./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC --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 9b6f1572bb543b70f7bd76f4bd7f000d1e6bbc46b09feb0ab48e04376b774bb9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:06:34,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:06:34,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:06:34,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:06:34,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:06:34,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:06:34,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:06:34,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:06:34,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:06:34,951 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:06:34,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:06:34,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:06:34,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:06:34,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:06:34,952 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:06:34,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:06:34,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:06:34,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:06:34,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:06:34,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:06:34,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:06:34,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:06:34,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:06:34,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:06:34,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:06:34,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:06:34,954 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:06:34,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:06:34,955 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:06:34,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:06:34,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:06:34,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:06:34,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:06:34,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:06:34,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:06:34,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:06:34,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:06:34,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:06:34,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:06:34,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:06:34,957 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:06:34,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:06:34,957 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:06:34,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:06:34,958 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:06:34,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:06:34,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:06:34,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:06:34,959 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_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC 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 -> 9b6f1572bb543b70f7bd76f4bd7f000d1e6bbc46b09feb0ab48e04376b774bb9 [2024-11-23 23:06:35,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:06:35,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:06:35,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:06:35,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:06:35,442 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:06:35,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2024-11-23 23:06:39,582 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/data/58f789767/d0dee2f4d6424bd291a59088e868ec61/FLAGc254e89a5 [2024-11-23 23:06:40,391 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:06:40,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2024-11-23 23:06:40,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/data/58f789767/d0dee2f4d6424bd291a59088e868ec61/FLAGc254e89a5 [2024-11-23 23:06:40,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/data/58f789767/d0dee2f4d6424bd291a59088e868ec61 [2024-11-23 23:06:40,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:06:40,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:06:40,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:06:40,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:06:40,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:06:40,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:40" (1/1) ... [2024-11-23 23:06:40,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244d9f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:40, skipping insertion in model container [2024-11-23 23:06:40,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:40" (1/1) ... [2024-11-23 23:06:40,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:06:41,248 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_f112f996-99db-4f71-b9d8-b5102581b77b/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c[28285,28298] [2024-11-23 23:06:41,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:06:41,629 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:06:41,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-11-23 23:06:41,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [66] [2024-11-23 23:06:41,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [115] [2024-11-23 23:06:41,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1195] [2024-11-23 23:06:41,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [1204] [2024-11-23 23:06:41,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1248] [2024-11-23 23:06:41,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1614] [2024-11-23 23:06:41,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1919] [2024-11-23 23:06:41,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2334] [2024-11-23 23:06:41,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2733] [2024-11-23 23:06:41,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2952] [2024-11-23 23:06:41,728 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_f112f996-99db-4f71-b9d8-b5102581b77b/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c[28285,28298] [2024-11-23 23:06:41,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:06:41,900 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:06:41,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41 WrapperNode [2024-11-23 23:06:41,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:06:41,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:06:41,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:06:41,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:06:41,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:41,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,018 INFO L138 Inliner]: procedures = 135, calls = 222, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1116 [2024-11-23 23:06:42,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:06:42,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:06:42,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:06:42,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:06:42,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,093 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]. [2024-11-23 23:06:42,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,118 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:06:42,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:06:42,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:06:42,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:06:42,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (1/1) ... [2024-11-23 23:06:42,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:06:42,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:06:42,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:06:42,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:06:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-23 23:06:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-23 23:06:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-23 23:06:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-23 23:06:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-23 23:06:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-23 23:06:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-23 23:06:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-23 23:06:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-23 23:06:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-23 23:06:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-23 23:06:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-23 23:06:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-23 23:06:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-23 23:06:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-23 23:06:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-23 23:06:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-23 23:06:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-23 23:06:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-23 23:06:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-23 23:06:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-23 23:06:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-23 23:06:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-23 23:06:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-23 23:06:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-23 23:06:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-23 23:06:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-23 23:06:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-23 23:06:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:06:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-23 23:06:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-23 23:06:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-23 23:06:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-23 23:06:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-23 23:06:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-23 23:06:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-23 23:06:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-23 23:06:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-23 23:06:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-23 23:06:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-23 23:06:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-23 23:06:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-23 23:06:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-23 23:06:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-23 23:06:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-23 23:06:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-23 23:06:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-23 23:06:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-23 23:06:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-23 23:06:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-23 23:06:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-23 23:06:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-23 