./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1 --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 82e24cc91d79ad041473748268d13bac909e458d30ed1ab080cccaeb5ccb7cec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:10:15,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:10:15,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 08:10:15,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:10:15,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:10:15,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:10:15,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:10:15,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:10:15,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:10:15,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:10:15,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:10:15,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:10:15,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:10:15,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:10:15,912 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:10:15,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:10:15,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:10:15,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:10:15,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:10:15,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:10:15,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:10:15,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:10:15,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:10:15,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:10:15,913 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:10:15,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:10:15,914 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:10:15,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:10:15,914 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:10:15,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:10:15,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:10:15,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:10:15,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:10:15,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:10:15,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:10:15,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:10:15,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:10:15,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:10:15,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:10:15,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:10:15,915 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:10:15,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:10:15,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:10:15,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:10:15,916 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:10:15,916 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:10:15,916 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:10:15,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:10:15,916 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_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1 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 -> 82e24cc91d79ad041473748268d13bac909e458d30ed1ab080cccaeb5ccb7cec [2024-12-02 08:10:16,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:10:16,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:10:16,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:10:16,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:10:16,245 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:10:16,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/email_spec4_product34.cil.c [2024-12-02 08:10:19,531 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/data/8f3190469/31db9dd26aae46218576b97241b5aff4/FLAG5816ef81b [2024-12-02 08:10:19,876 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:10:19,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c [2024-12-02 08:10:19,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/data/8f3190469/31db9dd26aae46218576b97241b5aff4/FLAG5816ef81b [2024-12-02 08:10:19,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/data/8f3190469/31db9dd26aae46218576b97241b5aff4 [2024-12-02 08:10:19,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:10:19,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:10:19,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:10:19,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:10:19,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:10:19,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:10:19" (1/1) ... [2024-12-02 08:10:19,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e10300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:19, skipping insertion in model container [2024-12-02 08:10:19,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:10:19" (1/1) ... [2024-12-02 08:10:19,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:10:20,125 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_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c[1542,1555] [2024-12-02 08:10:20,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:10:20,533 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:10:20,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-12-02 08:10:20,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [57] [2024-12-02 08:10:20,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [389] [2024-12-02 08:10:20,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1458] [2024-12-02 08:10:20,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1874] [2024-12-02 08:10:20,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2273] [2024-12-02 08:10:20,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2492] [2024-12-02 08:10:20,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2527] [2024-12-02 08:10:20,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2554] [2024-12-02 08:10:20,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2571] [2024-12-02 08:10:20,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2706] [2024-12-02 08:10:20,548 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_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c[1542,1555] [2024-12-02 08:10:20,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:10:20,693 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:10:20,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20 WrapperNode [2024-12-02 08:10:20,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:10:20,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:10:20,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:10:20,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:10:20,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,783 INFO L138 Inliner]: procedures = 134, calls = 219, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1102 [2024-12-02 08:10:20,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:10:20,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:10:20,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:10:20,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:10:20,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,802 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,832 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]. [2024-12-02 08:10:20,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,856 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:10:20,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:10:20,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:10:20,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:10:20,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (1/1) ... [2024-12-02 08:10:20,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:10:20,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:10:20,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:10:20,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:10:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-12-02 08:10:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-12-02 08:10:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-12-02 08:10:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-12-02 08:10:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-12-02 08:10:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-12-02 08:10:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-12-02 08:10:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-12-02 08:10:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-12-02 08:10:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-12-02 08:10:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-12-02 08:10:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-12-02 08:10:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-12-02 08:10:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-12-02 08:10:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-12-02 08:10:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-12-02 08:10:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-12-02 08:10:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-12-02 08:10:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-12-02 08:10:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-12-02 08:10:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-12-02 08:10:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-12-02 08:10:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-12-02 08:10:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-12-02 08:10:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-12-02 08:10:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-12-02 08:10:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-12-02 08:10:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-12-02 08:10:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:10:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-12-02 08:10:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-12-02 08:10:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-12-02 08:10:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-12-02 08:10:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-12-02 08:10:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-12-02 08:10:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-12-02 08:10:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-12-02 08:10:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-12-02 08:10:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-12-02 08:10:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-12-02 08:10:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-12-02 08:10:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-12-02 08:10:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-12-02 08:10:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-12-02 08:10:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-12-02 08:10:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-12-02 08:10:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-12-02 08:10:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-12-02 08:10:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-12-02 08:10:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-12-02 08:10:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-12-02 08:10:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-12-02 08:10:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-12-02 08:10:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:10:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:10:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:10:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:10:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-12-02 08:10:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-12-02 08:10:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-12-02 08:10:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-12-02 08:10:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:10:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:10:21,222 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:10:21,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:10:22,414 INFO L? ?]: Removed 584 outVars from TransFormulas that were not future-live. [2024-12-02 08:10:22,414 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:10:22,437 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:10:22,437 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:10:22,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:10:22 BoogieIcfgContainer [2024-12-02 08:10:22,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:10:22,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:10:22,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:10:22,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:10:22,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:10:19" (1/3) ... [2024-12-02 08:10:22,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564d276f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:10:22, skipping insertion in model container [2024-12-02 08:10:22,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:10:20" (2/3) ... [2024-12-02 08:10:22,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564d276f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:10:22, skipping insertion in model container [2024-12-02 08:10:22,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:10:22" (3/3) ... [2024-12-02 08:10:22,450 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec4_product34.cil.c [2024-12-02 08:10:22,469 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:10:22,472 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec4_product34.cil.c that has 29 procedures, 446 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:10:22,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:10:22,571 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;@51e393b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:10:22,571 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:10:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 446 states, 345 states have (on average 1.5391304347826087) internal successors, (531), 350 states have internal predecessors, (531), 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) [2024-12-02 08:10:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 08:10:22,598 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:22,599 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:22,600 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:22,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:22,606 INFO L85 PathProgramCache]: Analyzing trace with hash -2024837766, now seen corresponding path program 1 times [2024-12-02 08:10:22,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:22,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321935757] [2024-12-02 08:10:22,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:22,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-02 08:10:23,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:23,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321935757] [2024-12-02 08:10:23,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321935757] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:10:23,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811834995] [2024-12-02 08:10:23,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:23,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:10:23,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:10:23,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:10:23,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:10:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:23,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:10:23,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:10:23,862 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-02 08:10:23,862 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:10:23,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811834995] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:23,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:10:23,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 08:10:23,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056601415] [2024-12-02 08:10:23,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:23,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:23,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:23,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:23,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:10:23,895 INFO L87 Difference]: Start difference. First operand has 446 states, 345 states have (on average 1.5391304347826087) internal successors, (531), 350 states have internal predecessors, (531), 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 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:24,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:24,001 INFO L93 Difference]: Finished difference Result 702 states and 1042 transitions. [2024-12-02 08:10:24,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:24,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2024-12-02 08:10:24,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:24,022 INFO L225 Difference]: With dead ends: 702 [2024-12-02 08:10:24,022 INFO L226 Difference]: Without dead ends: 441 [2024-12-02 08:10:24,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:10:24,033 INFO L435 NwaCegarLoop]: 667 mSDtfsCounter, 1 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1331 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 [2024-12-02 08:10:24,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1331 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:24,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-12-02 08:10:24,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 440. [2024-12-02 08:10:24,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 340 states have (on average 1.5323529411764707) internal successors, (521), 344 states have internal predecessors, (521), 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) [2024-12-02 08:10:24,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 662 transitions. [2024-12-02 08:10:24,127 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 662 transitions. Word has length 116 [2024-12-02 08:10:24,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:24,129 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 662 transitions. [2024-12-02 08:10:24,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:24,130 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 662 transitions. [2024-12-02 08:10:24,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 08:10:24,137 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:24,138 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:24,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:10:24,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 08:10:24,339 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:24,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:24,340 INFO L85 PathProgramCache]: Analyzing trace with hash -751687011, now seen corresponding path program 1 times [2024-12-02 08:10:24,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:24,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844551643] [2024-12-02 08:10:24,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:24,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-02 08:10:24,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:24,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844551643] [2024-12-02 08:10:24,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844551643] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:10:24,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137400152] [2024-12-02 08:10:24,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:24,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:10:24,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:10:24,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:10:24,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:10:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:25,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:10:25,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:10:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-02 08:10:25,245 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:10:25,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137400152] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:25,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:10:25,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 08:10:25,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376907016] [2024-12-02 08:10:25,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:25,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:25,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:25,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:25,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:10:25,249 INFO L87 Difference]: Start difference. First operand 440 states and 662 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:25,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:25,320 INFO L93 Difference]: Finished difference Result 928 states and 1416 transitions. [2024-12-02 08:10:25,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:25,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 121 [2024-12-02 08:10:25,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:25,328 INFO L225 Difference]: With dead ends: 928 [2024-12-02 08:10:25,328 INFO L226 Difference]: Without dead ends: 514 [2024-12-02 08:10:25,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:10:25,331 INFO L435 NwaCegarLoop]: 668 mSDtfsCounter, 134 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1280 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 [2024-12-02 08:10:25,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1280 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:25,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-12-02 08:10:25,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 506. [2024-12-02 08:10:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 392 states have (on average 1.5535714285714286) internal successors, (609), 396 states have internal predecessors, (609), 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) [2024-12-02 08:10:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 778 transitions. [2024-12-02 08:10:25,380 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 778 transitions. Word has length 121 [2024-12-02 08:10:25,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:25,381 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 778 transitions. [2024-12-02 08:10:25,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:25,381 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 778 transitions. [2024-12-02 08:10:25,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 08:10:25,386 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:25,387 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:25,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 08:10:25,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:10:25,587 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:25,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:25,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1678505798, now seen corresponding path program 1 times [2024-12-02 08:10:25,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:25,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395935762] [2024-12-02 08:10:25,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:25,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:25,872 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-12-02 08:10:25,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:25,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395935762] [2024-12-02 08:10:25,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395935762] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:10:25,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442720355] [2024-12-02 08:10:25,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:25,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:10:25,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:10:25,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:10:25,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:10:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:26,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 08:10:26,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:10:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 08:10:26,363 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:10:26,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442720355] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:26,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:10:26,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-12-02 08:10:26,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222756553] [2024-12-02 08:10:26,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:26,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:10:26,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:26,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:10:26,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:10:26,365 INFO L87 Difference]: Start difference. First operand 506 states and 778 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 08:10:26,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:26,448 INFO L93 Difference]: Finished difference Result 1003 states and 1546 transitions. [2024-12-02 08:10:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:10:26,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 141 [2024-12-02 08:10:26,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:26,454 INFO L225 Difference]: With dead ends: 1003 [2024-12-02 08:10:26,454 INFO L226 Difference]: Without dead ends: 508 [2024-12-02 08:10:26,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:10:26,456 INFO L435 NwaCegarLoop]: 653 mSDtfsCounter, 2 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2601 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 [2024-12-02 08:10:26,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2601 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:26,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-12-02 08:10:26,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2024-12-02 08:10:26,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 393 states have (on average 1.5521628498727735) internal successors, (610), 398 states have internal predecessors, (610), 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) [2024-12-02 08:10:26,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 781 transitions. [2024-12-02 08:10:26,481 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 781 transitions. Word has length 141 [2024-12-02 08:10:26,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:26,482 