./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8cc51a90eddcdd1da62e020cc4e0c6e4b67a610d36952c31f8c5cbe15c29949c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:10:09,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:10:09,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:10:09,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:10:09,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:10:09,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:10:09,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:10:09,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:10:09,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:10:09,999 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:10:10,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:10:10,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:10:10,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:10:10,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:10:10,001 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:10:10,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:10:10,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:10:10,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:10:10,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:10:10,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:10:10,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:10:10,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:10:10,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:10:10,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:10:10,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:10:10,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:10:10,003 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:10:10,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:10:10,003 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:10:10,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:10:10,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:10:10,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:10:10,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:10:10,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:10:10,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:10:10,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:10:10,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:10:10,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:10:10,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:10:10,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:10:10,005 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:10:10,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:10:10,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:10:10,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:10:10,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:10:10,005 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:10:10,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:10:10,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:10:10,007 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_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cc51a90eddcdd1da62e020cc4e0c6e4b67a610d36952c31f8c5cbe15c29949c [2024-11-28 03:10:10,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:10:10,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:10:10,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:10:10,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:10:10,334 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:10:10,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/email_spec8_product21.cil.c [2024-11-28 03:10:13,189 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/data/8536da4d6/2ab5242e71c74f4d98fb196738756e21/FLAGd6f2e0202 [2024-11-28 03:10:13,655 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:10:13,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/sv-benchmarks/c/product-lines/email_spec8_product21.cil.c [2024-11-28 03:10:13,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/data/8536da4d6/2ab5242e71c74f4d98fb196738756e21/FLAGd6f2e0202 [2024-11-28 03:10:13,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/data/8536da4d6/2ab5242e71c74f4d98fb196738756e21 [2024-11-28 03:10:13,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:10:13,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:10:13,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:10:13,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:10:13,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:10:13,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:13" (1/1) ... [2024-11-28 03:10:13,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13281861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:13, skipping insertion in model container [2024-11-28 03:10:13,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:13" (1/1) ... [2024-11-28 03:10:13,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:10:14,189 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_cf2082e0-657d-464d-9113-e03b7070eef1/sv-benchmarks/c/product-lines/email_spec8_product21.cil.c[15456,15469] [2024-11-28 03:10:14,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:10:14,473 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:10:14,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-28 03:10:14,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [380] [2024-11-28 03:10:14,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [492] [2024-11-28 03:10:14,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [810] [2024-11-28 03:10:14,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] [2024-11-28 03:10:14,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1038] [2024-11-28 03:10:14,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [1404] [2024-11-28 03:10:14,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1446] [2024-11-28 03:10:14,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2508] [2024-11-28 03:10:14,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2543] [2024-11-28 03:10:14,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2946] [2024-11-28 03:10:14,539 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_cf2082e0-657d-464d-9113-e03b7070eef1/sv-benchmarks/c/product-lines/email_spec8_product21.cil.c[15456,15469] [2024-11-28 03:10:14,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:10:14,685 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:10:14,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14 WrapperNode [2024-11-28 03:10:14,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:10:14,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:10:14,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:10:14,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:10:14,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,771 INFO L138 Inliner]: procedures = 129, calls = 200, calls flagged for inlining = 58, calls inlined = 55, statements flattened = 1076 [2024-11-28 03:10:14,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:10:14,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:10:14,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:10:14,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:10:14,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,798 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,847 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-28 03:10:14,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,883 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:10:14,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:10:14,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:10:14,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:10:14,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (1/1) ... [2024-11-28 03:10:14,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:10:14,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:14,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:15,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:10:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-28 03:10:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-28 03:10:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-28 03:10:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-28 03:10:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-28 03:10:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-28 03:10:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-28 03:10:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-28 03:10:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-28 03:10:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-28 03:10:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-28 03:10:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-28 03:10:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-28 03:10:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-28 03:10:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-28 03:10:15,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-28 03:10:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-28 03:10:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-28 03:10:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-28 03:10:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-28 03:10:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:10:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-28 03:10:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-28 03:10:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-28 03:10:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-28 03:10:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-28 03:10:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-28 03:10:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-28 03:10:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-28 03:10:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-28 03:10:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-28 03:10:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-28 03:10:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-28 03:10:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-28 03:10:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-28 03:10:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-28 03:10:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-28 03:10:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-28 03:10:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-28 03:10:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:10:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:10:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:10:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:10:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-28 03:10:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-28 03:10:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-28 03:10:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-28 03:10:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:10:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:10:15,335 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:10:15,338 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:10:16,712 INFO L? ?]: Removed 524 outVars from TransFormulas that were not future-live. [2024-11-28 03:10:16,713 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:10:16,746 