23:06:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-23 23:06:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:06:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:06:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:06:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:06:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-23 23:06:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-23 23:06:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-23 23:06:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-23 23:06:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:06:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:06:42,640 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:06:42,643 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:06:44,720 INFO L? ?]: Removed 586 outVars from TransFormulas that were not future-live. [2024-11-23 23:06:44,721 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:06:44,766 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:06:44,766 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:06:44,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:44 BoogieIcfgContainer [2024-11-23 23:06:44,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:06:44,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:06:44,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:06:44,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:06:44,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:40" (1/3) ... [2024-11-23 23:06:44,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729f1dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:44, skipping insertion in model container [2024-11-23 23:06:44,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:41" (2/3) ... [2024-11-23 23:06:44,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729f1dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:44, skipping insertion in model container [2024-11-23 23:06:44,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:44" (3/3) ... [2024-11-23 23:06:44,791 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec8_product34.cil.c [2024-11-23 23:06:44,813 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:06:44,817 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec8_product34.cil.c that has 29 procedures, 447 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:06:44,944 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:06:44,961 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;@115c54c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:06:44,961 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:06:44,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 346 states have (on average 1.5375722543352601) internal successors, (532), 351 states have internal predecessors, (532), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-23 23:06:45,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 23:06:45,002 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:45,004 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:45,004 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:45,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:45,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1132019597, now seen corresponding path program 1 times [2024-11-23 23:06:45,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:45,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826219716] [2024-11-23 23:06:45,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:45,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-23 23:06:46,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:46,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826219716] [2024-11-23 23:06:46,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826219716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:06:46,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883161032] [2024-11-23 23:06:46,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:46,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:46,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:06:46,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:06:46,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:06:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:47,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:06:47,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:06:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-23 23:06:47,161 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:06:47,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883161032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:47,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:06:47,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 23:06:47,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335185628] [2024-11-23 23:06:47,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:47,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:47,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:47,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:47,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:06:47,224 INFO L87 Difference]: Start difference. First operand has 447 states, 346 states have (on average 1.5375722543352601) internal successors, (532), 351 states have internal predecessors, (532), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:47,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:47,449 INFO L93 Difference]: Finished difference Result 704 states and 1044 transitions. [2024-11-23 23:06:47,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:47,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2024-11-23 23:06:47,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:47,482 INFO L225 Difference]: With dead ends: 704 [2024-11-23 23:06:47,484 INFO L226 Difference]: Without dead ends: 442 [2024-11-23 23:06:47,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:06:47,506 INFO L435 NwaCegarLoop]: 668 mSDtfsCounter, 1 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1333 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 [2024-11-23 23:06:47,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1333 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-23 23:06:47,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 441. [2024-11-23 23:06:47,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 341 states have (on average 1.530791788856305) internal successors, (522), 345 states have internal predecessors, (522), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-23 23:06:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 663 transitions. [2024-11-23 23:06:47,663 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 663 transitions. Word has length 110 [2024-11-23 23:06:47,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:47,667 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 663 transitions. [2024-11-23 23:06:47,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:47,668 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 663 transitions. [2024-11-23 23:06:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 23:06:47,683 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:47,684 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:47,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:06:47,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:06:47,885 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:47,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:47,886 INFO L85 PathProgramCache]: Analyzing trace with hash -283111464, now seen corresponding path program 1 times [2024-11-23 23:06:47,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:47,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085701340] [2024-11-23 23:06:47,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:47,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-23 23:06:48,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:48,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085701340] [2024-11-23 23:06:48,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085701340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:06:48,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653819180] [2024-11-23 23:06:48,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:48,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:48,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:06:48,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:06:48,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:06:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:49,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:06:49,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:06:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-23 23:06:49,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:06:49,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653819180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:49,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:06:49,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 23:06:49,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237179740] [2024-11-23 23:06:49,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:49,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:49,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:49,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:49,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:06:49,145 INFO L87 Difference]: Start difference. First operand 441 states and 663 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:49,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:49,263 INFO L93 Difference]: Finished difference Result 930 states and 1418 transitions. [2024-11-23 23:06:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:49,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2024-11-23 23:06:49,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:49,273 INFO L225 Difference]: With dead ends: 930 [2024-11-23 23:06:49,276 INFO L226 Difference]: Without dead ends: 515 [2024-11-23 23:06:49,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:06:49,281 INFO L435 NwaCegarLoop]: 675 mSDtfsCounter, 134 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1291 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 [2024-11-23 23:06:49,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1291 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:49,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-23 23:06:49,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 507. [2024-11-23 23:06:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 393 states have (on average 1.5521628498727735) internal successors, (610), 397 states have internal predecessors, (610), 85 states have call successors, (85), 28 states have call predecessors, (85), 28 states have return successors, (84), 83 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-23 23:06:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 779 transitions. [2024-11-23 23:06:49,333 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 779 transitions. Word has length 115 [2024-11-23 23:06:49,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:49,334 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 779 transitions. [2024-11-23 