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 781 transitions. [2024-12-02 08:10:26,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 08:10:26,482 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 781 transitions. [2024-12-02 08:10:26,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 08:10:26,485 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:26,485 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:26,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 08:10:26,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:10:26,686 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:26,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:26,686 INFO L85 PathProgramCache]: Analyzing trace with hash -886985075, now seen corresponding path program 1 times [2024-12-02 08:10:26,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:26,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084364453] [2024-12-02 08:10:26,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:26,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:26,954 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-02 08:10:26,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:26,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084364453] [2024-12-02 08:10:26,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084364453] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:10:26,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704713290] [2024-12-02 08:10:26,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:26,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:10:26,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:10:26,957 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:10:26,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 08:10:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:27,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 08:10:27,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:10:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-02 08:10:27,434 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:10:27,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704713290] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:27,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:10:27,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-12-02 08:10:27,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964171832] [2024-12-02 08:10:27,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:27,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:10:27,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:27,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:10:27,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 08:10:27,436 INFO L87 Difference]: Start difference. First operand 508 states and 781 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 08:10:27,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:27,537 INFO L93 Difference]: Finished difference Result 1005 states and 1551 transitions. [2024-12-02 08:10:27,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:10:27,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 123 [2024-12-02 08:10:27,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:27,543 INFO L225 Difference]: With dead ends: 1005 [2024-12-02 08:10:27,543 INFO L226 Difference]: Without dead ends: 510 [2024-12-02 08:10:27,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 08:10:27,546 INFO L435 NwaCegarLoop]: 651 mSDtfsCounter, 2 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2587 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:27,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2587 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:27,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-12-02 08:10:27,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2024-12-02 08:10:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 394 states have (on average 1.5507614213197969) internal successors, (611), 400 states have internal predecessors, (611), 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) [2024-12-02 08:10:27,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 787 transitions. [2024-12-02 08:10:27,579 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 787 transitions. Word has length 123 [2024-12-02 08:10:27,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:27,579 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 787 transitions. [2024-12-02 08:10:27,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 08:10:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 787 transitions. [2024-12-02 08:10:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 08:10:27,583 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:27,583 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:27,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 08:10:27,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:10:27,784 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:27,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:27,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1460416342, now seen corresponding path program 1 times [2024-12-02 08:10:27,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:27,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204039925] [2024-12-02 08:10:27,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:27,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-02 08:10:27,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:27,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204039925] [2024-12-02 08:10:27,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204039925] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:27,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:27,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:10:27,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607157706] [2024-12-02 08:10:27,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:27,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:10:27,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:27,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:10:27,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:10:27,953 INFO L87 Difference]: Start difference. First operand 510 states and 787 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 08:10:28,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:28,005 INFO L93 Difference]: Finished difference Result 997 states and 1542 transitions. [2024-12-02 08:10:28,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:10:28,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 124 [2024-12-02 08:10:28,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:28,010 INFO L225 Difference]: With dead ends: 997 [2024-12-02 08:10:28,010 INFO L226 Difference]: Without dead ends: 510 [2024-12-02 08:10:28,011 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 [2024-12-02 08:10:28,012 INFO L435 NwaCegarLoop]: 654 mSDtfsCounter, 2 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2605 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 [2024-12-02 08:10:28,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2605 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:28,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-12-02 08:10:28,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2024-12-02 08:10:28,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 394 states have (on average 1.5507614213197969) internal successors, (611), 400 states have internal predecessors, (611), 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) [2024-12-02 08:10:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 786 transitions. [2024-12-02 08:10:28,041 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 786 transitions. Word has length 124 [2024-12-02 08:10:28,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:28,042 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 786 transitions. [2024-12-02 08:10:28,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 08:10:28,042 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 786 transitions. [2024-12-02 08:10:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 08:10:28,045 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:28,045 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:28,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:10:28,046 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:28,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:28,046 INFO L85 PathProgramCache]: Analyzing trace with hash -847250052, now seen corresponding path program 2 times [2024-12-02 08:10:28,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:28,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185652205] [2024-12-02 08:10:28,047 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 08:10:28,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:28,077 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 08:10:28,077 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 08:10:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-02 08:10:28,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:28,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185652205] [2024-12-02 08:10:28,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185652205] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:28,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:28,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 08:10:28,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858633831] [2024-12-02 08:10:28,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:28,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 08:10:28,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:28,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 08:10:28,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:10:28,202 INFO L87 Difference]: Start difference. First operand 510 states and 786 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:28,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:28,844 INFO L93 Difference]: Finished difference Result 873 states and 1382 transitions. [2024-12-02 08:10:28,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 08:10:28,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 125 [2024-12-02 08:10:28,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:28,853 INFO L225 Difference]: With dead ends: 873 [2024-12-02 08:10:28,853 INFO L226 Difference]: Without dead ends: 871 [2024-12-02 08:10:28,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-12-02 08:10:28,855 INFO L435 NwaCegarLoop]: 660 mSDtfsCounter, 631 mSDsluCounter, 3476 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 4136 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:28,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 4136 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:10:28,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-12-02 08:10:28,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 863. [2024-12-02 08:10:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 677 states have (on average 1.5937961595273265) internal successors, (1079), 685 states have internal predecessors, (1079), 136 states have call successors, (136), 49 states have call predecessors, (136), 49 states have return successors, (151), 131 states have call predecessors, (151), 135 states have call successors, (151) [2024-12-02 08:10:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1366 transitions. [2024-12-02 08:10:28,913 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1366 transitions. Word has length 125 [2024-12-02 08:10:28,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:28,914 INFO L471 AbstractCegarLoop]: Abstraction has 863 states and 1366 transitions. [2024-12-02 08:10:28,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1366 transitions. [2024-12-02 08:10:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 08:10:28,920 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:28,921 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:28,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:10:28,921 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:28,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:28,921 INFO L85 PathProgramCache]: Analyzing trace with hash 103679730, now seen corresponding path program 1 times [2024-12-02 08:10:28,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:28,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174186693] [2024-12-02 08:10:28,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:28,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:29,156 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-12-02 08:10:29,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:29,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174186693] [2024-12-02 08:10:29,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174186693] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:29,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:29,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:10:29,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330924721] [2024-12-02 08:10:29,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:29,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:10:29,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:29,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:10:29,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:10:29,158 INFO L87 Difference]: Start difference. First operand 863 states and 1366 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 