./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product35.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_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/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_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/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_c7982ccb-17f1-4bf6-90f0-e913742e19b9/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 66ba4360d8cd17925c78e04f17940e3bee0e828bd2ae8cc06c9e6a2549687bf9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:45:48,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:45:48,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:45:48,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:45:48,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:45:48,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:45:48,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:45:48,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:45:48,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:45:48,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:45:48,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:45:48,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:45:48,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:45:48,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:45:48,461 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:45:48,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:45:48,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:45:48,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:45:48,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:45:48,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:45:48,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:45:48,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:45:48,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:45:48,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:45:48,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:45:48,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:45:48,465 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:45:48,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:45:48,465 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:45:48,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:45:48,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:45:48,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:45:48,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:45:48,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:45:48,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:45:48,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:45:48,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:45:48,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:45:48,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:45:48,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:45:48,466 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:45:48,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:45:48,468 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:45:48,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:45:48,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:45:48,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:45:48,469 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:45:48,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:45:48,470 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_c7982ccb-17f1-4bf6-90f0-e913742e19b9/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 -> 66ba4360d8cd17925c78e04f17940e3bee0e828bd2ae8cc06c9e6a2549687bf9 [2024-11-28 03:45:48,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:45:48,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:45:48,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:45:48,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:45:48,888 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:45:48,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/email_spec27_product35.cil.c [2024-11-28 03:45:52,217 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/data/2059840d8/ed7860cf12714d22b0245448dc2df9eb/FLAG8294ea837 [2024-11-28 03:45:52,619 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:45:52,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/sv-benchmarks/c/product-lines/email_spec27_product35.cil.c [2024-11-28 03:45:52,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/data/2059840d8/ed7860cf12714d22b0245448dc2df9eb/FLAG8294ea837 [2024-11-28 03:45:52,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/data/2059840d8/ed7860cf12714d22b0245448dc2df9eb [2024-11-28 03:45:52,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:45:52,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:45:52,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:45:52,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:45:52,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:45:52,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:45:52" (1/1) ... [2024-11-28 03:45:52,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120182b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:52, skipping insertion in model container [2024-11-28 03:45:52,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:45:52" (1/1) ... [2024-11-28 03:45:52,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:45:53,187 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_c7982ccb-17f1-4bf6-90f0-e913742e19b9/sv-benchmarks/c/product-lines/email_spec27_product35.cil.c[40704,40717] [2024-11-28 03:45:53,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:45:53,394 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:45:53,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-28 03:45:53,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [208] [2024-11-28 03:45:53,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [225] [2024-11-28 03:45:53,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1305] [2024-11-28 03:45:53,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1671] [2024-11-28 03:45:53,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1680] [2024-11-28 03:45:53,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1718] [2024-11-28 03:45:53,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2120] [2024-11-28 03:45:53,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2560] [2024-11-28 03:45:53,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2591] [2024-11-28 03:45:53,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2901] [2024-11-28 03:45:53,479 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_c7982ccb-17f1-4bf6-90f0-e913742e19b9/sv-benchmarks/c/product-lines/email_spec27_product35.cil.c[40704,40717] [2024-11-28 03:45:53,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:45:53,594 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:45:53,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53 WrapperNode [2024-11-28 03:45:53,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:45:53,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:45:53,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:45:53,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:45:53,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,721 INFO L138 Inliner]: procedures = 137, calls = 228, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1144 [2024-11-28 03:45:53,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:45:53,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:45:53,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:45:53,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:45:53,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,737 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,768 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 03:45:53,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,794 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:45:53,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:45:53,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:45:53,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:45:53,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (1/1) ... [2024-11-28 03:45:53,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:45:53,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:45:53,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:45:53,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:45:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-28 03:45:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-28 03:45:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-28 03:45:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-28 03:45:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-28 03:45:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-28 03:45:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-28 03:45:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-28 03:45:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-28 03:45:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-28 03:45:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-28 03:45:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-28 03:45:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-28 03:45:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-28 03:45:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-28 03:45:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-28 03:45:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-28 03:45:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-28 03:45:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-28 03:45:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-28 03:45:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-28 03:45:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-28 03:45:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-28 03:45:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-28 03:45:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-28 03:45:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-28 03:45:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-28 03:45:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-28 03:45:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-28 03:45:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-28 03:45:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-28 03:45:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-28 03:45:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:45:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-28 03:45:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-28 03:45:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-28 03:45:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-28 03:45:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-28 03:45:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-28 03:45:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-28 03:45:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-28 03:45:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-28 03:45:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-28 03:45:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-28 03:45:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-28 03:45:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-28 03:45:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-28 03:45:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-28 03:45:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-28 