23:06:49,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:49,334 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 779 transitions. [2024-11-23 23:06:49,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:06:49,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:49,339 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:49,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:06:49,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:49,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:49,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:49,544 INFO L85 PathProgramCache]: Analyzing trace with hash -97960958, now seen corresponding path program 1 times [2024-11-23 23:06:49,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:49,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104063330] [2024-11-23 23:06:49,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:49,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:49,961 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-23 23:06:49,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:49,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104063330] [2024-11-23 23:06:49,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104063330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:06:49,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059215544] [2024-11-23 23:06:49,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:49,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:49,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:06:49,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:06:49,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:06:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:50,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:06:50,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:06:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 23:06:50,614 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:06:50,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059215544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:50,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:06:50,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-23 23:06:50,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588348008] [2024-11-23 23:06:50,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:50,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:06:50,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:50,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:06:50,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:06:50,619 INFO L87 Difference]: Start difference. First operand 507 states and 779 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:50,784 INFO L93 Difference]: Finished difference Result 1005 states and 1548 transitions. [2024-11-23 23:06:50,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:06:50,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 116 [2024-11-23 23:06:50,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:50,795 INFO L225 Difference]: With dead ends: 1005 [2024-11-23 23:06:50,795 INFO L226 Difference]: Without dead ends: 509 [2024-11-23 23:06:50,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:06:50,801 INFO L435 NwaCegarLoop]: 654 mSDtfsCounter, 2 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2605 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:50,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2605 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:06:50,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-23 23:06:50,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 509. [2024-11-23 23:06:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 394 states have (on average 1.5507614213197969) internal successors, (611), 399 states have internal predecessors, (611), 85 states have call successors, (85), 28 states have call predecessors, (85), 29 states have return successors, (86), 83 states have call predecessors, (86), 84 states have call successors, (86) [2024-11-23 23:06:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 782 transitions. [2024-11-23 23:06:50,875 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 782 transitions. Word has length 116 [2024-11-23 23:06:50,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:50,878 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 782 transitions. [2024-11-23 23:06:50,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 782 transitions. [2024-11-23 23:06:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-23 23:06:50,888 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:50,889 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:50,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:06:51,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:51,090 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:51,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:51,091 INFO L85 PathProgramCache]: Analyzing trace with hash -406462584, now seen corresponding path program 1 times [2024-11-23 23:06:51,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:51,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326212474] [2024-11-23 23:06:51,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:51,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:51,582 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-23 23:06:51,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:51,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326212474] [2024-11-23 23:06:51,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326212474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:06:51,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089180815] [2024-11-23 23:06:51,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:51,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:51,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:06:51,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:06:51,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:06:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:52,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:06:52,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:06:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 23:06:52,210 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:06:52,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089180815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:52,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:06:52,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-23 23:06:52,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541989870] [2024-11-23 23:06:52,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:52,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:06:52,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:52,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:06:52,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:06:52,216 INFO L87 Difference]: Start difference. First operand 509 states and 782 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:52,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:52,380 INFO L93 Difference]: Finished difference Result 1007 states and 1553 transitions. [2024-11-23 23:06:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:06:52,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 117 [2024-11-23 23:06:52,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:52,390 INFO L225 Difference]: With dead ends: 1007 [2024-11-23 23:06:52,392 INFO L226 Difference]: Without dead ends: 511 [2024-11-23 23:06:52,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:06:52,396 INFO L435 NwaCegarLoop]: 652 mSDtfsCounter, 2 mSDsluCounter, 1939 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2591 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 [2024-11-23 23:06:52,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2591 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:06:52,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-23 23:06:52,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2024-11-23 23:06:52,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 395 states have (on average 1.549367088607595) internal successors, (612), 401 states have internal predecessors, (612), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2024-11-23 23:06:52,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 788 transitions. [2024-11-23 23:06:52,472 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 788 transitions. Word has length 117 [2024-11-23 23:06:52,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:52,473 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 788 transitions. [2024-11-23 23:06:52,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:52,474 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 788 transitions. [2024-11-23 23:06:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:06:52,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:52,481 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:52,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:06:52,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:52,682 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:52,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:52,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1692203087, now seen corresponding path program 1 times [2024-11-23 23:06:52,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:52,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832025263] [2024-11-23 23:06:52,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:52,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:53,003 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-23 23:06:53,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:53,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832025263] [2024-11-23 23:06:53,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832025263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:53,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:53,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:06:53,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705954577] [2024-11-23 23:06:53,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:53,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:06:53,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:53,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:06:53,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:06:53,006 INFO L87 Difference]: Start difference. First operand 511 states and 788 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:53,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:53,117 INFO L93 Difference]: Finished difference Result 999 states and 1544 transitions. [2024-11-23 23:06:53,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:06:53,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 118 [2024-11-23 23:06:53,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:53,128 INFO L225 Difference]: With dead ends: 999 [2024-11-23 23:06:53,129 INFO L226 Difference]: Without dead ends: 511 [2024-11-23 23:06:53,132 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 [2024-11-23 23:06:53,135 INFO L435 NwaCegarLoop]: 655 mSDtfsCounter, 2 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2609 