698005697) internal successors, (551), 357 states have internal predecessors, (551), 75 states have call successors, (75), 23 states have call predecessors, (75), 25 states have return successors, (79), 73 states have call predecessors, (79), 74 states have call successors, (79) [2024-11-28 03:39:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 705 transitions. [2024-11-28 03:39:16,870 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 705 transitions. Word has length 151 [2024-11-28 03:39:16,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:16,870 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 705 transitions. [2024-11-28 03:39:16,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 03:39:16,870 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 705 transitions. [2024-11-28 03:39:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 03:39:16,874 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:16,874 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:16,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:39:16,874 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:16,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:16,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1128311657, now seen corresponding path program 1 times [2024-11-28 03:39:16,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:16,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373372100] [2024-11-28 03:39:16,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:16,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:17,106 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:39:17,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:17,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373372100] [2024-11-28 03:39:17,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373372100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:17,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:17,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:39:17,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684373681] [2024-11-28 03:39:17,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:17,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:39:17,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:17,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:39:17,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:39:17,109 INFO L87 Difference]: Start difference. First operand 452 states and 705 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:39:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:17,184 INFO L93 Difference]: Finished difference Result 883 states and 1383 transitions. [2024-11-28 03:39:17,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:39:17,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 133 [2024-11-28 03:39:17,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:17,194 INFO L225 Difference]: With dead ends: 883 [2024-11-28 03:39:17,194 INFO L226 Difference]: Without dead ends: 454 [2024-11-28 03:39:17,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:39:17,197 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 1 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2288 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:17,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2288 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:17,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-28 03:39:17,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2024-11-28 03:39:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 352 states have (on average 1.5681818181818181) internal successors, (552), 359 states have internal predecessors, (552), 75 states have call successors, (75), 23 states have call predecessors, (75), 26 states have return successors, (81), 73 states have call predecessors, (81), 74 states have call successors, (81) [2024-11-28 03:39:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 708 transitions. [2024-11-28 03:39:17,241 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 708 transitions. Word has length 133 [2024-11-28 03:39:17,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:17,241 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 708 transitions. [2024-11-28 03:39:17,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:39:17,242 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 708 transitions. [2024-11-28 03:39:17,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:39:17,245 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:17,245 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:17,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:39:17,246 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:17,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash 636041516, now seen corresponding path program 1 times [2024-11-28 03:39:17,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:17,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863625288] [2024-11-28 03:39:17,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:17,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:17,498 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:39:17,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:17,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863625288] [2024-11-28 03:39:17,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863625288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:17,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:17,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:39:17,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608495266] [2024-11-28 03:39:17,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:17,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:39:17,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:17,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:39:17,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:39:17,500 INFO L87 Difference]: Start difference. First operand 454 states and 708 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:39:17,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:17,574 INFO L93 Difference]: Finished difference Result 885 states and 1386 transitions. [2024-11-28 03:39:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:39:17,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 134 [2024-11-28 03:39:17,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:17,579 INFO L225 Difference]: With dead ends: 885 [2024-11-28 03:39:17,579 INFO L226 Difference]: Without dead ends: 456 [2024-11-28 03:39:17,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:39:17,582 INFO L435 NwaCegarLoop]: 573 mSDtfsCounter, 0 mSDsluCounter, 1708 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2281 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:17,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2281 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:17,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-28 03:39:17,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 454. [2024-11-28 03:39:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 352 states have (on average 1.5681818181818181) internal successors, (552), 359 states have internal predecessors, (552), 75 states have call successors, (75), 23 states have call predecessors, (75), 26 states have return successors, (81), 73 states have call predecessors, (81), 74 states have call successors, (81) [2024-11-28 03:39:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 708 transitions. [2024-11-28 03:39:17,616 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 708 transitions. Word has length 134 [2024-11-28 03:39:17,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:17,617 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 708 transitions. [2024-11-28 03:39:17,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-28 03:39:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 708 transitions. [2024-11-28 