03:45:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-28 03:45:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-28 03:45:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-28 03:45:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-28 03:45:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-28 03:45:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-28 03:45:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-28 03:45:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-28 03:45:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:45:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:45:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:45:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:45:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-28 03:45:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-28 03:45:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-28 03:45:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-28 03:45:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:45:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:45:54,190 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:45:54,193 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:45:55,943 INFO L? ?]: Removed 606 outVars from TransFormulas that were not future-live. [2024-11-28 03:45:55,943 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:45:55,984 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:45:55,984 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:45:55,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:45:55 BoogieIcfgContainer [2024-11-28 03:45:55,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:45:55,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:45:55,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:45:56,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:45:56,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:45:52" (1/3) ... [2024-11-28 03:45:56,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42295e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:45:56, skipping insertion in model container [2024-11-28 03:45:56,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:53" (2/3) ... [2024-11-28 03:45:56,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42295e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:45:56, skipping insertion in model container [2024-11-28 03:45:56,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:45:55" (3/3) ... [2024-11-28 03:45:56,003 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec27_product35.cil.c [2024-11-28 03:45:56,019 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:45:56,021 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec27_product35.cil.c that has 31 procedures, 471 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:45:56,138 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:45:56,157 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;@2218082a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:45:56,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:45:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 471 states, 362 states have (on average 1.5331491712707181) internal successors, (555), 367 states have internal predecessors, (555), 77 states have call successors, (77), 30 states have call predecessors, (77), 30 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-28 03:45:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 03:45:56,208 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:45:56,209 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:45:56,210 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:45:56,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:56,216 INFO L85 PathProgramCache]: Analyzing trace with hash 653158059, now seen corresponding path program 1 times [2024-11-28 03:45:56,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:45:56,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655989062] [2024-11-28 03:45:56,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:56,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-28 03:45:57,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:45:57,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655989062] [2024-11-28 03:45:57,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655989062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:45:57,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582468831] [2024-11-28 03:45:57,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:57,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:45:57,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:45:57,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:45:57,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:45:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:57,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:45:57,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:45:58,076 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-28 03:45:58,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:45:58,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582468831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:45:58,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:45:58,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 03:45:58,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590842608] [2024-11-28 03:45:58,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:45:58,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:45:58,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:45:58,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:45:58,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:45:58,127 INFO L87 Difference]: Start difference. First operand has 471 states, 362 states have (on average 1.5331491712707181) internal successors, (555), 367 states have internal predecessors, (555), 77 states have call successors, (77), 30 states have call predecessors, (77), 30 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:45:58,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:45:58,311 INFO L93 Difference]: Finished difference Result 747 states and 1106 transitions. [2024-11-28 03:45:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:45:58,314 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 151 [2024-11-28 03:45:58,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:45:58,342 INFO L225 Difference]: With dead ends: 747 [2024-11-28 03:45:58,342 INFO L226 Difference]: Without dead ends: 466 [2024-11-28 03:45:58,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 151 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 03:45:58,359 INFO L435 NwaCegarLoop]: 703 mSDtfsCounter, 1 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:45:58,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1403 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:45:58,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-28 03:45:58,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 465. [2024-11-28 03:45:58,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 357 states have (on average 1.526610644257703) internal successors, (545), 361 states have internal predecessors, (545), 77 states have call successors, (77), 30 states have call predecessors, (77), 30 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-28 03:45:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 698 transitions. [2024-11-28 03:45:58,499 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 698 transitions. Word has length 151 [2024-11-28 03:45:58,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:45:58,500 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 698 transitions. [2024-11-28 03:45:58,501 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:45:58,501 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 698 transitions. [2024-11-28 03:45:58,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-28 03:45:58,515 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:45:58,516 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:45:58,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:45:58,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:45:58,721 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:45:58,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:58,722 INFO L85 PathProgramCache]: Analyzing trace with hash -722745845, now seen corresponding path program 1 times [2024-11-28 03:45:58,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:45:58,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61016985] [2024-11-28 03:45:58,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:58,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:45:59,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:45:59,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61016985] [2024-11-28 03:45:59,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61016985] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:45:59,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321092765] [2024-11-28 03:45:59,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:59,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:45:59,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:45:59,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:45:59,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:46:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:00,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 1375 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:46:00,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:46:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-28 03:46:00,070 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:46:00,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321092765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:00,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:46:00,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 03:46:00,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747406298] [2024-11-28 03:46:00,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:00,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:00,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:00,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:00,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:46:00,077 INFO L87 Difference]: Start difference. First operand 465 states and 698 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:00,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:00,176 INFO L93 Difference]: Finished difference Result 983 states and 1496 transitions. [2024-11-28 03:46:00,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:00,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 178 [2024-11-28 03:46:00,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:00,182 INFO L225 Difference]: With dead ends: 983 [2024-11-28 03:46:00,186 INFO L226 Difference]: Without dead ends: 544 [2024-11-28 03:46:00,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 178 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 03:46:00,192 INFO L435 NwaCegarLoop]: 710 mSDtfsCounter, 142 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1362 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 03:46:00,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1362 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:00,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-28 03:46:00,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 536. [2024-11-28 