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 [2024-11-23 23:06:53,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2609 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:53,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-23 23:06:53,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2024-11-23 23:06:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 395 states have (on average 1.549367088607595) internal successors, (612), 401 states have internal predecessors, (612), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (90), 83 states have call predecessors, (90), 84 states have call successors, (90) [2024-11-23 23:06:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 787 transitions. [2024-11-23 23:06:53,194 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 787 transitions. Word has length 118 [2024-11-23 23:06:53,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:53,195 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 787 transitions. [2024-11-23 23:06:53,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:53,195 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 787 transitions. [2024-11-23 23:06:53,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-23 23:06:53,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:53,200 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:53,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:06:53,200 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:53,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:53,201 INFO L85 PathProgramCache]: Analyzing trace with hash 751531383, now seen corresponding path program 2 times [2024-11-23 23:06:53,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:53,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174475586] [2024-11-23 23:06:53,202 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:06:53,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:53,275 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:06:53,276 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:06:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 23:06:53,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:53,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174475586] [2024-11-23 23:06:53,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174475586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:53,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:53,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:06:53,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676026139] [2024-11-23 23:06:53,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:53,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:06:53,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:53,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:06:53,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:06:53,491 INFO L87 Difference]: Start difference. First operand 511 states and 787 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:53,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:53,615 INFO L93 Difference]: Finished difference Result 997 states and 1539 transitions. [2024-11-23 23:06:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:06:53,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 119 [2024-11-23 23:06:53,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:53,625 INFO L225 Difference]: With dead ends: 997 [2024-11-23 23:06:53,625 INFO L226 Difference]: Without dead ends: 511 [2024-11-23 23:06:53,627 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 [2024-11-23 23:06:53,628 INFO L435 NwaCegarLoop]: 653 mSDtfsCounter, 2 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2595 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 [2024-11-23 23:06:53,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2595 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:06:53,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-23 23:06:53,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2024-11-23 23:06:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 395 states have (on average 1.549367088607595) internal successors, (612), 401 states have internal predecessors, (612), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (89), 83 states have call predecessors, (89), 84 states have call successors, (89) [2024-11-23 23:06:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 786 transitions. [2024-11-23 23:06:53,669 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 786 transitions. Word has length 119 [2024-11-23 23:06:53,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:53,670 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 786 transitions. [2024-11-23 23:06:53,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 786 transitions. [2024-11-23 23:06:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 23:06:53,674 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:53,674 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:53,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:06:53,675 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:53,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:53,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1924205600, now seen corresponding path program 3 times [2024-11-23 23:06:53,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:53,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507047848] [2024-11-23 23:06:53,677 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:06:53,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:53,759 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 23:06:53,760 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:06:53,952 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 23:06:53,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:53,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507047848] [2024-11-23 23:06:53,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507047848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:53,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:53,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:06:53,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696469664] [2024-11-23 23:06:53,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:53,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:06:53,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:53,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:06:53,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:06:53,956 INFO L87 Difference]: Start difference. First operand 511 states and 786 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:54,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:54,067 INFO L93 Difference]: Finished difference Result 999 states and 1545 transitions. [2024-11-23 23:06:54,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:06:54,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 120 [2024-11-23 23:06:54,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:54,074 INFO L225 Difference]: With dead ends: 999 [2024-11-23 23:06:54,074 INFO L226 Difference]: Without dead ends: 513 [2024-11-23 23:06:54,077 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 [2024-11-23 23:06:54,078 INFO L435 NwaCegarLoop]: 656 mSDtfsCounter, 1 mSDsluCounter, 1950 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2606 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 [2024-11-23 23:06:54,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2606 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:06:54,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-11-23 23:06:54,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2024-11-23 23:06:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 396 states have (on average 1.547979797979798) internal successors, (613), 403 states have internal predecessors, (613), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (94), 83 states have call predecessors, (94), 84 states have call successors, (94) [2024-11-23 23:06:54,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 792 transitions. [2024-11-23 23:06:54,121 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 792 transitions. Word has length 120 [2024-11-23 23:06:54,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:54,121 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 792 transitions. [2024-11-23 23:06:54,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 792 transitions. [2024-11-23 23:06:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-23 23:06:54,125 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:54,126 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:54,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:06:54,126 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:54,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:54,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1719984818, now seen corresponding path program 1 times [2024-11-23 23:06:54,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:54,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105932966] [2024-11-23 23:06:54,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:54,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 23:06:54,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:54,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105932966] [2024-11-23 23:06:54,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105932966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:54,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:54,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:06:54,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070008976] [2024-11-23 23:06:54,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:54,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:06:54,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:54,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:06:54,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:06:54,407 INFO L87 Difference]: Start difference. First operand 513 states and 792 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:54,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:54,514 INFO L93 Difference]: Finished difference Result 1005 states and 1555 transitions. [2024-11-23 23:06:54,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:06:54,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2024-11-23 23:06:54,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:54,523 INFO L225 Difference]: With dead ends: 1005 [2024-11-23 23:06:54,525 INFO L226 Difference]: Without dead ends: 515 [2024-11-23 23:06:54,527 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 [2024-11-23 23:06:54,528 INFO L435 NwaCegarLoop]: 656 mSDtfsCounter, 1 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2612 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 [2024-11-23 23:06:54,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2612 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:54,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-23 23:06:54,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2024-11-23 23:06:54,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 405 states have internal predecessors, (614), 85 states have call successors, (85), 28 states have call