03:39:17,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:39:17,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:17,621 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:17,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:39:17,622 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:17,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:17,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1752522514, now seen corresponding path program 1 times [2024-11-28 03:39:17,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:17,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097193405] [2024-11-28 03:39:17,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:17,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 03:39:17,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:17,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097193405] [2024-11-28 03:39:17,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097193405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:17,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:17,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:39:17,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599841173] [2024-11-28 03:39:17,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:17,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:39:17,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:17,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:39:17,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:39:17,854 INFO L87 Difference]: Start difference. First operand 454 states and 708 transitions. Second operand has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 03:39:18,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:18,073 INFO L93 Difference]: Finished difference Result 890 states and 1395 transitions. [2024-11-28 03:39:18,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:39:18,074 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 134 [2024-11-28 03:39:18,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:18,079 INFO L225 Difference]: With dead ends: 890 [2024-11-28 03:39:18,079 INFO L226 Difference]: Without dead ends: 461 [2024-11-28 03:39:18,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:39:18,082 INFO L435 NwaCegarLoop]: 567 mSDtfsCounter, 5 mSDsluCounter, 3373 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3940 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:18,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3940 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:39:18,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-28 03:39:18,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 459. [2024-11-28 03:39:18,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 356 states have (on average 1.5646067415730338) internal successors, (557), 363 states have internal predecessors, (557), 75 states have call successors, (75), 24 states have call predecessors, (75), 27 states have return successors, (86), 73 states have call predecessors, (86), 74 states have call successors, (86) [2024-11-28 03:39:18,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 718 transitions. [2024-11-28 03:39:18,112 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 718 transitions. Word has length 134 [2024-11-28 03:39:18,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:18,112 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 718 transitions. [2024-11-28 03:39:18,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 03:39:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 718 transitions. [2024-11-28 03:39:18,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-28 03:39:18,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:18,116 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:18,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:39:18,117 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:18,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:18,117 INFO L85 PathProgramCache]: Analyzing trace with hash 171424830, now seen corresponding path program 1 times [2024-11-28 03:39:18,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:18,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734307360] [2024-11-28 03:39:18,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:18,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-28 03:39:18,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:18,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734307360] [2024-11-28 03:39:18,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734307360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:39:18,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992139719] [2024-11-28 03:39:18,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:18,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:39:18,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:39:18,367 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:39:18,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:39:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:18,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:39:18,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:39:18,892 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-28 03:39:18,893 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:39:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-28 03:39:19,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992139719] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:39:19,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:39:19,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 03:39:19,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120632409] [2024-11-28 03:39:19,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:39:19,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:39:19,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:19,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:39:19,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:39:19,073 INFO L87 Difference]: Start difference. First operand 459 states and 718 transitions. Second operand has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:39:19,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:19,362 INFO L93 Difference]: Finished difference Result 1085 states and 1756 transitions. [2024-11-28 03:39:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:39:19,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 154 [2024-11-28 03:39:19,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:19,371 INFO L225 Difference]: With dead ends: 1085 [2024-11-28 03:39:19,371 INFO L226 Difference]: Without dead ends: 895 [2024-11-28 03:39:19,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:39:19,374 INFO L435 NwaCegarLoop]: 640 mSDtfsCounter, 712 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 1632 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:19,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 1632 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:39:19,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2024-11-28 03:39:19,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 871. [2024-11-28 03:39:19,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 689 states have (on average 1.6313497822931786) internal successors, (1124), 696 states have internal predecessors, (1124), 154 states have call successors, (154), 24 states have call predecessors, (154), 27 states have return successors, (175), 152 states have call predecessors, (175), 153 states have call successors, (175) [2024-11-28 03:39:19,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1453 transitions. [2024-11-28 03:39:19,444 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1453 transitions. Word has length 154 [2024-11-28 03:39:19,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:19,445 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1453 transitions. [2024-11-28 