03:46:00,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 414 states have (on average 1.5483091787439613) internal successors, (641), 418 states have internal predecessors, (641), 91 states have call successors, (91), 30 states have call predecessors, (91), 30 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-28 03:46:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 822 transitions. [2024-11-28 03:46:00,272 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 822 transitions. Word has length 178 [2024-11-28 03:46:00,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:00,274 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 822 transitions. [2024-11-28 03:46:00,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:00,276 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 822 transitions. [2024-11-28 03:46:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-28 03:46:00,282 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:00,282 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:46:00,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:46:00,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:46:00,483 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:00,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:00,484 INFO L85 PathProgramCache]: Analyzing trace with hash -666389689, now seen corresponding path program 1 times [2024-11-28 03:46:00,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:00,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914134031] [2024-11-28 03:46:00,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:00,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:00,925 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:46:00,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:00,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914134031] [2024-11-28 03:46:00,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914134031] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:46:00,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896975850] [2024-11-28 03:46:00,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:00,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:46:00,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:46:00,931 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:46:00,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:46:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:01,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:46:01,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:46:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-28 03:46:01,689 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:46:01,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896975850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:01,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:46:01,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-28 03:46:01,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733988260] [2024-11-28 03:46:01,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:01,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:46:01,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:01,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:46:01,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:46:01,694 INFO L87 Difference]: Start difference. First operand 536 states and 822 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-28 03:46:01,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:01,850 INFO L93 Difference]: Finished difference Result 1063 states and 1634 transitions. [2024-11-28 03:46:01,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:46:01,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 179 [2024-11-28 03:46:01,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:01,859 INFO L225 Difference]: With dead ends: 1063 [2024-11-28 03:46:01,859 INFO L226 Difference]: Without dead ends: 538 [2024-11-28 03:46:01,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 177 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 03:46:01,866 INFO L435 NwaCegarLoop]: 689 mSDtfsCounter, 2 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2745 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 03:46:01,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2745 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:01,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-28 03:46:01,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2024-11-28 03:46:01,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 415 states have (on average 1.546987951807229) internal successors, (642), 420 states have internal predecessors, (642), 91 states have call successors, (91), 30 states have call predecessors, (91), 31 states have return successors, (92), 89 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-28 03:46:01,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 825 transitions. [2024-11-28 03:46:01,905 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 825 transitions. Word has length 179 [2024-11-28 03:46:01,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:01,905 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 825 transitions. [2024-11-28 03:46:01,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-28 03:46:01,907 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 825 transitions. [2024-11-28 03:46:01,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 03:46:01,914 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:01,915 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:46:01,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:46:02,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:46:02,115 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:02,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:02,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1606714522, now seen corresponding path program 1 times [2024-11-28 03:46:02,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:02,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222755135] [2024-11-28 03:46:02,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:02,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:46:02,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:02,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222755135] [2024-11-28 03:46:02,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222755135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:46:02,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424110953] [2024-11-28 03:46:02,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:02,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:46:02,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:46:02,473 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:46:02,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:46:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:03,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:46:03,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:46:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-28 03:46:03,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:46:03,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424110953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:03,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:46:03,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-28 03:46:03,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890017561] [2024-11-28 03:46:03,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:03,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:46:03,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:03,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:46:03,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:46:03,078 INFO L87 Difference]: Start difference. First operand 538 states and 825 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-28 03:46:03,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:03,199 INFO L93 Difference]: Finished difference Result 1065 states and 1639 transitions. [2024-11-28 03:46:03,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:46:03,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 161 [2024-11-28 03:46:03,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:03,206 INFO L225 Difference]: With dead ends: 1065 [2024-11-28 03:46:03,206 INFO L226 Difference]: Without dead ends: 540 [2024-11-28 03:46:03,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 159 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 03:46:03,210 INFO L435 NwaCegarLoop]: 687 mSDtfsCounter, 2 mSDsluCounter, 2044 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2731 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 03:46:03,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2731 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:46:03,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-11-28 03:46:03,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2024-11-28 03:46:03,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 416 states have (on average 1.5456730769230769) internal successors, (643), 422 states have internal predecessors, (643), 91 states have call successors, (91), 30 states have call predecessors, (91), 32 states have return successors, (97), 89 states have call predecessors, (97), 90 states have call successors, (97) [2024-11-28 03:46:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 831 transitions. [2024-11-28 03:46:03,253 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 831 transitions. Word has length 161 [2024-11-28 03:46:03,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:03,254 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 831 transitions. [2024-11-28 03:46:03,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-28 03:46:03,254 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 831 transitions. [2024-11-28 03:46:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-28 03:46:03,260 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:03,260 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:46:03,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:46:03,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:46:03,464 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:03,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:03,464 INFO L85 PathProgramCache]: Analyzing trace with hash 509699381, now seen corresponding path program 1 times [2024-11-28 03:46:03,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:03,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774086808] [2024-11-28 03:46:03,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:03,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:46:03,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:03,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774086808] [2024-11-28 03:46:03,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774086808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:03,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:03,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:46:03,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249527662] [2024-11-28 03:46:03,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:03,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:46:03,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:03,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:46:03,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:46:03,779 INFO L87 Difference]: Start difference. First