./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_productSimulator.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_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe4506e3d5e012e1662dc0aa7741c8e3f8f99dc7c5ccf1f202c2f95071bfbf64 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:39:51,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:39:52,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:39:52,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:39:52,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:39:52,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:39:52,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:39:52,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:39:52,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:39:52,084 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:39:52,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:39:52,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:39:52,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:39:52,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:39:52,085 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:39:52,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:39:52,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:39:52,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:39:52,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:39:52,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:39:52,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:39:52,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:39:52,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:39:52,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:39:52,086 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:39:52,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:39:52,086 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:39:52,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:39:52,086 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:39:52,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:39:52,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:39:52,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:39:52,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:39:52,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:39:52,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:39:52,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:39:52,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:39:52,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:39:52,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:39:52,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:39:52,087 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:39:52,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:39:52,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:39:52,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:39:52,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:39:52,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:39:52,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:39:52,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:39:52,088 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_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4506e3d5e012e1662dc0aa7741c8e3f8f99dc7c5ccf1f202c2f95071bfbf64 [2024-12-02 11:39:52,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:39:52,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:39:52,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:39:52,336 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:39:52,336 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:39:52,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2024-12-02 11:39:54,944 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/data/57ece173d/dbc15624261a484c86c484fba57f8981/FLAG12149211a [2024-12-02 11:39:55,237 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:39:55,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2024-12-02 11:39:55,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/data/57ece173d/dbc15624261a484c86c484fba57f8981/FLAG12149211a [2024-12-02 11:39:55,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/data/57ece173d/dbc15624261a484c86c484fba57f8981 [2024-12-02 11:39:55,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:39:55,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:39:55,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:39:55,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:39:55,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:39:55,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:39:55" (1/1) ... [2024-12-02 11:39:55,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9ec54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:55, skipping insertion in model container [2024-12-02 11:39:55,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:39:55" (1/1) ... [2024-12-02 11:39:55,562 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:39:55,769 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_9c5c1974-ed63-4a02-8eac-20ca90969282/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c[11237,11250] [2024-12-02 11:39:56,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:39:56,041 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:39:56,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-12-02 11:39:56,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [414] [2024-12-02 11:39:56,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [423] [2024-12-02 11:39:56,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [441] [2024-12-02 11:39:56,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [561] [2024-12-02 11:39:56,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1641] [2024-12-02 11:39:56,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [1918] [2024-12-02 11:39:56,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1952] [2024-12-02 11:39:56,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2362] [2024-12-02 11:39:56,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2922] [2024-12-02 11:39:56,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [3271] [2024-12-02 11:39:56,075 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_9c5c1974-ed63-4a02-8eac-20ca90969282/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c[11237,11250] [2024-12-02 11:39:56,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:39:56,174 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:39:56,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56 WrapperNode [2024-12-02 11:39:56,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:39:56,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:39:56,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:39:56,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:39:56,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,248 INFO L138 Inliner]: procedures = 151, calls = 264, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1308 [2024-12-02 11:39:56,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:39:56,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:39:56,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:39:56,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:39:56,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,298 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-12-02 11:39:56,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,317 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:39:56,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:39:56,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:39:56,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:39:56,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (1/1) ... [2024-12-02 11:39:56,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:39:56,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:39:56,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:39:56,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:39:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-12-02 11:39:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-12-02 11:39:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2024-12-02 11:39:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2024-12-02 11:39:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2024-12-02 11:39:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2024-12-02 11:39:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-12-02 11:39:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-12-02 11:39:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-12-02 11:39:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-12-02 11:39:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-12-02 11:39:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-12-02 11:39:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-12-02 11:39:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-12-02 11:39:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2024-12-02 11:39:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2024-12-02 11:39:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-12-02 11:39:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-12-02 11:39:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2024-12-02 11:39:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2024-12-02 11:39:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-12-02 11:39:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-12-02 11:39:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-12-02 11:39:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-12-02 11:39:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-12-02 