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:10:16,746 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:10:16,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:16 BoogieIcfgContainer [2024-11-28 03:10:16,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:10:16,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:10:16,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:10:16,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:10:16,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:10:13" (1/3) ... [2024-11-28 03:10:16,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f20d252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:16, skipping insertion in model container [2024-11-28 03:10:16,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:14" (2/3) ... [2024-11-28 03:10:16,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f20d252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:16, skipping insertion in model container [2024-11-28 03:10:16,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:16" (3/3) ... [2024-11-28 03:10:16,763 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec8_product21.cil.c [2024-11-28 03:10:16,779 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:10:16,782 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec8_product21.cil.c that has 22 procedures, 376 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:10:16,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:10:16,887 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;@6843afc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:10:16,887 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:10:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 296 states have (on average 1.570945945945946) internal successors, (465), 301 states have internal predecessors, (465), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-28 03:10:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 03:10:16,913 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:16,914 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:16,914 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:16,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:16,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1075785528, now seen corresponding path program 1 times [2024-11-28 03:10:16,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:16,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821429780] [2024-11-28 03:10:16,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:16,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-28 03:10:17,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:17,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821429780] [2024-11-28 03:10:17,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821429780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:10:17,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362527029] [2024-11-28 03:10:17,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:17,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:17,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:17,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:10:17,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:10:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:18,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:10:18,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:10:18,394 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:10:18,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362527029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:18,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:10:18,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-28 03:10:18,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213538534] [2024-11-28 03:10:18,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:18,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:10:18,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:18,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:10:18,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:18,431 INFO L87 Difference]: Start difference. First operand has 376 states, 296 states have (on average 1.570945945945946) internal successors, (465), 301 states have internal predecessors, (465), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:18,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:18,520 INFO L93 Difference]: Finished difference Result 560 states and 849 transitions. [2024-11-28 03:10:18,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:10:18,522 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2024-11-28 03:10:18,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:18,539 INFO L225 Difference]: With dead ends: 560 [2024-11-28 03:10:18,540 INFO L226 Difference]: Without dead ends: 369 [2024-11-28 03:10:18,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:18,552 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:18,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:18,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-28 03:10:18,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2024-11-28 03:10:18,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 290 states have (on average 1.5655172413793104) internal successors, (454), 294 states have internal predecessors, (454), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 03:10:18,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 567 transitions. [2024-11-28 03:10:18,637 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 567 transitions. Word has length 98 [2024-11-28 03:10:18,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:18,639 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 567 transitions. [2024-11-28 03:10:18,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:18,639 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 567 transitions. [2024-11-28 03:10:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 03:10:18,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:18,645 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:18,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:10:18,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:10:18,846 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:18,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:18,847 INFO L85 PathProgramCache]: Analyzing trace with hash 941174462, now seen corresponding path program 1 times [2024-11-28 03:10:18,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:18,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077121281] [2024-11-28 03:10:18,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:18,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:19,288 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-28 03:10:19,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:19,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077121281] [2024-11-28 03:10:19,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077121281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:10:19,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722216678] [2024-11-28 03:10:19,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:19,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:19,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:19,295 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:10:19,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:10:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:19,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:10:19,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:10:19,725 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:10:19,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722216678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:19,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:10:19,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 03:10:19,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701992854] [2024-11-28 03:10:19,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:19,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:19,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:19,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:19,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:10:19,731 INFO L87 Difference]: Start difference. First operand 369 states and 567 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:19,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:19,803 INFO L93 Difference]: Finished difference Result 549 states and 826 transitions. [2024-11-28 03:10:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:19,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2024-11-28 03:10:19,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:19,812 INFO L225 Difference]: With dead ends: 549 [2024-11-28 03:10:19,812 INFO L226 Difference]: Without dead ends: 371 [2024-11-28 03:10:19,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:10:19,814 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 1 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:19,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1128 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:19,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-28 03:10:19,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 370. [2024-11-28 03:10:19,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 291 states have (on average 1.563573883161512) internal successors, (455), 295 states have internal predecessors, (455), 57 states have call successors, (57), 21 states have call predecessors, (57), 21 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 03:10:19,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 568 transitions. [2024-11-28 03:10:19,866 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 568 transitions. Word has length 98 [2024-11-28 03:10:19,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:19,867 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 568 transitions. [2024-11-28 03:10:19,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:19,867 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 568 transitions. [2024-11-28 03:10:19,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:10:19,872 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:19,872 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:19,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:10:20,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-28 03:10:20,073 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:20,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:20,074 INFO L85 PathProgramCache]: Analyzing trace with hash 896604516, now seen corresponding path program 1 times [2024-11-28 03:10:20,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:20,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475369317] [2024-11-28 03:10:20,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:20,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-28 03:10:20,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:20,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475369317] [2024-11-28 03:10:20,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475369317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:10:20,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894480809] [2024-11-28 