operand 540 states and 831 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-28 03:46:03,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:03,853 INFO L93 Difference]: Finished difference Result 1057 states and 1630 transitions. [2024-11-28 03:46:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:46:03,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2024-11-28 03:46:03,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:03,863 INFO L225 Difference]: With dead ends: 1057 [2024-11-28 03:46:03,863 INFO L226 Difference]: Without dead ends: 540 [2024-11-28 03:46:03,866 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 03:46:03,867 INFO L435 NwaCegarLoop]: 690 mSDtfsCounter, 2 mSDsluCounter, 2059 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2749 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 03:46:03,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2749 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:03,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-11-28 03:46:03,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2024-11-28 03:46:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 416 states have (on average 1.5456730769230769) internal successors, (643), 422 states have internal predecessors, (643), 91 states have call successors, (91), 30 states have call predecessors, (91), 32 states have return successors, (96), 89 states have call predecessors, (96), 90 states have call successors, (96) [2024-11-28 03:46:03,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 830 transitions. [2024-11-28 03:46:03,917 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 830 transitions. Word has length 162 [2024-11-28 03:46:03,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:03,919 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 830 transitions. [2024-11-28 03:46:03,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-28 03:46:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 830 transitions. [2024-11-28 03:46:03,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-28 03:46:03,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:03,925 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:03,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:46:03,925 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:03,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:03,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1325102878, now seen corresponding path program 1 times [2024-11-28 03:46:03,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:03,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942669861] [2024-11-28 03:46:03,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:03,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:46:04,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:04,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942669861] [2024-11-28 03:46:04,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942669861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:04,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:04,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:46:04,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868798967] [2024-11-28 03:46:04,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:04,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:46:04,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:04,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:46:04,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:46:04,246 INFO L87 Difference]: Start difference. First operand 540 states and 830 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-28 03:46:04,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:04,338 INFO L93 Difference]: Finished difference Result 1059 states and 1633 transitions. [2024-11-28 03:46:04,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:46:04,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 182 [2024-11-28 03:46:04,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:04,346 INFO L225 Difference]: With dead ends: 1059 [2024-11-28 03:46:04,346 INFO L226 Difference]: Without dead ends: 542 [2024-11-28 03:46:04,348 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 03:46:04,350 INFO L435 NwaCegarLoop]: 691 mSDtfsCounter, 1 mSDsluCounter, 2061 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2752 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 03:46:04,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2752 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:04,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-28 03:46:04,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2024-11-28 03:46:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 417 states have (on average 1.5443645083932853) internal successors, (644), 424 states have internal predecessors, (644), 91 states have call successors, (91), 30 states have call predecessors, (91), 33 states have return successors, (98), 89 states have call predecessors, (98), 90 states have call successors, (98) [2024-11-28 03:46:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 833 transitions. [2024-11-28 03:46:04,397 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 833 transitions. Word has length 182 [2024-11-28 03:46:04,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:04,397 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 833 transitions. [2024-11-28 03:46:04,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-28 03:46:04,398 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 833 transitions. [2024-11-28 03:46:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 03:46:04,403 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:04,403 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:46:04,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:46:04,404 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:04,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:04,405 INFO L85 PathProgramCache]: Analyzing trace with hash 243272208, now seen corresponding path program 1 times [2024-11-28 03:46:04,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:04,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980920352] [2024-11-28 03:46:04,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:04,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:04,836 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 03:46:04,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:04,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980920352] [2024-11-28 03:46:04,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980920352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:04,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:04,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:46:04,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276726745] [2024-11-28 03:46:04,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:04,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:46:04,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:04,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:46:04,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:46:04,842 INFO L87 Difference]: Start difference. First operand 542 states and 833 transitions. Second operand has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-28 03:46:05,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:05,120 INFO L93 Difference]: Finished difference Result 1061 states and 1632 transitions. [2024-11-28 03:46:05,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:46:05,121 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 164 [2024-11-28 03:46:05,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:05,130 INFO L225 Difference]: With dead ends: 1061 [2024-11-28 03:46:05,130 INFO L226 Difference]: Without dead ends: 544 [2024-11-28 03:46:05,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:46:05,135 INFO L435 NwaCegarLoop]: 681 mSDtfsCounter, 7 mSDsluCounter, 4057 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4738 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:46:05,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4738 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:46:05,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-28 03:46:05,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2024-11-28 03:46:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 419 states have (on average 1.541766109785203) internal successors, (646), 425 states have internal predecessors, (646), 91 states have call successors, (91), 31 states have call predecessors, (91), 33 states have return successors, (97), 89 states have call predecessors, (97), 90 states have call successors, (97) [2024-11-28 03:46:05,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 834 transitions. [2024-11-28 03:46:05,190 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 834 transitions. Word has length 164 [2024-11-28 03:46:05,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:05,192 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 834 transitions. [2024-11-28 03:46:05,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-28 03:46:05,192 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 834 transitions. [2024-11-28 03:46:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-28 03:46:05,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:05,198 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:05,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:46:05,199 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:05,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:05,200 INFO L85 PathProgramCache]: Analyzing trace with hash -407330272, now seen corresponding path program 1 times [2024-11-28 03:46:05,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:05,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119780150] [2024-11-28 03:46:05,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:05,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:05,555 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 03:46:05,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:05,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119780150] [2024-11-28 03:46:05,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119780150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:05,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:05,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:46:05,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267701805] [2024-11-28 03:46:05,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:05,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:46:05,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:05,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:46:05,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:46:05,557 INFO L87 Difference]: Start difference. First operand 544 states and 834 transitions. Second operand has 8 states, 7 states have (on average 16.0) internal successors, (112), 8 states have internal predecessors, (112), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-28 03:46:05,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:05,820 INFO L93 Difference]: Finished difference Result 1064 states and 1639 transitions. [2024-11-28 03:46:05,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:46:05,821 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.0) internal successors, (112), 8 states have internal predecessors, (112), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 