11:39:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-12-02 11:39:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2024-12-02 11:39:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2024-12-02 11:39:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2024-12-02 11:39:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2024-12-02 11:39:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-12-02 11:39:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-12-02 11:39:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-12-02 11:39:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-12-02 11:39:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-12-02 11:39:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-12-02 11:39:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2024-12-02 11:39:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2024-12-02 11:39:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-12-02 11:39:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-12-02 11:39:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-12-02 11:39:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-12-02 11:39:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-12-02 11:39:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-12-02 11:39:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2024-12-02 11:39:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2024-12-02 11:39:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:39:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-12-02 11:39:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-12-02 11:39:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-12-02 11:39:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-12-02 11:39:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2024-12-02 11:39:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2024-12-02 11:39:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2024-12-02 11:39:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2024-12-02 11:39:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2024-12-02 11:39:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2024-12-02 11:39:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-12-02 11:39:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-12-02 11:39:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-12-02 11:39:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-12-02 11:39:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-12-02 11:39:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-12-02 11:39:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-12-02 11:39:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-12-02 11:39:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-12-02 11:39:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-12-02 11:39:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-12-02 11:39:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-12-02 11:39:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-12-02 11:39:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-12-02 11:39:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-12-02 11:39:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-12-02 11:39:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2024-12-02 11:39:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2024-12-02 11:39:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2024-12-02 11:39:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2024-12-02 11:39:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-12-02 11:39:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-12-02 11:39:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-12-02 11:39:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-12-02 11:39:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:39:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:39:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:39:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:39:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-12-02 11:39:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-12-02 11:39:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2024-12-02 11:39:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2024-12-02 11:39:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2024-12-02 11:39:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2024-12-02 11:39:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-12-02 11:39:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-12-02 11:39:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:39:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:39:56,604 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:39:56,606 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:39:57,698 INFO L? ?]: Removed 625 outVars from TransFormulas that were not future-live. [2024-12-02 11:39:57,698 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:39:57,719 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:39:57,719 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:39:57,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:39:57 BoogieIcfgContainer [2024-12-02 11:39:57,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:39:57,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:39:57,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:39:57,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:39:57,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:39:55" (1/3) ... [2024-12-02 11:39:57,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b92863d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:39:57, skipping insertion in model container [2024-12-02 11:39:57,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:39:56" (2/3) ... [2024-12-02 11:39:57,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b92863d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:39:57, skipping insertion in model container [2024-12-02 11:39:57,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:39:57" (3/3) ... [2024-12-02 11:39:57,742 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2024-12-02 11:39:57,752 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:39:57,754 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec27_productSimulator.cil.c that has 45 procedures, 607 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:39:57,812 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:39:57,822 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;@253c9205, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:39:57,822 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:39:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 607 states, 449 states have (on average 1.5144766146993318) internal successors, (680), 469 states have internal predecessors, (680), 112 states have call successors, (112), 44 states have call predecessors, (112), 44 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-12-02 11:39:57,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 11:39:57,847 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:39:57,848 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:39:57,848 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:39:57,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:39:57,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1365849949, now seen corresponding path program 1 times [2024-12-02 11:39:57,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:39:57,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818503545] [2024-12-02 11:39:57,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:39:57,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:39:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:39:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 11:39:58,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:39:58,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818503545] [2024-12-02 11:39:58,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818503545] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:39:58,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:39:58,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:39:58,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268760613] [2024-12-02 11:39:58,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:39:58,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:39:58,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:39:58,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:39:58,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:39:58,208 INFO L87 Difference]: Start difference. First operand has 607 states, 449 states have (on average 1.5144766146993318) internal successors, (680), 469 states have internal predecessors, (680), 112 states have call successors, (112), 44 states have call predecessors, (112), 44 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) Second operand has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 11:39:58,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:39:58,277 INFO L93 Difference]: Finished difference Result 946 states and 1396 transitions. [2024-12-02 11:39:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:39:58,279 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 158 [2024-12-02 11:39:58,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:39:58,293 INFO L225 Difference]: With dead ends: 946 [2024-12-02 11:39:58,293 INFO L226 Difference]: Without dead ends: 600 [2024-12-02 11:39:58,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:39:58,301 INFO L435 NwaCegarLoop]: 900 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:39:58,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:39:58,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-12-02 