08:10:29,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:29,248 INFO L93 Difference]: Finished difference Result 1705 states and 2705 transitions. [2024-12-02 08:10:29,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:10:29,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 145 [2024-12-02 08:10:29,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:29,257 INFO L225 Difference]: With dead ends: 1705 [2024-12-02 08:10:29,258 INFO L226 Difference]: Without dead ends: 865 [2024-12-02 08:10:29,261 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 [2024-12-02 08:10:29,262 INFO L435 NwaCegarLoop]: 655 mSDtfsCounter, 1 mSDsluCounter, 1953 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2608 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 [2024-12-02 08:10:29,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2608 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:29,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2024-12-02 08:10:29,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 865. [2024-12-02 08:10:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 678 states have (on average 1.592920353982301) internal successors, (1080), 687 states have internal predecessors, (1080), 136 states have call successors, (136), 49 states have call predecessors, (136), 50 states have return successors, (153), 131 states have call predecessors, (153), 135 states have call successors, (153) [2024-12-02 08:10:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1369 transitions. [2024-12-02 08:10:29,318 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1369 transitions. Word has length 145 [2024-12-02 08:10:29,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:29,318 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1369 transitions. [2024-12-02 08:10:29,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 08:10:29,319 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1369 transitions. [2024-12-02 08:10:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 08:10:29,324 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:29,324 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, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:29,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:10:29,324 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:29,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:29,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1720113908, now seen corresponding path program 1 times [2024-12-02 08:10:29,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:29,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323360238] [2024-12-02 08:10:29,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:29,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-02 08:10:29,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:29,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323360238] [2024-12-02 08:10:29,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323360238] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:29,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:29,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 08:10:29,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708608297] [2024-12-02 08:10:29,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:29,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 08:10:29,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:29,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 08:10:29,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:10:29,558 INFO L87 Difference]: Start difference. First operand 865 states and 1369 transitions. Second operand has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-12-02 08:10:29,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:29,754 INFO L93 Difference]: Finished difference Result 1455 states and 2277 transitions. [2024-12-02 08:10:29,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:10:29,754 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 127 [2024-12-02 08:10:29,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:29,761 INFO L225 Difference]: With dead ends: 1455 [2024-12-02 08:10:29,761 INFO L226 Difference]: Without dead ends: 618 [2024-12-02 08:10:29,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:10:29,765 INFO L435 NwaCegarLoop]: 645 mSDtfsCounter, 7 mSDsluCounter, 3841 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4486 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:29,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4486 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:10:29,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-12-02 08:10:29,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 618. [2024-12-02 08:10:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 479 states have (on average 1.5511482254697286) internal successors, (743), 487 states have internal predecessors, (743), 97 states have call successors, (97), 40 states have call predecessors, (97), 41 states have return successors, (105), 93 states have call predecessors, (105), 95 states have call successors, (105) [2024-12-02 08:10:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 945 transitions. [2024-12-02 08:10:29,806 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 945 transitions. Word has length 127 [2024-12-02 08:10:29,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:29,807 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 945 transitions. [2024-12-02 08:10:29,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-12-02 08:10:29,807 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 945 transitions. [2024-12-02 08:10:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 08:10:29,811 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:29,811 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:29,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:10:29,812 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:29,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:29,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1919839496, now seen corresponding path program 1 times [2024-12-02 08:10:29,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:29,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244953927] [2024-12-02 08:10:29,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:29,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-02 08:10:30,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:30,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244953927] [2024-12-02 08:10:30,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244953927] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:30,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:30,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 08:10:30,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398678896] [2024-12-02 08:10:30,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:30,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 08:10:30,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:30,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 08:10:30,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:10:30,051 INFO L87 Difference]: Start difference. First operand 618 states and 945 transitions. Second operand has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 08:10:30,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:30,252 INFO L93 Difference]: Finished difference Result 1212 states and 1861 transitions. [2024-12-02 08:10:30,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:10:30,253 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 147 [2024-12-02 08:10:30,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:30,259 INFO L225 Difference]: With dead ends: 1212 [2024-12-02 08:10:30,260 INFO L226 Difference]: Without dead ends: 621 [2024-12-02 08:10:30,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:10:30,263 INFO L435 NwaCegarLoop]: 647 mSDtfsCounter, 5 mSDsluCounter, 3853 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:30,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4500 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:10:30,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-12-02 08:10:30,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 621. [2024-12-02 08:10:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 481 states have (on average 1.5488565488565489) internal successors, (745), 490 states have internal predecessors, (745), 97 states have call successors, (97), 40 states have call predecessors, (97), 42 states have return successors, (110), 93 states have call predecessors, (110), 95 states have call successors, (110) [2024-12-02 08:10:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 952 transitions. [2024-12-02 08:10:30,322 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 952 transitions. Word has length 147 [2024-12-02 08:10:30,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:30,322 INFO L471 AbstractCegarLoop]: Abstraction has 621 states and 952 transitions. [2024-12-02 08:10:30,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 08:10:30,322 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 952 transitions. [2024-12-02 08:10:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 08:10:30,326 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:30,326 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:30,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:10:30,326 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:30,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:30,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1258783067, now seen corresponding path program 1 times [2024-12-02 08:10:30,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:30,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716539350] [2024-12-02 08:10:30,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:30,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 08:10:30,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:30,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716539350] [2024-12-02 08:10:30,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716539350] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:30,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:30,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:10:30,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557878690] [2024-12-02 08:10:30,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:30,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:10:30,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:30,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:10:30,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:10:30,530 INFO L87 Difference]: Start difference. First operand 621 states and 952 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 08:10:30,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:30,639 INFO L93 Difference]: Finished difference Result 1214 states and 1869 transitions. [2024-12-02 08:10:30,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:10:30,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 129 [2024-12-02 08:10:30,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:30,647 INFO L225 Difference]: With dead ends: 1214 [2024-12-02 08:10:30,647 INFO L226 Difference]: Without dead ends: 623 [2024-12-02 08:10:30,651 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 [2024-12-02 08:10:30,652 INFO L435 NwaCegarLoop]: 651 mSDtfsCounter, 0 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2587 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:30,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2587 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:30,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-12-02 08:10:30,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 621. [2024-12-02 08:10:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 481 states have (on average 1.5488565488565489) internal successors, (745), 490 states have internal predecessors, (745), 97 states have call successors, (97), 40 states have call predecessors, (97), 42 states have return successors, (110), 93 states have call predecessors, (110), 95 states have call successors, (110) [2024-12-02 08:10:30,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 952 transitions. [2024-12-02 08:10:30,701 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 952 transitions. Word has length 129 [2024-12-02 08:10:30,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:30,701 INFO L471 AbstractCegarLoop]: Abstraction has 621 states and 952 transitions. [2024-12-02 08:10:30,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 08:10:30,701 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 952 transitions. [2024-12-02 08:10:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 08:10:30,706 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:30,706 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:30,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:10:30,706 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:30,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:30,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1747451614, now seen corresponding path program 1 times [2024-12-02 08:10:30,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:30,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613838186] [2024-12-02 08:10:30,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:30,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:30,858 