184 [2024-11-28 03:46:05,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:05,827 INFO L225 Difference]: With dead ends: 1064 [2024-11-28 03:46:05,828 INFO L226 Difference]: Without dead ends: 547 [2024-11-28 03:46:05,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:46:05,831 INFO L435 NwaCegarLoop]: 683 mSDtfsCounter, 5 mSDsluCounter, 4069 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4752 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:46:05,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4752 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:46:05,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-11-28 03:46:05,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2024-11-28 03:46:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 421 states have (on average 1.5391923990498813) internal successors, (648), 428 states have internal predecessors, (648), 91 states have call successors, (91), 31 states have call predecessors, (91), 34 states have return successors, (102), 89 states have call predecessors, (102), 90 states have call successors, (102) [2024-11-28 03:46:05,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 841 transitions. [2024-11-28 03:46:05,874 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 841 transitions. Word has length 184 [2024-11-28 03:46:05,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:05,874 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 841 transitions. [2024-11-28 03:46:05,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.0) internal successors, (112), 8 states have internal predecessors, (112), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-28 03:46:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 841 transitions. [2024-11-28 03:46:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 03:46:05,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:05,881 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:46:05,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:46:05,881 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:05,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:05,882 INFO L85 PathProgramCache]: Analyzing trace with hash -23010293, now seen corresponding path program 1 times [2024-11-28 03:46:05,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:05,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37731811] [2024-11-28 03:46:05,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:05,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:46:06,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:06,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37731811] [2024-11-28 03:46:06,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37731811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:46:06,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712981101] [2024-11-28 03:46:06,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:06,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:46:06,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:46:06,299 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:46:06,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:46:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:06,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:46:06,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:46:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-28 03:46:06,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:46:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-28 03:46:07,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712981101] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:46:07,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:46:07,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2024-11-28 03:46:07,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414020513] [2024-11-28 03:46:07,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:46:07,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:46:07,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:07,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:46:07,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:46:07,009 INFO L87 Difference]: Start difference. First operand 547 states and 841 transitions. Second operand has 11 states, 10 states have (on average 16.3) internal successors, (163), 11 states have internal predecessors, (163), 4 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-28 03:46:08,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:08,382 INFO L93 Difference]: Finished difference Result 1526 states and 2449 transitions. [2024-11-28 03:46:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:46:08,383 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.3) internal successors, (163), 11 states have internal predecessors, (163), 4 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) Word has length 166 [2024-11-28 03:46:08,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:08,393 INFO L225 Difference]: With dead ends: 1526 [2024-11-28 03:46:08,393 INFO L226 Difference]: Without dead ends: 1010 [2024-11-28 03:46:08,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:46:08,399 INFO L435 NwaCegarLoop]: 688 mSDtfsCounter, 1622 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 5398 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:46:08,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 5398 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:46:08,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-11-28 03:46:08,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 986. [2024-11-28 03:46:08,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 781 states have (on average 1.6005121638924455) internal successors, (1250), 787 states have internal predecessors, (1250), 170 states have call successors, (170), 32 states have call predecessors, (170), 34 states have return successors, (191), 168 states have call predecessors, (191), 169 states have call successors, (191) [2024-11-28 03:46:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1611 transitions. [2024-11-28 03:46:08,488 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1611 transitions. Word has length 166 [2024-11-28 03:46:08,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:08,488 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1611 transitions. [2024-11-28 03:46:08,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.3) internal successors, (163), 11 states have internal predecessors, (163), 4 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-28 03:46:08,490 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1611 transitions. [2024-11-28 03:46:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-28 03:46:08,499 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:08,499 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:46:08,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:46:08,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7982ccb-17f1-4bf6-90f0-e913742e19b9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:46:08,701 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:08,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:08,701 INFO L85 PathProgramCache]: Analyzing trace with hash 993883812, now seen corresponding path program 1 times [2024-11-28 03:46:08,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:08,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377790820] [2024-11-28 03:46:08,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:08,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-28 03:46:08,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:08,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377790820] [2024-11-28 03:46:08,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377790820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:08,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:08,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:08,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071707748] [2024-11-28 03:46:08,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:08,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:08,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:08,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:08,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:08,826 INFO L87 Difference]: Start difference. First operand 986 states and 1611 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:46:08,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:08,951 INFO L93 Difference]: Finished difference Result 2307 states and 3835 transitions. [2024-11-28 03:46:08,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:08,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 170 [2024-11-28 03:46:08,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:08,962 INFO L225 Difference]: With dead ends: 2307 [2024-11-28 03:46:08,963 INFO L226 Difference]: Without dead ends: 1402 [2024-11-28 03:46:08,966 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 03:46:08,967 INFO L435 NwaCegarLoop]: 712 mSDtfsCounter, 139 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1398 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 03:46:08,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 1398 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:08,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-11-28 03:46:09,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1394. [2024-11-28 03:46:09,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1110 states have (on average 1.6243243243243244) internal successors, (1803), 1116 states have internal predecessors, (1803), 249 states have call successors, (249), 32 states have call predecessors, (249), 34 states have return successors, (280), 247 states have call predecessors, (280), 248 states have call successors, (280) [2024-11-28 03:46:09,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2332 transitions. [2024-11-28 03:46:09,072 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2332 transitions. Word has length 170 [2024-11-28 03:46:09,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:09,074 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 2332 transitions. [2024-11-28 03:46:09,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:46:09,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2332 transitions. [2024-11-28 03:46:09,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 03:46:09,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:09,085 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:09,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:46:09,085 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:09,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:09,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1151264603, now seen corresponding path program 1 times [2024-11-28 03:46:09,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:09,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385125915] [2024-11-28 03:46:09,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:09,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-28 03:46:09,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:09,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385125915] [2024-11-28 03:46:09,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385125915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:09,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:09,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:09,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608994764] [2024-11-28 