11:39:58,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2024-12-02 11:39:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 443 states have (on average 1.510158013544018) internal successors, (669), 462 states have internal predecessors, (669), 112 states have call successors, (112), 44 states have call predecessors, (112), 44 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2024-12-02 11:39:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 892 transitions. [2024-12-02 11:39:58,377 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 892 transitions. Word has length 158 [2024-12-02 11:39:58,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:39:58,378 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 892 transitions. [2024-12-02 11:39:58,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 11:39:58,379 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 892 transitions. [2024-12-02 11:39:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 11:39:58,385 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:39:58,385 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:39:58,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:39:58,385 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:39:58,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:39:58,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2021771293, now seen corresponding path program 1 times [2024-12-02 11:39:58,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:39:58,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556085990] [2024-12-02 11:39:58,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:39:58,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:39:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:39:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 11:39:58,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:39:58,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556085990] [2024-12-02 11:39:58,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556085990] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:39:58,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:39:58,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:39:58,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736702277] [2024-12-02 11:39:58,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:39:58,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:39:58,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:39:58,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:39:58,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:39:58,786 INFO L87 Difference]: Start difference. First operand 600 states and 892 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 11:39:58,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:39:58,882 INFO L93 Difference]: Finished difference Result 1164 states and 1728 transitions. [2024-12-02 11:39:58,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:39:58,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 158 [2024-12-02 11:39:58,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:39:58,889 INFO L225 Difference]: With dead ends: 1164 [2024-12-02 11:39:58,889 INFO L226 Difference]: Without dead ends: 600 [2024-12-02 11:39:58,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:39:58,892 INFO L435 NwaCegarLoop]: 890 mSDtfsCounter, 0 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:39:58,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3548 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:39:58,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-12-02 11:39:58,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2024-12-02 11:39:58,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 443 states have (on average 1.4943566591422122) internal successors, (662), 462 states have internal predecessors, (662), 112 states have call successors, (112), 44 states have call predecessors, (112), 44 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2024-12-02 11:39:58,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 885 transitions. [2024-12-02 11:39:58,931 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 885 transitions. Word has length 158 [2024-12-02 11:39:58,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:39:58,931 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 885 transitions. [2024-12-02 11:39:58,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 11:39:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 885 transitions. [2024-12-02 11:39:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 11:39:58,937 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:39:58,937 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:39:58,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:39:58,937 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:39:58,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:39:58,938 INFO L85 PathProgramCache]: Analyzing trace with hash -983170391, now seen corresponding path program 1 times [2024-12-02 11:39:58,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:39:58,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506207301] [2024-12-02 11:39:58,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:39:58,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:39:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:39:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 11:39:59,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:39:59,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506207301] [2024-12-02 11:39:59,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506207301] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:39:59,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:39:59,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:39:59,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477685305] [2024-12-02 11:39:59,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:39:59,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:39:59,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:39:59,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:39:59,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:39:59,165 INFO L87 Difference]: Start difference. First operand 600 states and 885 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 11:39:59,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:39:59,232 INFO L93 Difference]: Finished difference Result 1168 states and 1736 transitions. [2024-12-02 11:39:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:39:59,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 163 [2024-12-02 11:39:59,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:39:59,237 INFO L225 Difference]: With dead ends: 1168 [2024-12-02 11:39:59,237 INFO L226 Difference]: Without dead ends: 601 [2024-12-02 11:39:59,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:39:59,241 INFO L435 NwaCegarLoop]: 876 mSDtfsCounter, 847 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:39:59,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 900 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:39:59,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-12-02 11:39:59,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2024-12-02 11:39:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 445 states have (on average 1.4853932584269662) internal successors, (661), 462 states have internal predecessors, (661), 110 states have call successors, (110), 45 states have call predecessors, (110), 45 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-12-02 11:39:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 880 transitions. [2024-12-02 11:39:59,286 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 880 transitions. Word has length 163 [2024-12-02 11:39:59,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:39:59,287 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 880 transitions. [2024-12-02 11:39:59,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 11:39:59,287 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 880 transitions. [2024-12-02 11:39:59,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 11:39:59,292 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:39:59,292 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:39:59,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:39:59,293 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:39:59,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:39:59,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1302918377, now seen corresponding path program 1 times [2024-12-02 11:39:59,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:39:59,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681207542] [2024-12-02 11:39:59,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:39:59,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:39:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:39:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 11:39:59,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:39:59,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681207542] [2024-12-02 11:39:59,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681207542] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:39:59,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:39:59,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:39:59,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625886840] [2024-12-02 11:39:59,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:39:59,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:39:59,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:39:59,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:39:59,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:39:59,459 