03:10:20,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:20,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:20,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:20,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:10:20,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:10:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:20,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:10:20,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:10:20,827 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:10:20,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894480809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:20,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:10:20,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 03:10:20,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926499390] [2024-11-28 03:10:20,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:20,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:20,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:20,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:20,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:10:20,831 INFO L87 Difference]: Start difference. First operand 370 states and 568 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:20,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:20,890 INFO L93 Difference]: Finished difference Result 788 states and 1228 transitions. [2024-11-28 03:10:20,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:20,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2024-11-28 03:10:20,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:20,895 INFO L225 Difference]: With dead ends: 788 [2024-11-28 03:10:20,895 INFO L226 Difference]: Without dead ends: 444 [2024-11-28 03:10:20,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:10:20,898 INFO L435 NwaCegarLoop]: 583 mSDtfsCounter, 134 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:20,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1105 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-28 03:10:20,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 436. [2024-11-28 03:10:20,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 343 states have (on average 1.5830903790087463) internal successors, (543), 347 states have internal predecessors, (543), 71 states have call successors, (71), 21 states have call predecessors, (71), 21 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-28 03:10:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 684 transitions. [2024-11-28 03:10:20,928 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 684 transitions. Word has length 103 [2024-11-28 03:10:20,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:20,929 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 684 transitions. [2024-11-28 03:10:20,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:20,929 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 684 transitions. [2024-11-28 03:10:20,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 03:10:20,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:20,932 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:20,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:10:21,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:21,133 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:21,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:21,134 INFO L85 PathProgramCache]: Analyzing trace with hash -199544531, now seen corresponding path program 1 times [2024-11-28 03:10:21,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:21,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883589319] [2024-11-28 03:10:21,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:21,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-28 03:10:21,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:21,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883589319] [2024-11-28 03:10:21,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883589319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:10:21,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535685630] [2024-11-28 03:10:21,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:21,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:21,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:21,413 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:10:21,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:10:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:21,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:10:21,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 03:10:21,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:10:21,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535685630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:21,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:10:21,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-28 03:10:21,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599072838] [2024-11-28 03:10:21,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:21,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:10:21,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:21,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:10:21,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:10:21,850 INFO L87 Difference]: Start difference. First operand 436 states and 684 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:21,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:21,964 INFO L93 Difference]: Finished difference Result 863 states and 1358 transitions. [2024-11-28 03:10:21,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:10:21,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 104 [2024-11-28 03:10:21,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:21,972 INFO L225 Difference]: With dead ends: 863 [2024-11-28 03:10:21,972 INFO L226 Difference]: Without dead ends: 438 [2024-11-28 03:10:21,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:10:21,979 INFO L435 NwaCegarLoop]: 559 mSDtfsCounter, 2 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2225 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:21,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2225 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:21,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-28 03:10:22,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2024-11-28 03:10:22,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 344 states have (on average 1.5813953488372092) internal successors, (544), 349 states have internal predecessors, (544), 71 states have call successors, (71), 21 states have call predecessors, (71), 22 states have return successors, (72), 69 states have call predecessors, (72), 70 states have call successors, (72) [2024-11-28 03:10:22,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 687 transitions. [2024-11-28 03:10:22,015 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 687 transitions. Word has length 104 [2024-11-28 03:10:22,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:22,017 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 687 transitions. [2024-11-28 03:10:22,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 687 transitions. [2024-11-28 03:10:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 03:10:22,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:22,021 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:22,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:10:22,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:22,222 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:22,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:22,222 INFO L85 PathProgramCache]: Analyzing trace with hash -343944452, now seen corresponding path program 1 times [2024-11-28 03:10:22,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:22,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063045804] [2024-11-28 03:10:22,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:22,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 03:10:22,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:22,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063045804] [2024-11-28 03:10:22,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063045804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:10:22,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230171382] [2024-11-28 03:10:22,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:22,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:22,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:22,462 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:10:22,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:10:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:22,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:10:22,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 03:10:22,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:10:22,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230171382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:22,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:10:22,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-28 03:10:22,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648958779] [2024-11-28 03:10:22,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:22,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:10:22,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:22,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:10:22,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:10:22,854 INFO L87 Difference]: Start difference. First operand 438 states and 687 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:22,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:22,949 INFO L93 Difference]: Finished difference Result 865 states and 1363 transitions. [2024-11-28 03:10:22,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:10:22,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 105 [2024-11-28 03:10:22,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:22,954 INFO L225 Difference]: With dead ends: 865 [2024-11-28 03:10:22,954 INFO L226 Difference]: Without dead ends: 440 [2024-11-28 03:10:22,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:10:22,957 INFO L435 NwaCegarLoop]: 557 mSDtfsCounter, 2 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2211 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 [2024-11-28 03:10:22,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2211 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:22,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-28 03:10:22,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-28 03:10:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 345 states have (on average 1.5797101449275361) internal successors, (545), 351 states have internal predecessors, (545), 71 states have call successors, (71), 21 states have call predecessors, (71), 23 states have return successors, (77), 69 states have call predecessors, (77), 70 states have call successors, (77) [2024-11-28 03:10:22,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 693 transitions. [2024-11-28 03:10:22,981 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 693 transitions. Word has length 105 [2024-11-28 03:10:22,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:22,981 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 693 transitions. [2024-11-28 