03:46:09,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:09,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:09,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:09,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:09,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:09,185 INFO L87 Difference]: Start difference. First operand 1394 states and 2332 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:46:09,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:09,307 INFO L93 Difference]: Finished difference Result 3329 states and 5615 transitions. [2024-11-28 03:46:09,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:09,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 171 [2024-11-28 03:46:09,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:09,323 INFO L225 Difference]: With dead ends: 3329 [2024-11-28 03:46:09,323 INFO L226 Difference]: Without dead ends: 2067 [2024-11-28 03:46:09,329 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 03:46:09,329 INFO L435 NwaCegarLoop]: 702 mSDtfsCounter, 137 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1392 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 03:46:09,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1392 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:09,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2024-11-28 03:46:09,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 2059. [2024-11-28 03:46:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 1656 states have (on average 1.6382850241545894) internal successors, (2713), 1662 states have internal predecessors, (2713), 368 states have call successors, (368), 32 states have call predecessors, (368), 34 states have return successors, (399), 366 states have call predecessors, (399), 367 states have call successors, (399) [2024-11-28 03:46:09,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 3480 transitions. [2024-11-28 03:46:09,482 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 3480 transitions. Word has length 171 [2024-11-28 03:46:09,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:09,483 INFO L471 AbstractCegarLoop]: Abstraction has 2059 states and 3480 transitions. [2024-11-28 03:46:09,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:46:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 3480 transitions. [2024-11-28 03:46:09,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 03:46:09,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:09,499 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:09,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:46:09,499 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:09,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:09,500 INFO L85 PathProgramCache]: Analyzing trace with hash -189322350, now seen corresponding path program 1 times [2024-11-28 03:46:09,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:09,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276779619] [2024-11-28 03:46:09,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:09,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-28 03:46:09,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:09,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276779619] [2024-11-28 03:46:09,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276779619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:09,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:09,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:09,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290119425] [2024-11-28 03:46:09,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:09,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:09,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:09,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:09,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:09,603 INFO L87 Difference]: Start difference. First operand 2059 states and 3480 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:46:09,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:09,769 INFO L93 Difference]: Finished difference Result 4886 states and 8332 transitions. [2024-11-28 03:46:09,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:09,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 172 [2024-11-28 03:46:09,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:09,833 INFO L225 Difference]: With dead ends: 4886 [2024-11-28 03:46:09,833 INFO L226 Difference]: Without dead ends: 3090 [2024-11-28 03:46:09,840 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 03:46:09,841 INFO L435 NwaCegarLoop]: 695 mSDtfsCounter, 135 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1381 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 03:46:09,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1381 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:09,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2024-11-28 03:46:10,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 3082. [2024-11-28 03:46:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3082 states, 2517 states have (on average 1.6491855383392928) internal successors, (4151), 2523 states have internal predecessors, (4151), 530 states have call successors, (530), 32 states have call predecessors, (530), 34 states have return successors, (577), 528 states have call predecessors, (577), 529 states have call successors, (577) [2024-11-28 03:46:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 3082 states and 5258 transitions. [2024-11-28 03:46:10,064 INFO L78 Accepts]: Start accepts. Automaton has 3082 states and 5258 transitions. Word has length 172 [2024-11-28 03:46:10,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:10,065 INFO L471 AbstractCegarLoop]: Abstraction has 3082 states and 5258 transitions. [2024-11-28 03:46:10,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:46:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 5258 transitions. [2024-11-28 03:46:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 03:46:10,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:10,091 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:10,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:46:10,091 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:10,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:10,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1974344477, now seen corresponding path program 1 times [2024-11-28 03:46:10,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:10,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674446736] [2024-11-28 03:46:10,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:10,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:46:10,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:10,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674446736] [2024-11-28 03:46:10,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674446736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:10,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:10,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:10,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124225480] [2024-11-28 03:46:10,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:10,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:10,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:10,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:10,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:10,204 INFO L87 Difference]: Start difference. First operand 3082 states and 5258 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:10,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:10,418 INFO L93 Difference]: Finished difference Result 7354 states and 12644 transitions. [2024-11-28 03:46:10,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:10,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2024-11-28 03:46:10,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:10,449 INFO L225 Difference]: With dead ends: 7354 [2024-11-28 03:46:10,450 INFO L226 Difference]: Without dead ends: 4747 [2024-11-28 03:46:10,461 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 03:46:10,462 INFO L435 NwaCegarLoop]: 695 mSDtfsCounter, 133 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1381 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 03:46:10,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1381 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:10,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4747 states. [2024-11-28 03:46:10,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4747 to 4739. [2024-11-28 03:46:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4739 states, 3929 states have (on average 1.6569101552557903) internal successors, (6510), 3935 states have internal predecessors, (6510), 775 states have call successors, (775), 32 states have call predecessors, (775), 34 states have return successors, (848), 773 states have call predecessors, (848), 774 states have call successors, (848) [2024-11-28 03:46:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4739 states to 4739 states and 8133 transitions. [2024-11-28 03:46:10,865 INFO L78 Accepts]: Start accepts. Automaton has 4739 states and 8133 transitions. Word has length 192 [2024-11-28 03:46:10,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:10,865 INFO L471 AbstractCegarLoop]: Abstraction has 4739 states and 8133 transitions. [2024-11-28 03:46:10,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 4739 states and 8133 transitions. [2024-11-28 03:46:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-28 03:46:10,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:10,907 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:10,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:46:10,907 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:10,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:10,912 INFO L85 PathProgramCache]: Analyzing trace with hash -977735915, now seen corresponding path program 1 times [2024-11-28 03:46:10,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:10,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434219344] [2024-11-28 03:46:10,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:10,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:46:11,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:11,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434219344] [2024-11-28 03:46:11,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434219344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:11,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:11,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:11,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879031671] [2024-11-28 03:46:11,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:11,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:11,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:11,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:11,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:11,015 INFO L87 Difference]: Start difference. First operand 4739 states and 8133 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:11,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:11,410 INFO L93 Difference]: Finished difference Result 11478 states and 19844 transitions. [2024-11-28 