predecessors, (85), 32 states have return successors, (96), 83 states have call predecessors, (96), 84 states have call successors, (96) [2024-11-23 23:06:54,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 795 transitions. [2024-11-23 23:06:54,571 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 795 transitions. Word has length 121 [2024-11-23 23:06:54,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:54,572 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 795 transitions. [2024-11-23 23:06:54,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 23:06:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 795 transitions. [2024-11-23 23:06:54,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 23:06:54,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:54,578 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:54,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:06:54,578 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:54,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:54,579 INFO L85 PathProgramCache]: Analyzing trace with hash 81904037, now seen corresponding path program 1 times [2024-11-23 23:06:54,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:54,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188108546] [2024-11-23 23:06:54,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:54,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:06:54,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:54,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188108546] [2024-11-23 23:06:54,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188108546] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:06:54,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405210567] [2024-11-23 23:06:54,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:54,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:54,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:06:54,805 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:06:54,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:06:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:55,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:06:55,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:06:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:06:55,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:06:55,503 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:06:55,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405210567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:06:55,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:06:55,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-23 23:06:55,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630177330] [2024-11-23 23:06:55,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:06:55,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:06:55,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:55,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:06:55,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:06:55,507 INFO L87 Difference]: Start difference. First operand 515 states and 795 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:06:55,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:55,845 INFO L93 Difference]: Finished difference Result 1200 states and 1914 transitions. [2024-11-23 23:06:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:06:55,846 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 122 [2024-11-23 23:06:55,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:55,856 INFO L225 Difference]: With dead ends: 1200 [2024-11-23 23:06:55,856 INFO L226 Difference]: Without dead ends: 951 [2024-11-23 23:06:55,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:06:55,859 INFO L435 NwaCegarLoop]: 695 mSDtfsCounter, 485 mSDsluCounter, 2201 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 2896 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:55,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 2896 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:06:55,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2024-11-23 23:06:55,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 927. [2024-11-23 23:06:55,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 730 states have (on average 1.6178082191780823) internal successors, (1181), 738 states have internal predecessors, (1181), 164 states have call successors, (164), 28 states have call predecessors, (164), 32 states have return successors, (185), 162 states have call predecessors, (185), 163 states have call successors, (185) [2024-11-23 23:06:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1530 transitions. [2024-11-23 23:06:55,935 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1530 transitions. Word has length 122 [2024-11-23 23:06:55,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:55,935 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1530 transitions. [2024-11-23 23:06:55,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:06:55,936 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1530 transitions. [2024-11-23 23:06:55,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 23:06:55,945 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:55,946 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:55,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 23:06:56,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f112f996-99db-4f71-b9d8-b5102581b77b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:06:56,146 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:56,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:56,147 INFO L85 PathProgramCache]: Analyzing trace with hash 593655520, now seen corresponding path program 1 times [2024-11-23 23:06:56,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:56,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919930969] [2024-11-23 23:06:56,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:56,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:06:56,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:56,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919930969] [2024-11-23 23:06:56,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919930969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:56,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:56,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:06:56,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334022643] [2024-11-23 23:06:56,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:56,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:56,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:56,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:56,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:56,292 INFO L87 Difference]: Start difference. First operand 927 states and 1530 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:56,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:56,410 INFO L93 Difference]: Finished difference Result 2204 states and 3692 transitions. [2024-11-23 23:06:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:56,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2024-11-23 23:06:56,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:56,430 INFO L225 Difference]: With dead ends: 2204 [2024-11-23 23:06:56,431 INFO L226 Difference]: Without dead ends: 1343 [2024-11-23 23:06:56,436 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 [2024-11-23 23:06:56,437 INFO L435 NwaCegarLoop]: 680 mSDtfsCounter, 132 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1340 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 [2024-11-23 23:06:56,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1340 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:56,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2024-11-23 23:06:56,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1335. [2024-11-23 23:06:56,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1059 states have (on average 1.6373937677053825) internal successors, (1734), 1067 states have internal predecessors, (1734), 243 states have call successors, (243), 28 states have call predecessors, (243), 32 states have return successors, (274), 241 states have call predecessors, (274), 242 states have call successors, (274) [2024-11-23 23:06:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 2251 transitions. [2024-11-23 23:06:56,578 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 2251 transitions. Word has length 129 [2024-11-23 23:06:56,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:56,579 INFO L471 AbstractCegarLoop]: Abstraction has 1335 states and 2251 transitions. [2024-11-23 23:06:56,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:56,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 2251 transitions. [2024-11-23 23:06:56,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:06:56,597 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:56,597 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:56,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:06:56,598 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:56,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:56,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1045934899, now seen corresponding path program 1 times [2024-11-23 23:06:56,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:56,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874695944] [2024-11-23 23:06:56,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:56,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:06:56,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:56,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874695944] [2024-11-23 23:06:56,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874695944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:56,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:56,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:06:56,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689292732] [2024-11-23 23:06:56,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:56,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:56,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:56,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:56,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:56,765 INFO L87 Difference]: Start difference. First operand 1335 states and 2251 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:56,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:56,936 INFO L93 Difference]: Finished difference Result 3201 states and 5437 transitions. [2024-11-23 23:06:56,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:56,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-11-23 23:06:56,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:56,965 INFO L225 Difference]: With dead ends: 3201 [2024-11-23 23:06:56,965 INFO L226 Difference]: Without dead ends: 1983 [2024-11-23 23:06:56,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:56,975 INFO L435 NwaCegarLoop]: 670 mSDtfsCounter, 130 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1326 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 [2024-11-23 23:06:56,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1326 