03:39:19,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 03:39:19,445 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1453 transitions. [2024-11-28 03:39:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 03:39:19,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:19,453 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:19,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:39:19,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:39:19,657 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:19,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:19,658 INFO L85 PathProgramCache]: Analyzing trace with hash 752519045, now seen corresponding path program 1 times [2024-11-28 03:39:19,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:19,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745755743] [2024-11-28 03:39:19,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:19,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-28 03:39:19,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:19,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745755743] [2024-11-28 03:39:19,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745755743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:19,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:19,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:39:19,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095288905] [2024-11-28 03:39:19,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:19,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:19,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:19,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:19,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:19,773 INFO L87 Difference]: Start difference. First operand 871 states and 1453 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:19,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:19,842 INFO L93 Difference]: Finished difference Result 2089 states and 3534 transitions. [2024-11-28 03:39:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:19,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 161 [2024-11-28 03:39:19,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:19,854 INFO L225 Difference]: With dead ends: 2089 [2024-11-28 03:39:19,854 INFO L226 Difference]: Without dead ends: 1287 [2024-11-28 03:39:19,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:19,859 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 132 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:19,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1169 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:19,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-11-28 03:39:19,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1279. [2024-11-28 03:39:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1018 states have (on average 1.6473477406679764) internal successors, (1677), 1025 states have internal predecessors, (1677), 233 states have call successors, (233), 24 states have call predecessors, (233), 27 states have return successors, (264), 231 states have call predecessors, (264), 232 states have call successors, (264) [2024-11-28 03:39:19,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 2174 transitions. [2024-11-28 03:39:19,945 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 2174 transitions. Word has length 161 [2024-11-28 03:39:19,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:19,948 INFO L471 AbstractCegarLoop]: Abstraction has 1279 states and 2174 transitions. [2024-11-28 03:39:19,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:19,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2174 transitions. [2024-11-28 03:39:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-28 03:39:19,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:19,958 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:19,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:39:19,959 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:19,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:19,959 INFO L85 PathProgramCache]: Analyzing trace with hash -506155674, now seen corresponding path program 1 times [2024-11-28 03:39:19,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:19,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78970353] [2024-11-28 03:39:19,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:19,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-28 03:39:20,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:20,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78970353] [2024-11-28 03:39:20,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78970353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:20,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:20,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:39:20,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237107564] [2024-11-28 03:39:20,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:20,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:20,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:20,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:20,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:20,068 INFO L87 Difference]: Start difference. First operand 1279 states and 2174 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:20,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:20,177 INFO L93 Difference]: Finished difference Result 3086 states and 5279 transitions. [2024-11-28 03:39:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:20,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 162 [2024-11-28 03:39:20,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:20,195 INFO L225 Difference]: With dead ends: 3086 [2024-11-28 03:39:20,195 INFO L226 Difference]: Without dead ends: 1927 [2024-11-28 03:39:20,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:20,202 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 130 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:20,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1156 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:20,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2024-11-28 03:39:20,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1919. [2024-11-28 03:39:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1919 states, 1539 states have (on average 1.6582196231319037) internal successors, (2552), 1546 states have internal predecessors, (2552), 352 states have call successors, (352), 24 states have call predecessors, (352), 27 states have return successors, (383), 350 states have call predecessors, (383), 351 states have call successors, (383) [2024-11-28 03:39:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 3287 transitions. [2024-11-28 03:39:20,383 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 3287 transitions. Word has length 162 [2024-11-28 03:39:20,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:20,384 INFO L471 AbstractCegarLoop]: Abstraction has 1919 states and 3287 transitions. [2024-11-28 03:39:20,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 3287 transitions. [2024-11-28 03:39:20,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-28 03:39:20,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:20,399 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:20,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:39:20,399 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:20,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:20,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1385893367, now seen corresponding path program 1 times [2024-11-28 03:39:20,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:20,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723124335] [2024-11-28 03:39:20,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:20,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:20,494 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-28 