03:46:11,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:11,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 193 [2024-11-28 03:46:11,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:11,476 INFO L225 Difference]: With dead ends: 11478 [2024-11-28 03:46:11,480 INFO L226 Difference]: Without dead ends: 7535 [2024-11-28 03:46:11,498 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 03:46:11,499 INFO L435 NwaCegarLoop]: 709 mSDtfsCounter, 131 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1394 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 03:46:11,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1394 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:11,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7535 states. [2024-11-28 03:46:11,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7535 to 7527. [2024-11-28 03:46:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7527 states, 6224 states have (on average 1.657133676092545) internal successors, (10314), 6230 states have internal predecessors, (10314), 1268 states have call successors, (1268), 32 states have call predecessors, (1268), 34 states have return successors, (1385), 1266 states have call predecessors, (1385), 1267 states have call successors, (1385) [2024-11-28 03:46:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7527 states to 7527 states and 12967 transitions. [2024-11-28 03:46:12,062 INFO L78 Accepts]: Start accepts. Automaton has 7527 states and 12967 transitions. Word has length 193 [2024-11-28 03:46:12,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:12,063 INFO L471 AbstractCegarLoop]: Abstraction has 7527 states and 12967 transitions. [2024-11-28 03:46:12,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:12,064 INFO L276 IsEmpty]: Start isEmpty. Operand 7527 states and 12967 transitions. [2024-11-28 03:46:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-28 03:46:12,107 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:12,108 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:12,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:46:12,108 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:12,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:12,108 INFO L85 PathProgramCache]: Analyzing trace with hash 103807545, now seen corresponding path program 1 times [2024-11-28 03:46:12,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:12,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414721347] [2024-11-28 03:46:12,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:12,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:46:12,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:12,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414721347] [2024-11-28 03:46:12,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414721347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:12,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:12,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:12,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458523276] [2024-11-28 03:46:12,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:12,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:12,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:12,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:12,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:12,201 INFO L87 Difference]: Start difference. First operand 7527 states and 12967 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:12,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:12,710 INFO L93 Difference]: Finished difference Result 18960 states and 32876 transitions. [2024-11-28 03:46:12,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:12,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2024-11-28 03:46:12,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:12,807 INFO L225 Difference]: With dead ends: 18960 [2024-11-28 03:46:12,807 INFO L226 Difference]: Without dead ends: 12615 [2024-11-28 03:46:12,839 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 03:46:12,842 INFO L435 NwaCegarLoop]: 697 mSDtfsCounter, 129 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1386 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 03:46:12,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1386 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:12,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12615 states. [2024-11-28 03:46:13,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12615 to 12607. [2024-11-28 03:46:13,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12607 states, 10482 states have (on average 1.6583667239076512) internal successors, (17383), 10488 states have internal predecessors, (17383), 2090 states have call successors, (2090), 32 states have call predecessors, (2090), 34 states have return successors, (2285), 2088 states have call predecessors, (2285), 2089 states have call successors, (2285) [2024-11-28 03:46:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12607 states to 12607 states and 21758 transitions. [2024-11-28 03:46:13,754 INFO L78 Accepts]: Start accepts. Automaton has 12607 states and 21758 transitions. Word has length 194 [2024-11-28 03:46:13,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:13,754 INFO L471 AbstractCegarLoop]: Abstraction has 12607 states and 21758 transitions. [2024-11-28 03:46:13,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 12607 states and 21758 transitions. [2024-11-28 03:46:13,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-28 03:46:13,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:13,833 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:13,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:46:13,834 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:13,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:13,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1893656839, now seen corresponding path program 1 times [2024-11-28 03:46:13,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:13,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644542503] [2024-11-28 03:46:13,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:13,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:14,056 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:46:14,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:14,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644542503] [2024-11-28 03:46:14,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644542503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:14,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:14,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:14,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702764255] [2024-11-28 03:46:14,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:14,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:14,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:14,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:14,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:14,060 INFO L87 Difference]: Start difference. First operand 12607 states and 21758 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:14,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:14,955 INFO L93 Difference]: Finished difference Result 30205 states and 52057 transitions. [2024-11-28 03:46:14,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:14,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 195 [2024-11-28 03:46:14,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:15,141 INFO L225 Difference]: With dead ends: 30205 [2024-11-28 03:46:15,141 INFO L226 Difference]: Without dead ends: 19762 [2024-11-28 03:46:15,200 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 03:46:15,201 INFO L435 NwaCegarLoop]: 702 mSDtfsCounter, 127 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1364 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 03:46:15,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1364 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:15,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19762 states. [2024-11-28 03:46:16,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19762 to 19754. [2024-11-28 03:46:16,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19754 states, 16426 states have (on average 1.6353951053208329) internal successors, (26863), 16432 states have internal predecessors, (26863), 3293 states have call successors, (3293), 32 states have call predecessors, (3293), 34 states have return successors, (3632), 3291 states have call predecessors, (3632), 3292 states have call successors, (3632) [2024-11-28 03:46:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19754 states to 19754 states and 33788 transitions. [2024-11-28 03:46:16,802 INFO L78 Accepts]: Start accepts. Automaton has 19754 states and 33788 transitions. Word has length 195 [2024-11-28 03:46:16,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:16,802 INFO L471 AbstractCegarLoop]: Abstraction has 19754 states and 33788 transitions. [2024-11-28 03:46:16,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:16,803 INFO L276 IsEmpty]: Start isEmpty. Operand 19754 states and 33788 transitions. [2024-11-28 03:46:16,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-28 03:46:16,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:16,903 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:16,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:46:16,903 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:16,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:16,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1934361096, now seen corresponding path program 1 times [2024-11-28 03:46:16,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:16,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552172359] [2024-11-28 03:46:16,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:16,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:17,022 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:46:17,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:17,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552172359] [2024-11-28 03:46:17,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552172359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:17,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:17,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:17,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275674927] [2024-11-28 03:46:17,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:17,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:17,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:17,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:17,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:17,026 INFO L87 Difference]: Start difference. First operand 19754 states and 33788 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:18,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:18,220 INFO L93 Difference]: Finished difference Result 52207 states and 89611 transitions. [2024-11-28 03:46:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:18,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2024-11-28 03:46:18,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:18,417 INFO L225 Difference]: With dead ends: 52207 [2024-11-28 03:46:18,417 INFO L226 Difference]: Without dead ends: 35265 [2024-11-28 03:46:18,482 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 03:46:18,482 INFO L435 NwaCegarLoop]: 695 mSDtfsCounter, 125 