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:56,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2024-11-23 23:06:57,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1975. [2024-11-23 23:06:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1580 states have (on average 1.65126582278481) internal successors, (2609), 1588 states have internal predecessors, (2609), 362 states have call successors, (362), 28 states have call predecessors, (362), 32 states have return successors, (393), 360 states have call predecessors, (393), 361 states have call successors, (393) [2024-11-23 23:06:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 3364 transitions. [2024-11-23 23:06:57,210 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 3364 transitions. Word has length 130 [2024-11-23 23:06:57,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:57,211 INFO L471 AbstractCegarLoop]: Abstraction has 1975 states and 3364 transitions. [2024-11-23 23:06:57,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 3364 transitions. [2024-11-23 23:06:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:06:57,233 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:57,233 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:57,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:06:57,234 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:57,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:57,235 INFO L85 PathProgramCache]: Analyzing trace with hash 640214494, now seen corresponding path program 1 times [2024-11-23 23:06:57,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:57,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505660784] [2024-11-23 23:06:57,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:57,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:06:57,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:57,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505660784] [2024-11-23 23:06:57,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505660784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:57,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:57,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:06:57,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457223748] [2024-11-23 23:06:57,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:57,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:57,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:57,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:57,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:57,427 INFO L87 Difference]: Start difference. First operand 1975 states and 3364 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:57,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:57,671 INFO L93 Difference]: Finished difference Result 4703 states and 8077 transitions. [2024-11-23 23:06:57,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:57,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-11-23 23:06:57,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:57,710 INFO L225 Difference]: With dead ends: 4703 [2024-11-23 23:06:57,711 INFO L226 Difference]: Without dead ends: 2966 [2024-11-23 23:06:57,724 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 [2024-11-23 23:06:57,726 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 128 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1313 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 [2024-11-23 23:06:57,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1313 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:57,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2966 states. [2024-11-23 23:06:57,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2966 to 2958. [2024-11-23 23:06:58,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2958 states, 2401 states have (on average 1.6622240733027904) internal successors, (3991), 2409 states have internal predecessors, (3991), 524 states have call successors, (524), 28 states have call predecessors, (524), 32 states have return successors, (571), 522 states have call predecessors, (571), 523 states have call successors, (571) [2024-11-23 23:06:58,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 2958 states and 5086 transitions. [2024-11-23 23:06:58,045 INFO L78 Accepts]: Start accepts. Automaton has 2958 states and 5086 transitions. Word has length 131 [2024-11-23 23:06:58,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:58,046 INFO L471 AbstractCegarLoop]: Abstraction has 2958 states and 5086 transitions. [2024-11-23 23:06:58,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:58,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 5086 transitions. [2024-11-23 23:06:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-23 23:06:58,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:58,075 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:58,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:06:58,076 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:58,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:58,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1126867436, now seen corresponding path program 1 times [2024-11-23 23:06:58,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:58,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106227557] [2024-11-23 23:06:58,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:58,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:06:58,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:58,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106227557] [2024-11-23 23:06:58,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106227557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:58,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:58,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:06:58,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644518707] [2024-11-23 23:06:58,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:58,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:58,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:58,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:58,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:58,215 INFO L87 Difference]: Start difference. First operand 2958 states and 5086 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:58,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:58,504 INFO L93 Difference]: Finished difference Result 7081 states and 12263 transitions. [2024-11-23 23:06:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:58,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-11-23 23:06:58,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:58,549 INFO L225 Difference]: With dead ends: 7081 [2024-11-23 23:06:58,552 INFO L226 Difference]: Without dead ends: 4558 [2024-11-23 23:06:58,568 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 [2024-11-23 23:06:58,569 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 126 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1313 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 [2024-11-23 23:06:58,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1313 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:06:58,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2024-11-23 23:06:59,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 4550. [2024-11-23 23:06:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4550 states, 3748 states have (on average 1.669957310565635) internal successors, (6259), 3756 states have internal predecessors, (6259), 769 states have call successors, (769), 28 states have call predecessors, (769), 32 states have return successors, (842), 767 states have call predecessors, (842), 768 states have call successors, (842) [2024-11-23 23:06:59,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4550 states to 4550 states and 7870 transitions. [2024-11-23 23:06:59,171 INFO L78 Accepts]: Start accepts. Automaton has 4550 states and 7870 transitions. Word has length 132 [2024-11-23 23:06:59,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:59,174 INFO L471 AbstractCegarLoop]: Abstraction has 4550 states and 7870 transitions. [2024-11-23 23:06:59,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 4550 states and 7870 transitions. [2024-11-23 23:06:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 23:06:59,215 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:59,215 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:59,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:06:59,217 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:59,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:59,218 INFO L85 PathProgramCache]: Analyzing trace with hash -36054782, now seen corresponding path program 1 times [2024-11-23 23:06:59,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:59,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951642738] [2024-11-23 23:06:59,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:59,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:06:59,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:59,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951642738] [2024-11-23 23:06:59,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951642738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:59,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:59,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:06:59,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129445020] [2024-11-23 23:06:59,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:59,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:59,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:59,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:59,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:59,372 INFO L87 Difference]: Start difference. First operand 4550 states and 7870 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:06:59,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:59,945 INFO L93 Difference]: Finished difference Result 11050 states and 19246 transitions. [2024-11-23 23:06:59,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:59,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2024-11-23 23:06:59,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:00,027 INFO L225 Difference]: With dead ends: 11050 [2024-11-23 23:07:00,031 INFO L226 Difference]: Without dead ends: 7236 [2024-11-23 23:07:00,060 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 [2024-11-23 23:07:00,061 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 124 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1316 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 [2024-11-23 23:07:00,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1316 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:00,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7236 states. [2024-11-23 23:07:00,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7236 to 7228. [2024-11-23 23:07:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7228 states, 5933 states have (on average 1.6701500084274397) internal successors, (9909), 5941 states have internal predecessors, (9909), 1262 states have call successors, (1262), 28 states have call predecessors, (1262), 32 