03:10:22,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:22,982 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 693 transitions. [2024-11-28 03:10:22,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 03:10:22,985 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:22,985 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:22,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:10:23,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:23,186 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:23,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:23,186 INFO L85 PathProgramCache]: Analyzing trace with hash 459124726, now seen corresponding path program 1 times [2024-11-28 03:10:23,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:23,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592477824] [2024-11-28 03:10:23,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:23,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-28 03:10:23,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:23,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592477824] [2024-11-28 03:10:23,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592477824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:23,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:23,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:10:23,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135820243] [2024-11-28 03:10:23,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:23,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:10:23,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:23,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:10:23,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:23,401 INFO L87 Difference]: Start difference. First operand 440 states and 693 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:23,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:23,470 INFO L93 Difference]: Finished difference Result 857 states and 1354 transitions. [2024-11-28 03:10:23,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:10:23,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2024-11-28 03:10:23,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:23,475 INFO L225 Difference]: With dead ends: 857 [2024-11-28 03:10:23,475 INFO L226 Difference]: Without dead ends: 440 [2024-11-28 03:10:23,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:23,478 INFO L435 NwaCegarLoop]: 560 mSDtfsCounter, 2 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:23,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2229 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:23,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-28 03:10:23,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-28 03:10:23,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 345 states have (on average 1.5797101449275361) internal successors, (545), 351 states have internal predecessors, (545), 71 states have call successors, (71), 21 states have call predecessors, (71), 23 states have return successors, (76), 69 states have call predecessors, (76), 70 states have call successors, (76) [2024-11-28 03:10:23,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 692 transitions. [2024-11-28 03:10:23,500 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 692 transitions. Word has length 106 [2024-11-28 03:10:23,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:23,501 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 692 transitions. [2024-11-28 03:10:23,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 692 transitions. [2024-11-28 03:10:23,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 03:10:23,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:23,504 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:23,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:10:23,504 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:23,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:23,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1088759769, now seen corresponding path program 2 times [2024-11-28 03:10:23,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:23,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471681176] [2024-11-28 03:10:23,505 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:10:23,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:23,542 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:10:23,542 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:10:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:10:23,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:23,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471681176] [2024-11-28 03:10:23,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471681176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:23,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:23,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:10:23,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037592827] [2024-11-28 03:10:23,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:23,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:10:23,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:23,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:10:23,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:23,673 INFO L87 Difference]: Start difference. First operand 440 states and 692 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:23,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:23,753 INFO L93 Difference]: Finished difference Result 855 states and 1349 transitions. [2024-11-28 03:10:23,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:10:23,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2024-11-28 03:10:23,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:23,758 INFO L225 Difference]: With dead ends: 855 [2024-11-28 03:10:23,758 INFO L226 Difference]: Without dead ends: 440 [2024-11-28 03:10:23,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:23,761 INFO L435 NwaCegarLoop]: 558 mSDtfsCounter, 2 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:23,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2215 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:23,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-28 03:10:23,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-28 03:10:23,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 345 states have (on average 1.5797101449275361) internal successors, (545), 351 states have internal predecessors, (545), 71 states have call successors, (71), 21 states have call predecessors, (71), 23 states have return successors, (75), 69 states have call predecessors, (75), 70 states have call successors, (75) [2024-11-28 03:10:23,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 691 transitions. [2024-11-28 03:10:23,786 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 691 transitions. Word has length 107 [2024-11-28 03:10:23,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:23,787 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 691 transitions. [2024-11-28 03:10:23,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:23,787 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 691 transitions. [2024-11-28 03:10:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 03:10:23,790 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:23,790 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] [2024-11-28 03:10:23,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:10:23,790 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:23,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:23,791 INFO L85 PathProgramCache]: Analyzing trace with hash -459354557, now seen corresponding path program 3 times [2024-11-28 03:10:23,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:23,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375758890] [2024-11-28 03:10:23,791 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:10:23,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:23,833 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 03:10:23,833 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:10:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:10:23,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:23,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375758890] [2024-11-28 03:10:23,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375758890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:23,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:23,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:10:23,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097905221] [2024-11-28 03:10:23,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:23,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:10:23,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:23,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:10:23,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:23,966 INFO L87 Difference]: Start difference. First operand 440 states and 691 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:24,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:24,068 INFO L93 Difference]: Finished difference Result 857 states and 1355 transitions. [2024-11-28 03:10:24,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:10:24,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2024-11-28 03:10:24,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:24,074 INFO L225 Difference]: With dead ends: 857 [2024-11-28 03:10:24,074 INFO L226 Difference]: Without dead ends: 442 [2024-11-28 03:10:24,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:24,077 INFO L435 NwaCegarLoop]: 561 mSDtfsCounter, 1 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2226 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:24,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2226 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:10:24,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-28 03:10:24,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2024-11-28 03:10:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 346 states have (on average 1.5780346820809248) internal successors, (546), 353 states have internal predecessors, (546), 71 states have call successors, (71), 21 states have call predecessors, (71), 24 states have return successors, (80), 69 states have call predecessors, (80), 70 states have call successors, (80) [2024-11-28 03:10:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 697 transitions. [2024-11-28 03:10:24,114 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 697 transitions. Word has length 108 [2024-11-28 03:10:24,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:24,115 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 697 transitions. [2024-11-28 03:10:24,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:24,115 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 697 transitions. [2024-11-28 03:10:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:10:24,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:24,118 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:24,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:10:24,119 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:24,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:24,120 INFO L85 PathProgramCache]: Analyzing trace with hash -2105064382, now seen corresponding path program 1 times [2024-11-28 03:10:24,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:24,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024937929] [2024-11-28 03:10:24,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:24,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:10:24,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:24,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024937929] [2024-11-28 03:10:24,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024937929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:24,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:24,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:10:24,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387640570] [2024-11-28 03:10:24,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:24,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:10:24,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:24,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:10:24,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:24,319 INFO L87 Difference]: Start difference. First operand 442 states and 697 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:24,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:24,389 INFO L93 Difference]: Finished difference Result 863 states and 1365 transitions. [2024-11-28 03:10:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:10:24,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2024-11-28 03:10:24,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:24,394 INFO L225 Difference]: With dead ends: 863 [2024-11-28 03:10:24,394 INFO L226 Difference]: Without dead ends: 444 [2024-11-28 03:10:24,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:24,398 INFO L435 NwaCegarLoop]: 561 mSDtfsCounter, 1 mSDsluCounter, 1671 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2232 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:24,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2232 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:24,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-28 03:10:24,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2024-11-28 03:10:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 347 states have (on average 1.5763688760806915) internal successors, (547), 355 states have internal predecessors, (547), 71 states have call successors, (71), 21 states have call predecessors, (71), 25 states have return successors, (82), 69 states have call predecessors, (82), 70 states have call successors, (82) [2024-11-28 03:10:24,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 700 transitions. [2024-11-28 03:10:24,428 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 700 transitions. Word has length 109 [2024-11-28 03:10:24,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:24,429 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 700 transitions. [2024-11-28 03:10:24,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:10:24,429 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 700 transitions. [2024-11-28 03:10:24,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:10:24,433 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:24,433 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:24,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:10:24,434 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:24,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:24,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2145107956, now seen corresponding path program 1 times [2024-11-28 03:10:24,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:24,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427931285] [2024-11-28 03:10:24,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:24,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:24,583 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:24,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:24,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427931285] [2024-11-28 03:10:24,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427931285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:10:24,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364580690] [2024-11-28 03:10:24,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:24,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:24,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:24,586 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:10:24,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:10:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:24,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:10:24,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:24,979 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:10:25,098 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:25,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364580690] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:10:25,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:10:25,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 03:10:25,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946824149] [2024-11-28 03:10:25,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:10:25,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:10:25,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:25,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:10:25,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:10:25,102 INFO L87 Difference]: Start difference. First operand 444 states and 700 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:10:25,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:25,337 INFO L93 Difference]: Finished difference Result 1058 states and 1724 transitions. [2024-11-28 03:10:25,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:10:25,338 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2024-11-28 03:10:25,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:25,344 INFO L225 Difference]: With dead ends: 1058 [2024-11-28 03:10:25,344 INFO L226 Difference]: Without dead ends: 880 [2024-11-28 03:10:25,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:10:25,347 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 521 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 2128 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:25,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 2128 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:10:25,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2024-11-28 03:10:25,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 856. [2024-11-28 03:10:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 680 states have (on average 1.638235294117647) internal successors, (1114), 688 states have internal predecessors, (1114), 150 states have call successors, (150), 21 states have call predecessors, (150), 25 states have return successors, (171), 148 states have call predecessors, (171), 149 states have call successors, (171) [2024-11-28 03:10:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1435 transitions. [2024-11-28 03:10:25,396 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1435 transitions. Word has length 110 [2024-11-28 03:10:25,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:25,396 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1435 transitions. [2024-11-28 03:10:25,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:10:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1435 transitions. [2024-11-28 03:10:25,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 03:10:25,402 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:25,402 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:25,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:10:25,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2082e0-657d-464d-9113-e03b7070eef1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:10:25,603 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:25,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:25,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1415140272, now seen corresponding path program 1 times [2024-11-28 03:10:25,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:25,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043483603] [2024-11-28 03:10:25,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:25,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:25,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:25,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043483603] [2024-11-28 03:10:25,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043483603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:25,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:25,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:10:25,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139303314] [2024-11-28 03:10:25,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:25,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:25,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:25,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:25,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:25,699 INFO L87 Difference]: Start difference. First operand 856 states and 1435 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:25,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:25,830 INFO L93 Difference]: Finished difference Result 2062 states and 3502 transitions. [2024-11-28 03:10:25,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:25,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2024-11-28 03:10:25,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:25,841 INFO L225 Difference]: With dead ends: 2062 [2024-11-28 03:10:25,841 INFO L226 Difference]: Without dead ends: 1272 [2024-11-28 03:10:25,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:25,845 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 132 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:25,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1150 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:25,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2024-11-28 03:10:25,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1264. [2024-11-28 03:10:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1009 states have (on average 1.6521308225966302) internal successors, (1667), 1017 states have internal predecessors, (1667), 229 states have call successors, (229), 21 states have call predecessors, (229), 25 states have return successors, (260), 227 states have call predecessors, (260), 228 states have call successors, (260) [2024-11-28 03:10:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 2156 transitions. [2024-11-28 03:10:25,919 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 2156 transitions. Word has length 117 [2024-11-28 03:10:25,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:25,920 INFO L471 AbstractCegarLoop]: Abstraction has 1264 states and 2156 transitions. [2024-11-28 03:10:25,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 2156 transitions. [2024-11-28 03:10:25,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 03:10:25,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:25,930 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:25,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:10:25,930 