03:39:20,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:20,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723124335] [2024-11-28 03:39:20,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723124335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:20,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:20,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:39:20,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856614605] [2024-11-28 03:39:20,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:20,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:20,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:20,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:20,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:20,497 INFO L87 Difference]: Start difference. First operand 1919 states and 3287 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:39:20,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:20,643 INFO L93 Difference]: Finished difference Result 4588 states and 7919 transitions. [2024-11-28 03:39:20,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:20,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 144 [2024-11-28 03:39:20,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:20,667 INFO L225 Difference]: With dead ends: 4588 [2024-11-28 03:39:20,667 INFO L226 Difference]: Without dead ends: 2910 [2024-11-28 03:39:20,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:20,676 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 128 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:20,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1151 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:20,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2910 states. [2024-11-28 03:39:20,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2910 to 2902. [2024-11-28 03:39:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2902 states, 2360 states have (on average 1.666949152542373) internal successors, (3934), 2367 states have internal predecessors, (3934), 514 states have call successors, (514), 24 states have call predecessors, (514), 27 states have return successors, (561), 512 states have call predecessors, (561), 513 states have call successors, (561) [2024-11-28 03:39:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 5009 transitions. [2024-11-28 03:39:20,869 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 5009 transitions. Word has length 144 [2024-11-28 03:39:20,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:20,869 INFO L471 AbstractCegarLoop]: Abstraction has 2902 states and 5009 transitions. [2024-11-28 03:39:20,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:39:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 5009 transitions. [2024-11-28 03:39:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 03:39:20,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:20,892 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:20,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:39:20,893 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:20,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:20,893 INFO L85 PathProgramCache]: Analyzing trace with hash -382156217, now seen corresponding path program 1 times [2024-11-28 03:39:20,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:20,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123120817] [2024-11-28 03:39:20,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:20,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-28 03:39:20,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:20,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123120817] [2024-11-28 03:39:20,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123120817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:20,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:20,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:39:20,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031437832] [2024-11-28 03:39:20,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:20,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:20,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:20,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:20,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:20,986 INFO L87 Difference]: Start difference. First operand 2902 states and 5009 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:39:21,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:21,220 INFO L93 Difference]: Finished difference Result 6966 states and 12105 transitions. [2024-11-28 03:39:21,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:21,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 145 [2024-11-28 03:39:21,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:21,252 INFO L225 Difference]: With dead ends: 6966 [2024-11-28 03:39:21,252 INFO L226 Difference]: Without dead ends: 4502 [2024-11-28 03:39:21,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:21,263 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 126 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:21,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1151 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:21,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2024-11-28 03:39:21,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4494. [2024-11-28 03:39:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4494 states, 3707 states have (on average 1.673050984623685) internal successors, (6202), 3714 states have internal predecessors, (6202), 759 states have call successors, (759), 24 states have call predecessors, (759), 27 states have return successors, (832), 757 states have call predecessors, (832), 758 states have call successors, (832) [2024-11-28 03:39:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 4494 states and 7793 transitions. [2024-11-28 03:39:21,566 INFO L78 Accepts]: Start accepts. Automaton has 4494 states and 7793 transitions. Word has length 145 [2024-11-28 03:39:21,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:21,567 INFO L471 AbstractCegarLoop]: Abstraction has 4494 states and 7793 transitions. [2024-11-28 03:39:21,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:39:21,567 INFO L276 IsEmpty]: Start isEmpty. Operand 4494 states and 7793 transitions. [2024-11-28 03:39:21,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 03:39:21,596 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:21,596 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:21,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:39:21,596 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:21,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:21,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1113068827, now seen corresponding path program 1 times [2024-11-28 03:39:21,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:21,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745450834] [2024-11-28 03:39:21,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:21,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:21,691 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-28 03:39:21,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:21,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745450834] [2024-11-28 03:39:21,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745450834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:21,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:21,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:39:21,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896299356] [2024-11-28 03:39:21,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:21,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:21,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:21,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:21,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:21,694 INFO L87 