states have return successors, (1379), 1260 states have call predecessors, (1379), 1261 states have call successors, (1379) [2024-11-23 23:07:01,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7228 states to 7228 states and 12550 transitions. [2024-11-23 23:07:01,075 INFO L78 Accepts]: Start accepts. Automaton has 7228 states and 12550 transitions. Word has length 133 [2024-11-23 23:07:01,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:01,076 INFO L471 AbstractCegarLoop]: Abstraction has 7228 states and 12550 transitions. [2024-11-23 23:07:01,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:07:01,077 INFO L276 IsEmpty]: Start isEmpty. Operand 7228 states and 12550 transitions. [2024-11-23 23:07:01,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-23 23:07:01,137 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:01,137 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:01,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:07:01,138 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:01,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:01,139 INFO L85 PathProgramCache]: Analyzing trace with hash -172861752, now seen corresponding path program 1 times [2024-11-23 23:07:01,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:01,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129312015] [2024-11-23 23:07:01,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:01,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:07:01,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:01,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129312015] [2024-11-23 23:07:01,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129312015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:01,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:01,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:01,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21380815] [2024-11-23 23:07:01,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:01,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:01,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:01,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:01,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:01,287 INFO L87 Difference]: Start difference. First operand 7228 states and 12550 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:07:02,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:02,008 INFO L93 Difference]: Finished difference Result 18252 states and 31886 transitions. [2024-11-23 23:07:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:02,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2024-11-23 23:07:02,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:02,124 INFO L225 Difference]: With dead ends: 18252 [2024-11-23 23:07:02,124 INFO L226 Difference]: Without dead ends: 12121 [2024-11-23 23:07:02,167 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 [2024-11-23 23:07:02,168 INFO L435 NwaCegarLoop]: 663 mSDtfsCounter, 122 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1318 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 [2024-11-23 23:07:02,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1318 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12121 states. [2024-11-23 23:07:03,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12121 to 12113. [2024-11-23 23:07:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12113 states, 9996 states have (on average 1.6711684673869547) internal successors, (16705), 10004 states have internal predecessors, (16705), 2084 states have call successors, (2084), 28 states have call predecessors, (2084), 32 states have return successors, (2279), 2082 states have call predecessors, (2279), 2083 states have call successors, (2279) [2024-11-23 23:07:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12113 states to 12113 states and 21068 transitions. [2024-11-23 23:07:03,267 INFO L78 Accepts]: Start accepts. Automaton has 12113 states and 21068 transitions. Word has length 134 [2024-11-23 23:07:03,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:03,267 INFO L471 AbstractCegarLoop]: Abstraction has 12113 states and 21068 transitions. [2024-11-23 23:07:03,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:07:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 12113 states and 21068 transitions. [2024-11-23 23:07:03,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-23 23:07:03,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:03,349 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:03,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:07:03,350 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:03,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:03,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1531007436, now seen corresponding path program 1 times [2024-11-23 23:07:03,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:03,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872949722] [2024-11-23 23:07:03,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:03,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:07:03,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:03,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872949722] [2024-11-23 23:07:03,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872949722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:03,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:03,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:03,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643189582] [2024-11-23 23:07:03,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:03,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:03,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:03,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:03,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:03,491 INFO L87 Difference]: Start difference. First operand 12113 states and 21068 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:07:04,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:04,619 INFO L93 Difference]: Finished difference Result 28972 states and 50332 transitions. [2024-11-23 23:07:04,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:04,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 135 [2024-11-23 23:07:04,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:04,980 INFO L225 Difference]: With dead ends: 28972 [2024-11-23 23:07:04,980 INFO L226 Difference]: Without dead ends: 18908 [2024-11-23 23:07:05,053 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 [2024-11-23 23:07:05,055 INFO L435 NwaCegarLoop]: 668 mSDtfsCounter, 120 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1296 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 [2024-11-23 23:07:05,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1296 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:05,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18908 states. [2024-11-23 23:07:06,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18908 to 18900. [2024-11-23 23:07:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18900 states, 15580 states have (on average 1.648331193838254) internal successors, (25681), 15588 states have internal predecessors, (25681), 3287 states have call successors, (3287), 28 states have call predecessors, (3287), 32 states have return successors, (3626), 3285 states have call predecessors, (3626), 3286 states have call successors, (3626) [2024-11-23 23:07:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18900 states to 18900 states and 32594 transitions. [2024-11-23 23:07:07,056 INFO L78 Accepts]: Start accepts. Automaton has 18900 states and 32594 transitions. Word has length 135 [2024-11-23 23:07:07,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:07,057 INFO L471 AbstractCegarLoop]: Abstraction has 18900 states and 32594 transitions. [2024-11-23 23:07:07,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:07:07,059 INFO L276 IsEmpty]: Start isEmpty. Operand 18900 states and 32594 transitions. [2024-11-23 23:07:07,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 23:07:07,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:07,131 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:07,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 23:07:07,131 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:07,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:07,133 INFO L85 PathProgramCache]: Analyzing trace with hash -66859321, now seen corresponding path program 1 times [2024-11-23 23:07:07,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:07,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029102059] [2024-11-23 23:07:07,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:07,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:07:07,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:07,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029102059] [2024-11-23 23:07:07,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029102059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:07,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:07,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:07,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936987779] [2024-11-23 23:07:07,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:07,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:07,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:07,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:07,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:07,288 INFO L87 Difference]: Start difference. First operand 18900 states and 32594 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:07:09,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:09,092 INFO L93 Difference]: Finished difference Result 49964 states and 86472 transitions. [2024-11-23 23:07:09,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:09,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2024-11-23 23:07:09,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:09,394 INFO L225 Difference]: With dead ends: 49964 [2024-11-23 23:07:09,395 INFO L226 Difference]: Without dead ends: 33726 [2024-11-23 23:07:09,493 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 [2024-11-23 23:07:09,494 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 118 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1316 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 [2024-11-23 23:07:09,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1316 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:09,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33726 states. [2024-11-23 23:07:12,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33726 to 33718. [2024-11-23 23:07:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33718 states, 27948 states have (on average 1.6452340060111637) internal successors, (45981), 27956 states have internal predecessors, (45981), 5737 states have call successors, (5737), 28 states have call predecessors, (5737), 32 states have return successors, (6350), 5735 states have call predecessors, (6350), 5736 states have call successors, (6350) [2024-11-23 23:07:13,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33718 states to 33718 states and 