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:10:30,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:30,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613838186] [2024-12-02 08:10:30,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613838186] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:10:30,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526373136] [2024-12-02 08:10:30,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:30,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:10:30,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:10:30,861 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:10:30,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 08:10:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:31,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:10:31,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:10:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:10:31,318 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:10:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:10:31,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526373136] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:10:31,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:10:31,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 08:10:31,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134349740] [2024-12-02 08:10:31,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:10:31,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:10:31,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:31,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:10:31,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:10:31,445 INFO L87 Difference]: Start difference. First operand 621 states and 952 transitions. Second operand has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 08:10:31,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:31,672 INFO L93 Difference]: Finished difference Result 1409 states and 2225 transitions. [2024-12-02 08:10:31,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:10:31,673 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 148 [2024-12-02 08:10:31,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:31,681 INFO L225 Difference]: With dead ends: 1409 [2024-12-02 08:10:31,682 INFO L226 Difference]: Without dead ends: 1057 [2024-12-02 08:10:31,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:10:31,685 INFO L435 NwaCegarLoop]: 696 mSDtfsCounter, 601 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 1815 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:10:31,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 1815 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:10:31,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-12-02 08:10:31,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1033. [2024-12-02 08:10:31,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 814 states have (on average 1.6117936117936118) internal successors, (1312), 823 states have internal predecessors, (1312), 176 states have call successors, (176), 40 states have call predecessors, (176), 42 states have return successors, (199), 172 states have call predecessors, (199), 174 states have call successors, (199) [2024-12-02 08:10:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1687 transitions. [2024-12-02 08:10:31,747 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1687 transitions. Word has length 148 [2024-12-02 08:10:31,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:31,747 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1687 transitions. [2024-12-02 08:10:31,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 08:10:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1687 transitions. [2024-12-02 08:10:31,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 08:10:31,754 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:31,755 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:31,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 08:10:31,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26fa95c3-e92c-4e05-a2f3-4525cf8073fc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 08:10:31,955 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:31,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:31,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1472587712, now seen corresponding path program 1 times [2024-12-02 08:10:31,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:31,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131778215] [2024-12-02 08:10:31,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:31,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-02 08:10:32,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:32,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131778215] [2024-12-02 08:10:32,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131778215] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:32,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:32,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:10:32,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388151551] [2024-12-02 08:10:32,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:32,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:32,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:32,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:32,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:10:32,062 INFO L87 Difference]: Start difference. First operand 1033 states and 1687 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:32,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:32,127 INFO L93 Difference]: Finished difference Result 2413 states and 4003 transitions. [2024-12-02 08:10:32,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:32,128 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 136 [2024-12-02 08:10:32,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:32,139 INFO L225 Difference]: With dead ends: 2413 [2024-12-02 08:10:32,139 INFO L226 Difference]: Without dead ends: 1449 [2024-12-02 08:10:32,144 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 [2024-12-02 08:10:32,145 INFO L435 NwaCegarLoop]: 671 mSDtfsCounter, 132 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1327 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 [2024-12-02 08:10:32,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1327 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:32,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-12-02 08:10:32,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1441. [2024-12-02 08:10:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1143 states have (on average 1.63167104111986) internal successors, (1865), 1152 states have internal predecessors, (1865), 255 states have call successors, (255), 40 states have call predecessors, (255), 42 states have return successors, (288), 251 states have call predecessors, (288), 253 states have call successors, (288) [2024-12-02 08:10:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2408 transitions. [2024-12-02 08:10:32,231 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2408 transitions. Word has length 136 [2024-12-02 08:10:32,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:32,232 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 2408 transitions. [2024-12-02 08:10:32,232 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:32,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2408 transitions. [2024-12-02 08:10:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 08:10:32,241 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:32,242 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:32,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 08:10:32,242 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:32,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:32,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1106659658, now seen corresponding path program 1 times [2024-12-02 08:10:32,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:32,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971439036] [2024-12-02 08:10:32,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:32,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:32,332 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:10:32,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:32,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971439036] [2024-12-02 08:10:32,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971439036] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:32,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:32,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:10:32,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299004056] [2024-12-02 08:10:32,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:32,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:32,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:32,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:32,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:10:32,334 INFO L87 Difference]: Start difference. First operand 1441 states and 2408 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:10:32,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:32,419 INFO L93 Difference]: Finished difference Result 3410 states and 5748 transitions. [2024-12-02 08:10:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:32,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-12-02 08:10:32,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:32,435 INFO L225 Difference]: With dead ends: 3410 [2024-12-02 08:10:32,435 INFO L226 Difference]: Without dead ends: 2089 [2024-12-02 08:10:32,442 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 [2024-12-02 08:10:32,443 INFO L435 NwaCegarLoop]: 660 mSDtfsCounter, 130 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1314 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 [2024-12-02 08:10:32,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1314 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:32,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2024-12-02 08:10:32,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2081. [2024-12-02 08:10:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 1664 states have (on average 1.6466346153846154) internal successors, (2740), 1673 states have internal predecessors, (2740), 374 states have call successors, (374), 40 states have call predecessors, (374), 42 states have return successors, (407), 370 states have call predecessors, (407), 372 states have call successors, (407) [2024-12-02 08:10:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3521 transitions. [2024-12-02 08:10:32,582 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3521 transitions. Word has length 156 [2024-12-02 08:10:32,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:32,582 INFO L471 AbstractCegarLoop]: Abstraction has 2081 states and 3521 transitions. [2024-12-02 08:10:32,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:10:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3521 transitions. [2024-12-02 08:10:32,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 08:10:32,596 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:32,597 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:32,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 08:10:32,597 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:32,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:32,597 INFO L85 PathProgramCache]: Analyzing trace with hash 860755481, now seen corresponding path program 1 times [2024-12-02 08:10:32,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:32,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078130861] [2024-12-02 08:10:32,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:32,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:10:32,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:32,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078130861] [2024-12-02 08:10:32,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078130861] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:32,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:32,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:10:32,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325372437] [2024-12-02 08:10:32,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:32,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:32,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:32,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:32,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:10:32,691 INFO L87 Difference]: Start difference. First operand 2081 states and 3521 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:10:32,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:32,818 INFO L93 Difference]: Finished difference Result 4912 states and 8388 transitions. [2024-12-02 08:10:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:32,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2024-12-02 08:10:32,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:32,840 INFO L225 Difference]: With dead ends: 4912 [2024-12-02 08:10:32,840 INFO L226 Difference]: Without dead ends: 3072 [2024-12-02 08:10:32,849 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 [2024-12-02 08:10:32,850 INFO L435 NwaCegarLoop]: 660 mSDtfsCounter, 128 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1311 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 [2024-12-02 08:10:32,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1311 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:32,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2024-12-02 08:10:32,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3064. [2024-12-02 08:10:33,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3064 states, 2485 states have (on average 1.6587525150905433) internal successors, (4122), 2494 states have internal predecessors, (4122), 536 states have call successors, (536), 40 states have call predecessors, (536), 42 states have return successors, (585), 532 states have call predecessors, (585), 534 states have call successors, (585) [2024-12-02 08:10:33,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 5243 transitions. [2024-12-02 08:10:33,020 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 5243 transitions. Word has length 157 [2024-12-02 08:10:33,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:33,021 INFO L471 AbstractCegarLoop]: Abstraction has 3064 states and 5243 transitions. [2024-12-02 08:10:33,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:10:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 5243 transitions. [2024-12-02 08:10:33,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 08:10:33,040 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:33,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:33,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 08:10:33,040 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:33,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:33,041 INFO L85 PathProgramCache]: Analyzing trace with hash -36802190, now seen corresponding path program 1 times [2024-12-02 08:10:33,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:33,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156996876] [2024-12-02 08:10:33,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:33,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-02 08:10:33,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:33,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156996876] [2024-12-02 08:10:33,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156996876] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:33,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:33,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:10:33,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553688151] [2024-12-02 08:10:33,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:33,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:33,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:33,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:33,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:10:33,129 INFO L87 Difference]: Start difference. First operand 3064 states and 5243 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:33,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:33,267 INFO L93 Difference]: Finished difference Result 7290 states and 12574 transitions. [2024-12-02 08:10:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:33,268 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 139 [2024-12-02 08:10:33,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:33,302 INFO L225 Difference]: With dead ends: 7290 [2024-12-02 08:10:33,302 INFO L226 Difference]: Without dead ends: 4664 [2024-12-02 08:10:33,315 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 [2024-12-02 08:10:33,316 INFO L435 NwaCegarLoop]: 660 mSDtfsCounter, 126 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1311 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 [2024-12-02 08:10:33,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1311 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:33,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4664 states. [2024-12-02 08:10:33,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4664 to 4656. [2024-12-02 08:10:33,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4656 states, 3832 states have (on average 1.667536534446764) internal successors, (6390), 3841 states have internal predecessors, (6390), 781 states have call successors, (781), 40 states have call predecessors, (781), 42 states have return successors, (856), 777 states have call predecessors, (856), 779 states have call successors, (856) [2024-12-02 08:10:33,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 8027 transitions. [2024-12-02 08:10:33,597 INFO L78 Accepts]: Start accepts. Automaton has 4656 states and 8027 transitions. Word has length 139 [2024-12-02 08:10:33,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:33,597 INFO L471 AbstractCegarLoop]: Abstraction has 4656 states and 8027 transitions. [2024-12-02 08:10:33,597 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:33,598 INFO L276 IsEmpty]: Start isEmpty. Operand 4656 states and 8027 transitions. [2024-12-02 08:10:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 08:10:33,624 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:33,624 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:33,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 08:10:33,624 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:33,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:33,625 INFO L85 PathProgramCache]: Analyzing trace with hash -440153378, now seen corresponding path program 1 times [2024-12-02 08:10:33,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:33,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540932034] [2024-12-02 08:10:33,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:33,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-02 08:10:33,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:33,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540932034] [2024-12-02 08:10:33,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540932034] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:33,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:33,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:10:33,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853136879] [2024-12-02 08:10:33,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:33,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:33,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:33,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:33,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:10:33,712 INFO L87 Difference]: Start difference. First operand 4656 states and 8027 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:33,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:33,939 INFO L93 Difference]: Finished difference Result 11259 states and 19557 transitions. [2024-12-02 08:10:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:33,939 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 140 [2024-12-02 08:10:33,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:33,986 INFO L225 Difference]: With dead ends: 11259 [2024-12-02 08:10:33,987 INFO L226 Difference]: Without dead ends: 7342 [2024-12-02 08:10:34,000 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 [2024-12-02 08:10:34,000 INFO L435 NwaCegarLoop]: 673 mSDtfsCounter, 124 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1324 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 [2024-12-02 08:10:34,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1324 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:34,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7342 states. [2024-12-02 08:10:34,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7342 to 7334. [2024-12-02 08:10:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7334 states, 6017 states have (on average 1.6686056174173176) internal successors, (10040), 6026 states have internal predecessors, (10040), 1274 states have call successors, (1274), 40 states have call predecessors, (1274), 42 states have return successors, (1393), 1270 states have call predecessors, (1393), 1272 states have call successors, (1393) [2024-12-02 08:10:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7334 states to 7334 states and 12707 transitions. [2024-12-02 08:10:34,422 INFO L78 Accepts]: Start accepts. Automaton has 7334 states and 12707 transitions. Word has length 140 [2024-12-02 08:10:34,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:34,422 INFO L471 AbstractCegarLoop]: Abstraction has 7334 states and 12707 transitions. [2024-12-02 08:10:34,422 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:34,423 INFO L276 IsEmpty]: Start isEmpty. Operand 7334 states and 12707 transitions. [2024-12-02 08:10:34,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 08:10:34,453 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:34,454 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:34,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 08:10:34,454 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:34,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:34,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1061778774, now seen corresponding path program 1 times [2024-12-02 08:10:34,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:34,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556963586] [2024-12-02 08:10:34,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:34,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-02 08:10:34,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:34,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556963586] [2024-12-02 08:10:34,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556963586] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:34,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:34,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:10:34,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021563086] [2024-12-02 08:10:34,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:34,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:34,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:34,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:34,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:10:34,568 INFO L87 Difference]: Start difference. First operand 7334 states and 12707 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:35,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:35,002 INFO L93 Difference]: Finished difference Result 18461 states and 32197 transitions. [2024-12-02 08:10:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:35,004 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 141 [2024-12-02 08:10:35,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:35,077 INFO L225 Difference]: With dead ends: 18461 [2024-12-02 08:10:35,077 INFO L226 Difference]: Without dead ends: 12227 [2024-12-02 08:10:35,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:10:35,103 INFO L435 NwaCegarLoop]: 662 mSDtfsCounter, 122 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 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 [2024-12-02 08:10:35,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1316 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:35,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12227 states. [2024-12-02 08:10:35,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12227 to 12219. [2024-12-02 08:10:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12219 states, 10080 states have (on average 1.6702380952380953) internal successors, (16836), 10089 states have internal predecessors, (16836), 2096 states have call successors, (2096), 40 states have call predecessors, (2096), 42 states have return successors, (2293), 2092 states have call predecessors, (2293), 2094 states have call successors, (2293) [2024-12-02 08:10:35,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12219 states to 12219 states and 21225 transitions. [2024-12-02 08:10:35,754 INFO L78 Accepts]: Start accepts. Automaton has 12219 states and 21225 transitions. Word has length 141 [2024-12-02 08:10:35,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:35,754 INFO L471 AbstractCegarLoop]: Abstraction has 12219 states and 21225 transitions. [2024-12-02 08:10:35,755 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:35,755 INFO L276 IsEmpty]: Start isEmpty. Operand 12219 states and 21225 transitions. [2024-12-02 08:10:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 08:10:35,823 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:35,823 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:35,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 08:10:35,823 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:35,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:35,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1103978641, now seen corresponding path program 1 times [2024-12-02 08:10:35,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:35,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787742760] [2024-12-02 08:10:35,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:35,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:10:35,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:35,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787742760] [2024-12-02 08:10:35,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787742760] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:35,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:35,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:10:35,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207740126] [2024-12-02 