Difference]: Start difference. First operand 4494 states and 7793 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:39:22,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:22,028 INFO L93 Difference]: Finished difference Result 10935 states and 19088 transitions. [2024-11-28 03:39:22,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:22,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 146 [2024-11-28 03:39:22,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:22,085 INFO L225 Difference]: With dead ends: 10935 [2024-11-28 03:39:22,086 INFO L226 Difference]: Without dead ends: 7180 [2024-11-28 03:39:22,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:22,103 INFO L435 NwaCegarLoop]: 594 mSDtfsCounter, 124 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:22,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1164 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:22,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7180 states. [2024-11-28 03:39:22,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7180 to 7172. [2024-11-28 03:39:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7172 states, 5892 states have (on average 1.6720977596741344) internal successors, (9852), 5899 states have internal predecessors, (9852), 1252 states have call successors, (1252), 24 states have call predecessors, (1252), 27 states have return successors, (1369), 1250 states have call predecessors, (1369), 1251 states have call successors, (1369) [2024-11-28 03:39:22,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7172 states to 7172 states and 12473 transitions. [2024-11-28 03:39:22,673 INFO L78 Accepts]: Start accepts. Automaton has 7172 states and 12473 transitions. Word has length 146 [2024-11-28 03:39:22,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:22,673 INFO L471 AbstractCegarLoop]: Abstraction has 7172 states and 12473 transitions. [2024-11-28 03:39:22,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:39:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 7172 states and 12473 transitions. [2024-11-28 03:39:22,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 03:39:22,718 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:22,718 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:22,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:39:22,719 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:22,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:22,719 INFO L85 PathProgramCache]: Analyzing trace with hash 264261217, now seen corresponding path program 1 times [2024-11-28 03:39:22,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:22,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756294296] [2024-11-28 03:39:22,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:22,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-28 03:39:22,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:22,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756294296] [2024-11-28 03:39:22,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756294296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:22,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:22,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:39:22,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623151038] [2024-11-28 03:39:22,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:22,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:22,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:22,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:22,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:22,852 INFO L87 Difference]: Start difference. First operand 7172 states and 12473 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:23,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:23,375 INFO L93 Difference]: Finished difference Result 18137 states and 31728 transitions. [2024-11-28 03:39:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:23,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 166 [2024-11-28 03:39:23,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:23,481 INFO L225 Difference]: With dead ends: 18137 [2024-11-28 03:39:23,481 INFO L226 Difference]: Without dead ends: 12065 [2024-11-28 03:39:23,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:23,512 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 122 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:23,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1156 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:23,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12065 states. [2024-11-28 03:39:24,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12065 to 12057. [2024-11-28 03:39:24,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12057 states, 9955 states have (on average 1.672325464590658) internal successors, (16648), 9962 states have internal predecessors, (16648), 2074 states have call successors, (2074), 24 states have call predecessors, (2074), 27 states have return successors, (2269), 2072 states have call predecessors, (2269), 2073 states have call successors, (2269) [2024-11-28 03:39:24,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12057 states to 12057 states and 20991 transitions. [2024-11-28 03:39:24,373 INFO L78 Accepts]: Start accepts. Automaton has 12057 states and 20991 transitions. Word has length 166 [2024-11-28 03:39:24,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:24,374 INFO L471 AbstractCegarLoop]: Abstraction has 12057 states and 20991 transitions. [2024-11-28 03:39:24,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 12057 states and 20991 transitions. [2024-11-28 03:39:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 03:39:24,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:24,438 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:24,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:39:24,438 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:24,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:24,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1030419879, now seen corresponding path program 1 times [2024-11-28 03:39:24,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:24,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726934417] [2024-11-28 03:39:24,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:24,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-28 03:39:24,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:24,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726934417] [2024-11-28 03:39:24,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726934417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:24,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:24,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:39:24,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54177168] [2024-11-28 03:39:24,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:24,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:24,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:24,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:24,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:24,544 INFO L87 Difference]: Start difference. First operand 12057 states and 20991 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:25,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:25,199 INFO L93 Difference]: Finished difference Result 28857 states and 50174 transitions. [2024-11-28 03:39:25,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:25,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 167 [2024-11-28 03:39:25,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:25,405 INFO L225 Difference]: With dead ends: 28857 [2024-11-28 03:39:25,406 INFO L226 Difference]: Without dead ends: 18852 [2024-11-28 03:39:25,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:25,447 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 120 