58068 transitions. [2024-11-23 23:07:13,228 INFO L78 Accepts]: Start accepts. Automaton has 33718 states and 58068 transitions. Word has length 136 [2024-11-23 23:07:13,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:13,229 INFO L471 AbstractCegarLoop]: Abstraction has 33718 states and 58068 transitions. [2024-11-23 23:07:13,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:07:13,230 INFO L276 IsEmpty]: Start isEmpty. Operand 33718 states and 58068 transitions. [2024-11-23 23:07:13,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 23:07:13,494 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:13,494 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:13,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 23:07:13,495 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:13,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:13,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1161345722, now seen corresponding path program 1 times [2024-11-23 23:07:13,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:13,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720265289] [2024-11-23 23:07:13,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:13,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:07:13,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:13,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720265289] [2024-11-23 23:07:13,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720265289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:13,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:13,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:13,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718283836] [2024-11-23 23:07:13,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:13,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:13,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:13,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:13,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:13,638 INFO L87 Difference]: Start difference. First operand 33718 states and 58068 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:07:16,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:16,520 INFO L93 Difference]: Finished difference Result 92001 states and 158899 transitions. [2024-11-23 23:07:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:16,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-23 23:07:16,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:17,286 INFO L225 Difference]: With dead ends: 92001 [2024-11-23 23:07:17,286 INFO L226 Difference]: Without dead ends: 61824 [2024-11-23 23:07:17,423 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 [2024-11-23 23:07:17,425 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 116 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1316 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 [2024-11-23 23:07:17,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1316 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:17,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61824 states. [2024-11-23 23:07:20,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61824 to 61816. [2024-11-23 23:07:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61816 states, 51533 states have (on average 1.640948518425087) internal successors, (84563), 51541 states have internal predecessors, (84563), 10250 states have call successors, (10250), 28 states have call predecessors, (10250), 32 states have return successors, (11395), 10248 states have call predecessors, (11395), 10249 states have call successors, (11395) [2024-11-23 23:07:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61816 states to 61816 states and 106208 transitions. [2024-11-23 23:07:21,514 INFO L78 Accepts]: Start accepts. Automaton has 61816 states and 106208 transitions. Word has length 137 [2024-11-23 23:07:21,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:21,515 INFO L471 AbstractCegarLoop]: Abstraction has 61816 states and 106208 transitions. [2024-11-23 23:07:21,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:07:21,516 INFO L276 IsEmpty]: Start isEmpty. Operand 61816 states and 106208 transitions. [2024-11-23 23:07:21,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-23 23:07:21,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:21,627 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:21,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 23:07:21,628 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:21,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:21,629 INFO L85 PathProgramCache]: Analyzing trace with hash 525732551, now seen corresponding path program 1 times [2024-11-23 23:07:21,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:21,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742991018] [2024-11-23 23:07:21,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:21,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:21,808 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:07:21,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:21,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742991018] [2024-11-23 23:07:21,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742991018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:21,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:21,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:21,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656750750] [2024-11-23 23:07:21,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:21,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:21,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:21,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:21,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:21,814 INFO L87 Difference]: Start difference. First operand 61816 states and 106208 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:07:26,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:26,331 INFO L93 Difference]: Finished difference Result 115858 states and 199445 transitions. [2024-11-23 23:07:26,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:26,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2024-11-23 23:07:26,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:27,327 INFO L225 Difference]: With dead ends: 115858 [2024-11-23 23:07:27,327 INFO L226 Difference]: Without dead ends: 115609 [2024-11-23 23:07:27,405 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 [2024-11-23 23:07:27,406 INFO L435 NwaCegarLoop]: 670 mSDtfsCounter, 111 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1330 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 [2024-11-23 23:07:27,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1330 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:07:27,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115609 states. [2024-11-23 23:07:33,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115609 to 115601. [2024-11-23 23:07:33,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115601 states, 96950 states have (on average 1.6355440948942754) internal successors, (158566), 96958 states have internal predecessors, (158566), 18618 states have call successors, (18618), 28 states have call predecessors, (18618), 32 states have return successors, (20809), 18616 states have call predecessors, (20809), 18617 states have call successors, (20809) [2024-11-23 23:07:34,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115601 states to 115601 states and 197993 transitions. [2024-11-23 23:07:34,104 INFO L78 Accepts]: Start accepts. Automaton has 115601 states and 197993 transitions. Word has length 138 [2024-11-23 23:07:34,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:34,105 INFO L471 AbstractCegarLoop]: Abstraction has 115601 states and 197993 transitions. [2024-11-23 23:07:34,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:07:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 115601 states and 197993 transitions. [2024-11-23 23:07:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-23 23:07:34,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:34,198 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:34,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 23:07:34,199 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:34,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:34,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1692313029, now seen corresponding path program 1 times [2024-11-23 23:07:34,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:34,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647270271] [2024-11-23 23:07:34,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:34,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 23:07:35,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:35,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647270271] [2024-11-23 23:07:35,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647270271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:35,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:35,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-23 23:07:35,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846735132] [2024-11-23 23:07:35,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:35,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:07:35,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:35,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:07:35,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:07:35,054 INFO L87 Difference]: Start difference. First operand 115601 states and 197993 transitions. Second operand has 14 states, 12 states have (on average 7.916666666666667) internal successors, (95), 12 states have internal predecessors, (95), 6 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-23 23:07:47,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:47,246 INFO L93 Difference]: Finished difference Result 230623 states and 400382 transitions. [2024-11-23 23:07:47,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-23 23:07:47,247 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 7.916666666666667) internal successors, (95), 12 states have internal predecessors, (95), 6 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 139 [2024-11-23 23:07:47,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:49,513 INFO L225 Difference]: With dead ends: 230623 [2024-11-23 23:07:49,513 INFO L226 Difference]: Without dead ends: 230380 [2024-11-23 23:07:49,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=833, Unknown=0, NotChecked=0, Total=992 [2024-11-23 23:07:49,641 INFO L435 NwaCegarLoop]: 756 mSDtfsCounter, 2000 mSDsluCounter, 7993 mSDsCounter, 0 mSdLazyCounter, 1775 mSolverCounterSat, 649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2000 SdHoareTripleChecker+Valid, 8749 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 649 IncrementalHoareTripleChecker+Valid, 1775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:49,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2000 Valid, 8749 Invalid, 2424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [649 Valid, 1775 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-23 23:07:49,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230380 states.