08:10:35,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:35,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:35,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:35,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:35,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:10:35,897 INFO L87 Difference]: Start difference. First operand 12219 states and 21225 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:10:36,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:36,440 INFO L93 Difference]: Finished difference Result 29181 states and 50643 transitions. [2024-12-02 08:10:36,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:36,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2024-12-02 08:10:36,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:36,549 INFO L225 Difference]: With dead ends: 29181 [2024-12-02 08:10:36,549 INFO L226 Difference]: Without dead ends: 19014 [2024-12-02 08:10:36,581 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 [2024-12-02 08:10:36,582 INFO L435 NwaCegarLoop]: 669 mSDtfsCounter, 120 mSDsluCounter, 627 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 [2024-12-02 08:10:36,582 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] [2024-12-02 08:10:36,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19014 states. [2024-12-02 08:10:37,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19014 to 19006. [2024-12-02 08:10:37,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19006 states, 15664 states have (on average 1.6478549540347294) internal successors, (25812), 15673 states have internal predecessors, (25812), 3299 states have call successors, (3299), 40 states have call predecessors, (3299), 42 states have return successors, (3640), 3295 states have call predecessors, (3640), 3297 states have call successors, (3640) [2024-12-02 08:10:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19006 states to 19006 states and 32751 transitions. [2024-12-02 08:10:37,775 INFO L78 Accepts]: Start accepts. Automaton has 19006 states and 32751 transitions. Word has length 161 [2024-12-02 08:10:37,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:37,776 INFO L471 AbstractCegarLoop]: Abstraction has 19006 states and 32751 transitions. [2024-12-02 08:10:37,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:10:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 19006 states and 32751 transitions. [2024-12-02 08:10:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 08:10:37,836 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:37,836 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:37,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 08:10:37,836 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:37,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1025591804, now seen corresponding path program 1 times [2024-12-02 08:10:37,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:37,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602055578] [2024-12-02 08:10:37,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:37,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:10:37,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:37,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602055578] [2024-12-02 08:10:37,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602055578] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:37,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:37,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:10:37,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728026352] [2024-12-02 08:10:37,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:37,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:37,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:37,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:37,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:10:37,964 INFO L87 Difference]: Start difference. First operand 19006 states and 32751 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:10:38,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:38,922 INFO L93 Difference]: Finished difference Result 50173 states and 86783 transitions. [2024-12-02 08:10:38,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:38,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-12-02 08:10:38,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:39,082 INFO L225 Difference]: With dead ends: 50173 [2024-12-02 08:10:39,083 INFO L226 Difference]: Without dead ends: 33832 [2024-12-02 08:10:39,125 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 [2024-12-02 08:10:39,126 INFO L435 NwaCegarLoop]: 660 mSDtfsCounter, 118 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1314 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 [2024-12-02 08:10:39,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1314 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:39,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33832 states. [2024-12-02 08:10:40,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33832 to 33824. [2024-12-02 08:10:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33824 states, 28032 states have (on average 1.6449771689497716) internal successors, (46112), 28041 states have internal predecessors, (46112), 5749 states have call successors, (5749), 40 states have call predecessors, (5749), 42 states have return successors, (6364), 5745 states have call predecessors, (6364), 5747 states have call successors, (6364) [2024-12-02 08:10:40,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33824 states to 33824 states and 58225 transitions. [2024-12-02 08:10:40,480 INFO L78 Accepts]: Start accepts. Automaton has 33824 states and 58225 transitions. Word has length 162 [2024-12-02 08:10:40,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:40,480 INFO L471 AbstractCegarLoop]: Abstraction has 33824 states and 58225 transitions. [2024-12-02 08:10:40,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:10:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 33824 states and 58225 transitions. [2024-12-02 08:10:40,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 08:10:40,516 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:40,516 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:40,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 08:10:40,517 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:40,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:40,517 INFO L85 PathProgramCache]: Analyzing trace with hash -407934795, now seen corresponding path program 1 times [2024-12-02 08:10:40,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:40,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634145300] [2024-12-02 08:10:40,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:40,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:10:40,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:40,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634145300] [2024-12-02 08:10:40,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634145300] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:40,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:40,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:10:40,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212246984] [2024-12-02 08:10:40,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:40,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:40,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:40,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:40,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:10:40,580 INFO L87 Difference]: Start difference. First operand 33824 states and 58225 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:10:42,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:42,596 INFO L93 Difference]: Finished difference Result 92210 states and 159210 transitions. [2024-12-02 08:10:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:42,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2024-12-02 08:10:42,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:42,824 INFO L225 Difference]: With dead ends: 92210 [2024-12-02 08:10:42,825 INFO L226 Difference]: Without dead ends: 61930 [2024-12-02 08:10:42,909 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 [2024-12-02 08:10:42,910 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 116 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1315 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 [2024-12-02 08:10:42,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1315 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61930 states. [2024-12-02 08:10:44,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61930 to 61922. [2024-12-02 08:10:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61922 states, 51617 states have (on average 1.640816010229188) internal successors, (84694), 51626 states have internal predecessors, (84694), 10262 states have call successors, (10262), 40 states have call predecessors, (10262), 42 states have return successors, (11409), 10258 states have call predecessors, (11409), 10260 states have call successors, (11409) [2024-12-02 08:10:45,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61922 states to 61922 states and 106365 transitions. [2024-12-02 08:10:45,196 INFO L78 Accepts]: Start accepts. Automaton has 61922 states and 106365 transitions. Word has length 163 [2024-12-02 08:10:45,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:45,197 INFO L471 AbstractCegarLoop]: Abstraction has 61922 states and 106365 transitions. [2024-12-02 08:10:45,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:10:45,197 INFO L276 IsEmpty]: Start isEmpty. Operand 61922 states and 106365 transitions. [2024-12-02 08:10:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 08:10:45,252 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:45,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:45,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 08:10:45,253 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:45,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:45,253 INFO L85 PathProgramCache]: Analyzing trace with hash -176147209, now seen corresponding path program 1 times [2024-12-02 08:10:45,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:45,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108413263] [2024-12-02 08:10:45,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:45,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-02 08:10:45,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:45,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108413263] [2024-12-02 08:10:45,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108413263] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:45,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:45,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:10:45,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898933796] [2024-12-02 08:10:45,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:45,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:10:45,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:45,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:10:45,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:10:45,317 INFO L87 Difference]: Start difference. First operand 61922 states and 106365 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:48,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:10:48,726 INFO L93 Difference]: Finished difference Result 116067 states and 199756 transitions. [2024-12-02 08:10:48,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:10:48,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 145 [2024-12-02 08:10:48,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:10:49,232 INFO L225 Difference]: With dead ends: 116067 [2024-12-02 08:10:49,233 INFO L226 Difference]: Without dead ends: 115715 [2024-12-02 08:10:49,296 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 [2024-12-02 08:10:49,297 INFO L435 NwaCegarLoop]: 669 mSDtfsCounter, 111 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1328 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 [2024-12-02 08:10:49,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1328 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:10:49,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115715 states. [2024-12-02 08:10:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115715 to 115707. [2024-12-02 08:10:52,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115707 states, 97034 states have (on average 1.6354782859616217) internal successors, (158697), 97043 states have internal predecessors, (158697), 18630 states have call successors, (18630), 40 states have call predecessors, (18630), 42 states have return successors, (20823), 18626 states have call predecessors, (20823), 18628 states have call successors, (20823) [2024-12-02 08:10:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115707 states to 115707 states and 198150 transitions. [2024-12-02 08:10:53,125 INFO L78 Accepts]: Start accepts. Automaton has 115707 states and 198150 transitions. Word has length 145 [2024-12-02 08:10:53,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:10:53,126 INFO L471 AbstractCegarLoop]: Abstraction has 115707 states and 198150 transitions. [2024-12-02 08:10:53,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:10:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 115707 states and 198150 transitions. [2024-12-02 08:10:53,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 