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:25,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:25,931 INFO L85 PathProgramCache]: Analyzing trace with hash 928267188, now seen corresponding path program 1 times [2024-11-28 03:10:25,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:25,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835839779] [2024-11-28 03:10:25,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:25,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:26,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:26,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835839779] [2024-11-28 03:10:26,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835839779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:26,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:26,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:10:26,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640013453] [2024-11-28 03:10:26,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:26,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:26,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:26,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:26,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:26,012 INFO L87 Difference]: Start difference. First operand 1264 states and 2156 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:26,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:26,118 INFO L93 Difference]: Finished difference Result 3059 states and 5247 transitions. [2024-11-28 03:10:26,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:26,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-11-28 03:10:26,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:26,133 INFO L225 Difference]: With dead ends: 3059 [2024-11-28 03:10:26,133 INFO L226 Difference]: Without dead ends: 1912 [2024-11-28 03:10:26,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:26,139 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 130 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:26,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:26,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2024-11-28 03:10:26,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1904. [2024-11-28 03:10:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1904 states, 1530 states have (on average 1.6614379084967321) internal successors, (2542), 1538 states have internal predecessors, (2542), 348 states have call successors, (348), 21 states have call predecessors, (348), 25 states have return successors, (379), 346 states have call predecessors, (379), 347 states have call successors, (379) [2024-11-28 03:10:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 3269 transitions. [2024-11-28 03:10:26,273 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 3269 transitions. Word has length 118 [2024-11-28 03:10:26,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:26,273 INFO L471 AbstractCegarLoop]: Abstraction has 1904 states and 3269 transitions. [2024-11-28 03:10:26,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:26,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 3269 transitions. [2024-11-28 03:10:26,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 03:10:26,288 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:26,288 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:26,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:10:26,289 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:26,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:26,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1146445170, now seen corresponding path program 1 times [2024-11-28 03:10:26,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:26,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024393331] [2024-11-28 03:10:26,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:26,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:26,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:26,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024393331] [2024-11-28 03:10:26,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024393331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:26,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:26,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:10:26,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027774207] [2024-11-28 03:10:26,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:26,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:26,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:26,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:26,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:26,371 INFO L87 Difference]: Start difference. First operand 1904 states and 3269 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:26,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:26,505 INFO L93 Difference]: Finished difference Result 4561 states and 7887 transitions. [2024-11-28 03:10:26,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:26,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-11-28 03:10:26,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:26,528 INFO L225 Difference]: With dead ends: 4561 [2024-11-28 03:10:26,529 INFO L226 Difference]: Without dead ends: 2895 [2024-11-28 03:10:26,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:26,537 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 128 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:26,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1123 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:26,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2024-11-28 03:10:26,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2887. [2024-11-28 03:10:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2887 states, 2351 states have (on average 1.6690769885155252) internal successors, (3924), 2359 states have internal predecessors, (3924), 510 states have call successors, (510), 21 states have call predecessors, (510), 25 states have return successors, (557), 508 states have call predecessors, (557), 509 states have call successors, (557) [2024-11-28 03:10:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 4991 transitions. [2024-11-28 03:10:26,838 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 4991 transitions. Word has length 119 [2024-11-28 03:10:26,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:26,838 INFO L471 AbstractCegarLoop]: Abstraction has 2887 states and 4991 transitions. [2024-11-28 03:10:26,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:26,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 4991 transitions. [2024-11-28 03:10:26,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 03:10:26,859 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:26,860 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:26,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:10:26,860 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:26,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:26,861 INFO L85 PathProgramCache]: Analyzing trace with hash 477991027, now seen corresponding path program 1 times [2024-11-28 03:10:26,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:26,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164563134] [2024-11-28 03:10:26,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:26,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:26,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:26,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164563134] [2024-11-28 03:10:26,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164563134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:26,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:26,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:10:26,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774761201] [2024-11-28 03:10:26,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:26,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:26,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:26,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:26,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:26,969 INFO L87 Difference]: Start difference. First operand 2887 states and 4991 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:27,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:27,151 INFO L93 Difference]: Finished difference Result 6939 states and 12073 transitions. [2024-11-28 03:10:27,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:27,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-11-28 03:10:27,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:27,184 INFO L225 Difference]: With dead ends: 6939 [2024-11-28 03:10:27,184 INFO L226 Difference]: Without dead ends: 4487 [2024-11-28 03:10:27,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:27,195 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 126 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:27,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1123 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:27,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4487 states. [2024-11-28 03:10:27,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4487 to 4479. [2024-11-28 03:10:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4479 states, 3698 states have (on average 1.6744186046511629) internal successors, (6192), 3706 states have internal predecessors, (6192), 755 states have call successors, (755), 21 states have call predecessors, (755), 25 states have return successors, (828), 753 states have call predecessors, (828), 754 states have call successors, (828) [2024-11-28 03:10:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4479 states to 4479 states and 7775 transitions. [2024-11-28 03:10:27,574 INFO L78 Accepts]: Start accepts. Automaton has 4479 states and 7775 transitions. Word has length 120 [2024-11-28 03:10:27,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:27,576 INFO L471 AbstractCegarLoop]: Abstraction has 4479 states and 7775 transitions. [2024-11-28 03:10:27,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand 4479 states and 7775 transitions. [2024-11-28 03:10:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:10:27,596 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:27,597 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:27,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:10:27,597 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:27,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:27,598 INFO L85 PathProgramCache]: Analyzing trace with hash 104187538, now seen corresponding path program 1 times [2024-11-28 03:10:27,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:27,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032659186] [2024-11-28 03:10:27,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:27,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:27,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:27,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032659186] [2024-11-28 03:10:27,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032659186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:27,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:27,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:10:27,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894469536] [2024-11-28 