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:25,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1134 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:25,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18852 states. [2024-11-28 03:39:26,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18852 to 18844. [2024-11-28 03:39:26,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18844 states, 15539 states have (on average 1.6490121629448484) internal successors, (25624), 15546 states have internal predecessors, (25624), 3277 states have call successors, (3277), 24 states have call predecessors, (3277), 27 states have return successors, (3616), 3275 states have call predecessors, (3616), 3276 states have call successors, (3616) [2024-11-28 03:39:26,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18844 states to 18844 states and 32517 transitions. [2024-11-28 03:39:26,701 INFO L78 Accepts]: Start accepts. Automaton has 18844 states and 32517 transitions. Word has length 167 [2024-11-28 03:39:26,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:26,701 INFO L471 AbstractCegarLoop]: Abstraction has 18844 states and 32517 transitions. [2024-11-28 03:39:26,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 18844 states and 32517 transitions. [2024-11-28 03:39:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 03:39:26,788 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:26,788 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:26,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:39:26,788 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:26,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:26,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1334010912, now seen corresponding path program 1 times [2024-11-28 03:39:26,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:26,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049465415] [2024-11-28 03:39:26,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:26,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-28 03:39:26,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:26,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049465415] [2024-11-28 03:39:26,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049465415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:26,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:26,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:39:26,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950974299] [2024-11-28 03:39:26,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:26,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:26,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:26,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:26,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:26,928 INFO L87 Difference]: Start difference. First operand 18844 states and 32517 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:28,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:28,367 INFO L93 Difference]: Finished difference Result 49849 states and 86314 transitions. [2024-11-28 03:39:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:28,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2024-11-28 03:39:28,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:28,553 INFO L225 Difference]: With dead ends: 49849 [2024-11-28 03:39:28,553 INFO L226 Difference]: Without dead ends: 33670 [2024-11-28 03:39:28,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:28,603 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 118 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:28,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:28,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33670 states. [2024-11-28 03:39:30,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33670 to 33662. [2024-11-28 03:39:30,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33662 states, 27907 states have (on average 1.6456086286594762) internal successors, (45924), 27914 states have internal predecessors, (45924), 5727 states have call successors, (5727), 24 states have call predecessors, (5727), 27 states have return successors, (6340), 5725 states have call predecessors, (6340), 5726 states have call successors, (6340) [2024-11-28 03:39:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33662 states to 33662 states and 57991 transitions. [2024-11-28 03:39:30,602 INFO L78 Accepts]: Start accepts. Automaton has 33662 states and 57991 transitions. Word has length 168 [2024-11-28 03:39:30,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:30,603 INFO L471 AbstractCegarLoop]: Abstraction has 33662 states and 57991 transitions. [2024-11-28 03:39:30,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 33662 states and 57991 transitions. [2024-11-28 03:39:30,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 03:39:30,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:30,669 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:30,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:39:30,670 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:30,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:30,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1699600173, now seen corresponding path program 1 times [2024-11-28 03:39:30,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:30,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15996768] [2024-11-28 03:39:30,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:30,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-28 03:39:30,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:30,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15996768] [2024-11-28 03:39:30,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15996768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:30,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:30,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:39:30,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251917521] [2024-11-28 03:39:30,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:30,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:30,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:30,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:30,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:30,769 INFO L87 Difference]: Start difference. First operand 33662 states and 57991 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:39:32,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:32,907 INFO L93 Difference]: Finished difference Result 91886 states and 158741 transitions. [2024-11-28 03:39:32,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:32,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 150 [2024-11-28 03:39:32,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:33,302 INFO L225 Difference]: With dead ends: 91886 [2024-11-28 03:39:33,302 INFO L226 Difference]: Without dead ends: 61768 [2024-11-28 03:39:33,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:33,427 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 116 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:33,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1156 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:33,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61768 states. [2024-11-28 03:39:36,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61768 to 61760. [2024-11-28 03:39:36,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61760 states, 51492 states have (on average 1.6411481395168181) internal successors, (84506), 51499 states have internal predecessors, (84506), 10240 states have call successors, (10240), 24 states have call predecessors, (10240), 27 states have return successors, (11385), 10238 states have call predecessors, (11385), 10239 states have call successors, (11385) [2024-11-28 03:39:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61760 states to 61760 states and 106131 transitions. [2024-11-28 03:39:37,184 