08:10:53,193 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:10:53,193 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:10:53,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 08:10:53,193 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:10:53,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:10:53,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1928038715, now seen corresponding path program 1 times [2024-12-02 08:10:53,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:10:53,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572572269] [2024-12-02 08:10:53,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:10:53,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:10:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:10:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-02 08:10:53,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:10:53,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572572269] [2024-12-02 08:10:53,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572572269] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:10:53,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:10:53,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 08:10:53,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990733133] [2024-12-02 08:10:53,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:10:53,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 08:10:53,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:10:53,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 08:10:53,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-12-02 08:10:53,672 INFO L87 Difference]: Start difference. First operand 115707 states and 198150 transitions. Second operand has 14 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-12-02 08:11:01,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:01,114 INFO L93 Difference]: Finished difference Result 231004 states and 400947 transitions. [2024-12-02 08:11:01,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 08:11:01,115 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 146 [2024-12-02 08:11:01,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:02,266 INFO L225 Difference]: With dead ends: 231004 [2024-12-02 08:11:02,266 INFO L226 Difference]: Without dead ends: 230733 [2024-12-02 08:11:02,337 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 [2024-12-02 08:11:02,339 INFO L435 NwaCegarLoop]: 751 mSDtfsCounter, 2014 mSDsluCounter, 7950 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 8701 SdHoareTripleChecker+Invalid, 2405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:02,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2014 Valid, 8701 Invalid, 2405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [655 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 08:11:02,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230733 states. [2024-12-02 08:11:10,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230733 to 230620. [2024-12-02 08:11:10,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230620 states, 193440 states have (on average 1.635809553349876) internal successors, (316431), 193355 states have internal predecessors, (316431), 37064 states have call successors, (37064), 108 states have call predecessors, (37064), 115 states have return successors, (44749), 37166 states have call predecessors, (44749), 37058 states have call successors, (44749) [2024-12-02 08:11:11,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230620 states to 230620 states and 398244 transitions. [2024-12-02 08:11:11,776 INFO L78 Accepts]: Start accepts. Automaton has 230620 states and 398244 transitions. Word has length 146 [2024-12-02 08:11:11,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:11,777 INFO L471 AbstractCegarLoop]: Abstraction has 230620 states and 398244 transitions. [2024-12-02 08:11:11,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-12-02 08:11:11,777 INFO L276 IsEmpty]: Start isEmpty. Operand 230620 states and 398244 transitions. [2024-12-02 08:11:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 08:11:11,931 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:11,932 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:11,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 08:11:11,932 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:11,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:11,933 INFO L85 PathProgramCache]: Analyzing trace with hash 202001055, now seen corresponding path program 1 times [2024-12-02 08:11:11,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:11,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411151752] [2024-12-02 08:11:11,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:11,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:12,651 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-02 08:11:12,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:12,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411151752] [2024-12-02 08:11:12,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411151752] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:12,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:12,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:11:12,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680781904] [2024-12-02 08:11:12,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:12,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:11:12,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:12,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:11:12,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:11:12,658 INFO L87 Difference]: Start difference. First operand 230620 states and 398244 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:11:21,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:21,179 INFO L93 Difference]: Finished difference Result 347076 states and 608125 transitions. [2024-12-02 08:11:21,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:11:21,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 147 [2024-12-02 08:11:21,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:22,617 INFO L225 Difference]: With dead ends: 347076 [2024-12-02 08:11:22,617 INFO L226 Difference]: Without dead ends: 346437 [2024-12-02 08:11:22,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:11:22,753 INFO L435 NwaCegarLoop]: 1085 mSDtfsCounter, 934 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 3216 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:22,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 3216 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 08:11:22,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346437 states. [2024-12-02 08:11:36,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346437 to 345555. [2024-12-02 08:11:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345555 states, 289859 states have (on average 1.635895383617552) internal successors, (474179), 289683 states have internal predecessors, (474179), 55502 states have call successors, (55502), 178 states have call predecessors, (55502), 193 states have return successors, (74036), 55710 states have call predecessors, (74036), 55492 states have call successors, (74036) [2024-12-02 08:11:38,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345555 states to 345555 states and 603717 transitions. [2024-12-02 08:11:38,480 INFO L78 Accepts]: Start accepts. Automaton has 345555 states and 603717 transitions. Word has length 147 [2024-12-02 08:11:38,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:38,480 INFO L471 AbstractCegarLoop]: Abstraction has 345555 states and 603717 transitions. [2024-12-02 08:11:38,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:11:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 345555 states and 603717 transitions. [2024-12-02 08:11:38,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 08:11:38,771 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:38,771 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:38,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 08:11:38,771 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:38,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:38,772 INFO L85 PathProgramCache]: Analyzing trace with hash 2066257543, now seen corresponding path program 1 times [2024-12-02 08:11:38,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:38,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202071235] [2024-12-02 08:11:38,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:38,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:11:39,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:39,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202071235] [2024-12-02 08:11:39,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202071235] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:39,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:39,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 08:11:39,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714965066] [2024-12-02 08:11:39,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:39,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:11:39,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:39,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:11:39,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:11:39,007 INFO L87 Difference]: Start difference. First operand 345555 states and 603717 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:11:55,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:55,124 INFO L93 Difference]: Finished difference Result 667402 states and 1169927 transitions. [2024-12-02 08:11:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:11:55,125 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 167 [2024-12-02 08:11:55,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:58,250 INFO L225 Difference]: With dead ends: 667402 [2024-12-02 08:11:58,250 INFO L226 Difference]: Without dead ends: 665579 [2024-12-02 08:11:58,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 08:11:58,507 INFO L435 NwaCegarLoop]: 718 mSDtfsCounter, 607 mSDsluCounter, 2628 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 3346 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:58,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 3346 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:11:58,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665579 states. [2024-12-02 08:12:24,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665579 to 665553. [2024-12-02 08:12:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665553 states, 558348 states have (on average 1.6383868125255217) internal successors, (914790), 557976 states have internal predecessors, (914790), 106814 states have call successors, (106814), 352 states have call predecessors, (106814), 390 states have return successors, (143675), 107258 states have call predecessors, (143675), 106794 states have call successors, (143675) [2024-12-02 08:12:28,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665553 states to 665553 states and 1165279 transitions. [2024-12-02 08:12:28,861 INFO L78 Accepts]: Start accepts. Automaton has 665553 states and 1165279 transitions. Word has length 167 [2024-12-02 08:12:28,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:28,861 INFO L471 AbstractCegarLoop]: Abstraction has 665553 states and 1165279 transitions. [2024-12-02 08:12:28,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:12:28,862 INFO L276 IsEmpty]: Start isEmpty. Operand 665553 states and 1165279 transitions. [2024-12-02 08:12:29,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 08:12:29,122 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:29,123 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:29,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 08:12:29,123 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:12:29,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:29,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1746775550, now seen corresponding path program 1 times [2024-12-02 08:12:29,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:12:29,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547670393] [2024-12-02 08:12:29,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:29,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:12:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:12:29,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:12:29,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547670393] [2024-12-02 08:12:29,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547670393] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:29,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:29,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 08:12:29,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919112291] [2024-12-02 08:12:29,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:29,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 08:12:29,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:12:29,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 08:12:29,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:12:29,845 INFO L87 Difference]: Start difference. First operand 665553 states and 1165279 transitions. Second operand has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 5 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (18), 4 states have call predecessors, (18), 5 states have call successors, (18)