03:10:27,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:27,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:27,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:27,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:27,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:27,680 INFO L87 Difference]: Start difference. First operand 4479 states and 7775 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:27,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:27,961 INFO L93 Difference]: Finished difference Result 10908 states and 19056 transitions. [2024-11-28 03:10:27,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:27,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2024-11-28 03:10:27,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:28,019 INFO L225 Difference]: With dead ends: 10908 [2024-11-28 03:10:28,021 INFO L226 Difference]: Without dead ends: 7165 [2024-11-28 03:10:28,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:28,040 INFO L435 NwaCegarLoop]: 572 mSDtfsCounter, 124 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:28,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:28,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7165 states. [2024-11-28 03:10:28,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7165 to 7157. [2024-11-28 03:10:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7157 states, 5883 states have (on average 1.6729559748427674) internal successors, (9842), 5891 states have internal predecessors, (9842), 1248 states have call successors, (1248), 21 states have call predecessors, (1248), 25 states have return successors, (1365), 1246 states have call predecessors, (1365), 1247 states have call successors, (1365) [2024-11-28 03:10:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7157 states to 7157 states and 12455 transitions. [2024-11-28 03:10:28,533 INFO L78 Accepts]: Start accepts. Automaton has 7157 states and 12455 transitions. Word has length 121 [2024-11-28 03:10:28,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:28,534 INFO L471 AbstractCegarLoop]: Abstraction has 7157 states and 12455 transitions. [2024-11-28 03:10:28,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 7157 states and 12455 transitions. [2024-11-28 03:10:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 03:10:28,561 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:28,561 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:28,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:10:28,561 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:28,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:28,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1981444207, now seen corresponding path program 1 times [2024-11-28 03:10:28,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:28,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548976234] [2024-11-28 03:10:28,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:28,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:28,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:28,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548976234] [2024-11-28 03:10:28,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548976234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:28,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:28,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:10:28,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323984932] [2024-11-28 03:10:28,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:28,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:28,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:28,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:28,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:28,637 INFO L87 Difference]: Start difference. First operand 7157 states and 12455 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:29,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:29,090 INFO L93 Difference]: Finished difference Result 18110 states and 31696 transitions. [2024-11-28 03:10:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:29,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-11-28 03:10:29,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:29,179 INFO L225 Difference]: With dead ends: 18110 [2024-11-28 03:10:29,179 INFO L226 Difference]: Without dead ends: 12050 [2024-11-28 03:10:29,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:29,205 INFO L435 NwaCegarLoop]: 568 mSDtfsCounter, 122 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:29,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1128 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:29,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12050 states. [2024-11-28 03:10:29,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12050 to 12042. [2024-11-28 03:10:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12042 states, 9946 states have (on average 1.6728332998190227) internal successors, (16638), 9954 states have internal predecessors, (16638), 2070 states have call successors, (2070), 21 states have call predecessors, (2070), 25 states have return successors, (2265), 2068 states have call predecessors, (2265), 2069 states have call successors, (2265) [2024-11-28 03:10:30,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12042 states to 12042 states and 20973 transitions. [2024-11-28 03:10:30,074 INFO L78 Accepts]: Start accepts. Automaton has 12042 states and 20973 transitions. Word has length 122 [2024-11-28 03:10:30,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:30,074 INFO L471 AbstractCegarLoop]: Abstraction has 12042 states and 20973 transitions. [2024-11-28 03:10:30,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:30,076 INFO L276 IsEmpty]: Start isEmpty. Operand 12042 states and 20973 transitions. [2024-11-28 03:10:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 03:10:30,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:30,116 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:30,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:10:30,116 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:30,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:30,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1604434340, now seen corresponding path program 1 times [2024-11-28 03:10:30,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:30,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828177003] [2024-11-28 03:10:30,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:30,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:30,207 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:30,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:30,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828177003] [2024-11-28 03:10:30,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828177003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:30,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:30,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:10:30,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571225781] [2024-11-28 03:10:30,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:30,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:30,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:30,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:30,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:30,210 INFO L87 Difference]: Start difference. First operand 12042 states and 20973 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:31,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:31,037 INFO L93 Difference]: Finished difference Result 28830 states and 50142 transitions. [2024-11-28 03:10:31,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:31,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2024-11-28 03:10:31,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:31,141 INFO L225 Difference]: With dead ends: 28830 [2024-11-28 03:10:31,141 INFO L226 Difference]: Without dead ends: 18837 [2024-11-28 03:10:31,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:31,182 INFO L435 NwaCegarLoop]: 568 mSDtfsCounter, 120 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:31,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1100 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:31,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18837 states. [2024-11-28 03:10:32,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18837 to 18829. [2024-11-28 03:10:32,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18829 states, 15530 states have (on average 1.6493238892466195) internal successors, (25614), 15538 states have internal predecessors, (25614), 3273 states have call successors, (3273), 21 states have call predecessors, (3273), 25 states have return successors, (3612), 3271 states have call predecessors, (3612), 3272 states have call successors, (3612) [2024-11-28 03:10:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18829 states to 18829 states and 32499 transitions. [2024-11-28 03:10:32,299 INFO L78 Accepts]: Start accepts. Automaton has 18829 states and 32499 transitions. Word has length 123 [2024-11-28 03:10:32,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:32,300 INFO L471 AbstractCegarLoop]: Abstraction has 18829 states and 32499 transitions. [2024-11-28 03:10:32,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 18829 states and 32499 transitions. [2024-11-28 03:10:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 03:10:32,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:32,344 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:32,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:10:32,345 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:32,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:32,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1218533362, now seen corresponding path program 1 times [2024-11-28 03:10:32,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:32,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859978186] [2024-11-28 03:10:32,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:32,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:32,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:32,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859978186] [2024-11-28 03:10:32,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859978186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:32,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:32,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:10:32,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846005538] [2024-11-28 03:10:32,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:32,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:32,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:32,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:32,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:32,440 INFO L87 Difference]: Start difference. First operand 18829 states and 32499 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:33,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:33,845 INFO L93 Difference]: Finished difference Result 49822 states and 86282 transitions. [2024-11-28 03:10:33,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:33,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2024-11-28 