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1384 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 03:46:18,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1384 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:18,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35265 states. [2024-11-28 03:46:20,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35265 to 35257. [2024-11-28 03:46:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35257 states, 29479 states have (on average 1.6324162963465518) internal successors, (48122), 29485 states have internal predecessors, (48122), 5743 states have call successors, (5743), 32 states have call predecessors, (5743), 34 states have return successors, (6356), 5741 states have call predecessors, (6356), 5742 states have call successors, (6356) [2024-11-28 03:46:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35257 states to 35257 states and 60221 transitions. [2024-11-28 03:46:20,789 INFO L78 Accepts]: Start accepts. Automaton has 35257 states and 60221 transitions. Word has length 196 [2024-11-28 03:46:20,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:20,790 INFO L471 AbstractCegarLoop]: Abstraction has 35257 states and 60221 transitions. [2024-11-28 03:46:20,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:20,790 INFO L276 IsEmpty]: Start isEmpty. Operand 35257 states and 60221 transitions. [2024-11-28 03:46:20,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 03:46:20,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:20,924 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:20,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:46:20,925 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:20,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:20,925 INFO L85 PathProgramCache]: Analyzing trace with hash 973755469, now seen corresponding path program 1 times [2024-11-28 03:46:20,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:20,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91367529] [2024-11-28 03:46:20,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:20,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:46:21,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:21,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91367529] [2024-11-28 03:46:21,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91367529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:21,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:21,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:21,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020221097] [2024-11-28 03:46:21,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:21,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:21,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:21,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:21,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:21,060 INFO L87 Difference]: Start difference. First operand 35257 states and 60221 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:23,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:23,280 INFO L93 Difference]: Finished difference Result 96219 states and 164803 transitions. [2024-11-28 03:46:23,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:23,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 197 [2024-11-28 03:46:23,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:23,601 INFO L225 Difference]: With dead ends: 96219 [2024-11-28 03:46:23,601 INFO L226 Difference]: Without dead ends: 64693 [2024-11-28 03:46:23,681 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 03:46:23,682 INFO L435 NwaCegarLoop]: 697 mSDtfsCounter, 123 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1386 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 03:46:23,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1386 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:23,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64693 states. [2024-11-28 03:46:27,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64693 to 64685. [2024-11-28 03:46:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64685 states, 54394 states have (on average 1.6282310548957606) internal successors, (88566), 54400 states have internal predecessors, (88566), 10256 states have call successors, (10256), 32 states have call predecessors, (10256), 34 states have return successors, (11401), 10254 states have call predecessors, (11401), 10255 states have call successors, (11401) [2024-11-28 03:46:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64685 states to 64685 states and 110223 transitions. [2024-11-28 03:46:27,474 INFO L78 Accepts]: Start accepts. Automaton has 64685 states and 110223 transitions. Word has length 197 [2024-11-28 03:46:27,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:27,475 INFO L471 AbstractCegarLoop]: Abstraction has 64685 states and 110223 transitions. [2024-11-28 03:46:27,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:46:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 64685 states and 110223 transitions. [2024-11-28 03:46:27,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-28 03:46:27,639 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:27,639 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:27,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:46:27,640 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:27,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:27,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1945851157, now seen corresponding path program 1 times [2024-11-28 03:46:27,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:27,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724911765] [2024-11-28 03:46:27,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:27,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-28 03:46:27,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:27,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724911765] [2024-11-28 03:46:27,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724911765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:27,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:27,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:27,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158388893] [2024-11-28 03:46:27,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:27,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:27,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:27,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:27,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:27,736 INFO L87 Difference]: Start difference. First operand 64685 states and 110223 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:46:30,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:30,783 INFO L93 Difference]: Finished difference Result 121361 states and 207148 transitions. [2024-11-28 03:46:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:30,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 179 [2024-11-28 03:46:30,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:31,342 INFO L225 Difference]: With dead ends: 121361 [2024-11-28 03:46:31,343 INFO L226 Difference]: Without dead ends: 121093 [2024-11-28 03:46:31,394 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 03:46:31,394 INFO L435 NwaCegarLoop]: 697 mSDtfsCounter, 118 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1390 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 03:46:31,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1390 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:46:31,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121093 states. [2024-11-28 03:46:36,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121093 to 121085. [2024-11-28 03:46:36,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121085 states, 102426 states have (on average 1.6229277722453284) internal successors, (166230), 102432 states have internal predecessors, (166230), 18624 states have call successors, (18624), 32 states have call predecessors, (18624), 34 states have return successors, (20815), 18622 states have call predecessors, (20815), 18623 states have call successors, (20815) [2024-11-28 03:46:37,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121085 states to 121085 states and 205669 transitions. [2024-11-28 03:46:37,548 INFO L78 Accepts]: Start accepts. Automaton has 121085 states and 205669 transitions. Word has length 179 [2024-11-28 03:46:37,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:37,552 INFO L471 AbstractCegarLoop]: Abstraction has 121085 states and 205669 transitions. [2024-11-28 03:46:37,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:46:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 121085 states and 205669 transitions. [2024-11-28 03:46:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-28 03:46:37,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:37,886 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:37,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:46:37,887 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:37,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:37,888 INFO L85 PathProgramCache]: Analyzing trace with hash -711344114, now seen corresponding path program 1 times [2024-11-28 03:46:37,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:37,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135095625] [2024-11-28 03:46:37,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:37,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:38,158 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:46:38,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:38,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135095625] [2024-11-28 03:46:38,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135095625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:38,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:38,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:46:38,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801733260] [2024-11-28 03:46:38,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:38,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:46:38,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:38,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:46:38,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:46:38,162 INFO L87 Difference]: Start difference. First operand 121085 states and 205669 transitions. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-28 03:46:44,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:44,674 INFO L93 Difference]: Finished difference Result 232913 states and 397126 transitions. [2024-11-28 03:46:44,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:46:44,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 199 [2024-11-28 03:46:44,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:45,904 INFO L225 Difference]: With dead ends: 232913 [2024-11-28 03:46:45,904 INFO L226 Difference]: Without dead ends: 232653 [2024-11-28 03:46:45,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:46:45,977 INFO L435 NwaCegarLoop]: 753 mSDtfsCounter, 642 mSDsluCounter, 2756 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 3509 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:46:45,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 3509 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:46:46,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232653 states.