INFO L78 Accepts]: Start accepts. Automaton has 61760 states and 106131 transitions. Word has length 150 [2024-11-28 03:39:37,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:37,184 INFO L471 AbstractCegarLoop]: Abstraction has 61760 states and 106131 transitions. [2024-11-28 03:39:37,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 03:39:37,185 INFO L276 IsEmpty]: Start isEmpty. Operand 61760 states and 106131 transitions. [2024-11-28 03:39:37,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-28 03:39:37,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:37,519 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:37,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:39:37,519 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:37,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:37,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1717368480, now seen corresponding path program 1 times [2024-11-28 03:39:37,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:37,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256907067] [2024-11-28 03:39:37,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:37,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-28 03:39:37,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:37,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256907067] [2024-11-28 03:39:37,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256907067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:37,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:39:37,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:39:37,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128283255] [2024-11-28 03:39:37,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:37,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:39:37,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:37,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:39:37,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:37,630 INFO L87 Difference]: Start difference. First operand 61760 states and 106131 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:40,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:40,133 INFO L93 Difference]: Finished difference Result 115743 states and 199287 transitions. [2024-11-28 03:39:40,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:39:40,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 170 [2024-11-28 03:39:40,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:40,883 INFO L225 Difference]: With dead ends: 115743 [2024-11-28 03:39:40,884 INFO L226 Difference]: Without dead ends: 115553 [2024-11-28 03:39:40,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:39:40,928 INFO L435 NwaCegarLoop]: 589 mSDtfsCounter, 111 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:40,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1168 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:39:41,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115553 states. [2024-11-28 03:39:44,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115553 to 115545. [2024-11-28 03:39:45,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115545 states, 96909 states have (on average 1.635647875842285) internal successors, (158509), 96916 states have internal predecessors, (158509), 18608 states have call successors, (18608), 24 states have call predecessors, (18608), 27 states have return successors, (20799), 18606 states have call predecessors, (20799), 18607 states have call successors, (20799) [2024-11-28 03:39:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115545 states to 115545 states and 197916 transitions. [2024-11-28 03:39:45,770 INFO L78 Accepts]: Start accepts. Automaton has 115545 states and 197916 transitions. Word has length 170 [2024-11-28 03:39:45,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:39:45,770 INFO L471 AbstractCegarLoop]: Abstraction has 115545 states and 197916 transitions. [2024-11-28 03:39:45,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:39:45,771 INFO L276 IsEmpty]: Start isEmpty. Operand 115545 states and 197916 transitions. [2024-11-28 03:39:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 03:39:45,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:39:45,886 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:39:45,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:39:45,886 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:39:45,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:39:45,887 INFO L85 PathProgramCache]: Analyzing trace with hash -203963700, now seen corresponding path program 1 times [2024-11-28 03:39:45,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:39:45,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207723514] [2024-11-28 03:39:45,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:45,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:39:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-28 03:39:46,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:39:46,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207723514] [2024-11-28 03:39:46,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207723514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:39:46,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773308138] [2024-11-28 03:39:46,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:39:46,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:39:46,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:39:46,440 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:39:46,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3f680b-cc91-4398-b2b6-dd2a403639b1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:39:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:39:46,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 03:39:46,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:39:48,056 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 03:39:48,056 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:39:48,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773308138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:39:48,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:39:48,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 22 [2024-11-28 03:39:48,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654425084] [2024-11-28 03:39:48,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:39:48,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:39:48,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:48,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:39:48,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:39:48,060 INFO L87 Difference]: Start difference. First operand 115545 states and 197916 transitions. Second operand has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 03:39:56,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:39:56,559 INFO L93 Difference]: Finished difference Result 230246 states and 399836 transitions. [2024-11-28 03:39:56,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:39:56,560 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) Word has length 152 [2024-11-28 03:39:56,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:39:57,817 INFO L225 Difference]: With dead ends: 230246 [2024-11-28 03:39:57,817 INFO L226 Difference]: Without dead ends: 230062 [2024-11-28 03:39:57,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=160, Invalid=896, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 03:39:57,927 INFO L435 NwaCegarLoop]: 700 mSDtfsCounter, 941 mSDsluCounter, 5422 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 6122 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:39:57,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 6122 Invalid, 1458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [138 Valid, 1320 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:39:58,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230062 states.