03:10:33,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:34,082 INFO L225 Difference]: With dead ends: 49822 [2024-11-28 03:10:34,082 INFO L226 Difference]: Without dead ends: 33655 [2024-11-28 03:10:34,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:34,165 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 118 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:34,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:34,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33655 states. [2024-11-28 03:10:36,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33655 to 33647. [2024-11-28 03:10:36,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33647 states, 27898 states have (on average 1.645781059574163) internal successors, (45914), 27906 states have internal predecessors, (45914), 5723 states have call successors, (5723), 21 states have call predecessors, (5723), 25 states have return successors, (6336), 5721 states have call predecessors, (6336), 5722 states have call successors, (6336) [2024-11-28 03:10:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33647 states to 33647 states and 57973 transitions. [2024-11-28 03:10:36,405 INFO L78 Accepts]: Start accepts. Automaton has 33647 states and 57973 transitions. Word has length 124 [2024-11-28 03:10:36,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:36,406 INFO L471 AbstractCegarLoop]: Abstraction has 33647 states and 57973 transitions. [2024-11-28 03:10:36,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 33647 states and 57973 transitions. [2024-11-28 03:10:36,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 03:10:36,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:36,453 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:36,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:10:36,454 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:36,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:36,455 INFO L85 PathProgramCache]: Analyzing trace with hash -103871990, now seen corresponding path program 1 times [2024-11-28 03:10:36,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:36,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936320228] [2024-11-28 03:10:36,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:36,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:36,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:36,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936320228] [2024-11-28 03:10:36,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936320228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:36,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:36,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:10:36,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548240199] [2024-11-28 03:10:36,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:36,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:36,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:36,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:36,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:36,547 INFO L87 Difference]: Start difference. First operand 33647 states and 57973 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:38,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:38,454 INFO L93 Difference]: Finished difference Result 91859 states and 158709 transitions. [2024-11-28 03:10:38,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:38,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2024-11-28 03:10:38,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:38,782 INFO L225 Difference]: With dead ends: 91859 [2024-11-28 03:10:38,782 INFO L226 Difference]: Without dead ends: 61753 [2024-11-28 03:10:38,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:38,876 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 116 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:38,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:38,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61753 states. [2024-11-28 03:10:42,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61753 to 61745. [2024-11-28 03:10:42,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61745 states, 51483 states have (on average 1.6412407979332984) internal successors, (84496), 51491 states have internal predecessors, (84496), 10236 states have call successors, (10236), 21 states have call predecessors, (10236), 25 states have return successors, (11381), 10234 states have call predecessors, (11381), 10235 states have call successors, (11381) [2024-11-28 03:10:43,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61745 states to 61745 states and 106113 transitions. [2024-11-28 03:10:43,325 INFO L78 Accepts]: Start accepts. Automaton has 61745 states and 106113 transitions. Word has length 125 [2024-11-28 03:10:43,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:43,325 INFO L471 AbstractCegarLoop]: Abstraction has 61745 states and 106113 transitions. [2024-11-28 03:10:43,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 61745 states and 106113 transitions. [2024-11-28 03:10:43,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-28 03:10:43,368 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:43,369 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:43,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:10:43,369 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:43,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:43,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1978198738, now seen corresponding path program 1 times [2024-11-28 03:10:43,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:43,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300855576] [2024-11-28 03:10:43,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:43,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:43,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:43,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300855576] [2024-11-28 03:10:43,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300855576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:43,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:43,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:10:43,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241307508] [2024-11-28 03:10:43,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:43,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:10:43,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:43,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:10:43,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:43,470 INFO L87 Difference]: Start difference. First operand 61745 states and 106113 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:46,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:46,463 INFO L93 Difference]: Finished difference Result 115716 states and 199255 transitions. [2024-11-28 03:10:46,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:10:46,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2024-11-28 03:10:46,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:47,245 INFO L225 Difference]: With dead ends: 115716 [2024-11-28 03:10:47,245 INFO L226 Difference]: Without dead ends: 115538 [2024-11-28 03:10:47,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:10:47,288 INFO L435 NwaCegarLoop]: 568 mSDtfsCounter, 111 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:47,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1132 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:47,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115538 states. [2024-11-28 03:10:51,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115538 to 115530. [2024-11-28 03:10:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115530 states, 96900 states have (on average 1.6356965944272446) internal successors, (158499), 96908 states have internal predecessors, (158499), 18604 states have call successors, (18604), 21 states have call predecessors, (18604), 25 states have return successors, (20795), 18602 states have call predecessors, (20795), 18603 states have call successors, (20795) [2024-11-28 03:10:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115530 states to 115530 states and 197898 transitions. [2024-11-28 03:10:52,124 INFO L78 Accepts]: Start accepts. Automaton has 115530 states and 197898 transitions. Word has length 126 [2024-11-28 03:10:52,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:52,125 INFO L471 AbstractCegarLoop]: Abstraction has 115530 states and 197898 transitions. [2024-11-28 03:10:52,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:10:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 115530 states and 197898 transitions. [2024-11-28 03:10:52,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-28 03:10:52,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:52,172 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:10:52,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:10:52,172 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:52,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:52,173 INFO L85 PathProgramCache]: Analyzing trace with hash 749475307, now seen corresponding path program 1 times [2024-11-28 03:10:52,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:52,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618850723] [2024-11-28 03:10:52,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:52,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:10:52,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:52,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618850723] [2024-11-28 03:10:52,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618850723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:52,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:52,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 03:10:52,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678875370] [2024-11-28 03:10:52,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:52,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:10:52,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:52,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:10:52,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:10:52,624 INFO L87 Difference]: Start difference. First operand 115530 states and 197898 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-28 03:11:00,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:00,460 INFO L93 Difference]: Finished difference Result 230202 states and 399794 transitions. [2024-11-28 03:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 03:11:00,461 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 127 [2024-11-28 03:11:00,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:02,045 INFO L225 Difference]: With dead ends: 230202 [2024-11-28 03:11:02,046 INFO L226 Difference]: Without dead ends: 230030 [2024-11-28 03:11:02,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2024-11-28 03:11:02,137 INFO L435 NwaCegarLoop]: 689 mSDtfsCounter, 1452 mSDsluCounter, 5813 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 6502 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:02,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 6502 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 03:11:02,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230030 states.