INFO L87 Difference]: Start difference. First operand 601 states and 880 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 11:39:59,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:39:59,584 INFO L93 Difference]: Finished difference Result 1715 states and 2547 transitions. [2024-12-02 11:39:59,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:39:59,584 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 184 [2024-12-02 11:39:59,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:39:59,593 INFO L225 Difference]: With dead ends: 1715 [2024-12-02 11:39:59,593 INFO L226 Difference]: Without dead ends: 1148 [2024-12-02 11:39:59,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:39:59,596 INFO L435 NwaCegarLoop]: 897 mSDtfsCounter, 834 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:39:59,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 1741 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:39:59,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2024-12-02 11:39:59,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1146. [2024-12-02 11:39:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 851 states have (on average 1.4923619271445359) internal successors, (1270), 881 states have internal predecessors, (1270), 205 states have call successors, (205), 89 states have call predecessors, (205), 89 states have return successors, (216), 202 states have call predecessors, (216), 203 states have call successors, (216) [2024-12-02 11:39:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1691 transitions. [2024-12-02 11:39:59,695 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1691 transitions. Word has length 184 [2024-12-02 11:39:59,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:39:59,695 INFO L471 AbstractCegarLoop]: Abstraction has 1146 states and 1691 transitions. [2024-12-02 11:39:59,695 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 11:39:59,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1691 transitions. [2024-12-02 11:39:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 11:39:59,703 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:39:59,703 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:39:59,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:39:59,703 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:39:59,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:39:59,704 INFO L85 PathProgramCache]: Analyzing trace with hash -296978933, now seen corresponding path program 1 times [2024-12-02 11:39:59,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:39:59,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145875326] [2024-12-02 11:39:59,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:39:59,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:39:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:39:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 11:39:59,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:39:59,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145875326] [2024-12-02 11:39:59,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145875326] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:39:59,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:39:59,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:39:59,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971585214] [2024-12-02 11:39:59,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:39:59,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:39:59,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:39:59,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:39:59,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:39:59,857 INFO L87 Difference]: Start difference. First operand 1146 states and 1691 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 11:39:59,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:39:59,917 INFO L93 Difference]: Finished difference Result 1148 states and 1692 transitions. [2024-12-02 11:39:59,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:39:59,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 178 [2024-12-02 11:39:59,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:39:59,922 INFO L225 Difference]: With dead ends: 1148 [2024-12-02 11:39:59,922 INFO L226 Difference]: Without dead ends: 602 [2024-12-02 11:39:59,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:39:59,925 INFO L435 NwaCegarLoop]: 866 mSDtfsCounter, 827 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:39:59,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 903 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:39:59,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-12-02 11:39:59,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2024-12-02 11:39:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 447 states have (on average 1.4742729306487696) internal successors, (659), 462 states have internal predecessors, (659), 108 states have call successors, (108), 46 states have call predecessors, (108), 46 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2024-12-02 11:39:59,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 874 transitions. [2024-12-02 11:39:59,964 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 874 transitions. Word has length 178 [2024-12-02 11:39:59,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:39:59,965 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 874 transitions. [2024-12-02 11:39:59,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 11:39:59,965 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 874 transitions. [2024-12-02 11:39:59,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 11:39:59,969 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:39:59,969 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:39:59,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:39:59,970 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:39:59,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:39:59,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1367261116, now seen corresponding path program 1 times [2024-12-02 11:39:59,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:39:59,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8378102] [2024-12-02 11:39:59,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:39:59,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:00,088 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-12-02 11:40:00,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:00,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8378102] [2024-12-02 11:40:00,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8378102] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:00,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:00,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:00,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250040278] [2024-12-02 11:40:00,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:00,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:00,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:00,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:00,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:00,090 INFO L87 Difference]: Start difference. First operand 602 states and 874 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:40:00,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:00,168 INFO L93 Difference]: Finished difference Result 1158 states and 1688 transitions. [2024-12-02 11:40:00,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:00,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 194 [2024-12-02 11:40:00,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:00,173 INFO L225 Difference]: With dead ends: 1158 [2024-12-02 11:40:00,173 INFO L226 Difference]: Without dead ends: 605 [2024-12-02 11:40:00,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:00,175 INFO L435 NwaCegarLoop]: 847 mSDtfsCounter, 809 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:00,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 888 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:00,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-12-02 11:40:00,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 599. [2024-12-02 11:40:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 447 states have (on average 1.4496644295302012) internal successors, (648), 457 states have internal predecessors, (648), 105 states have call successors, (105), 46 states have call predecessors, (105), 46 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 11:40:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 857 transitions. [2024-12-02 11:40:00,217 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 857 transitions. Word has length 194 [2024-12-02 11:40:00,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:00,218 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 857 transitions. [2024-12-02 11:40:00,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:40:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 857 transitions. [2024-12-02 11:40:00,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 11:40:00,222 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:00,222 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:00,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:40:00,222 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:00,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:00,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1811251292, now seen corresponding path program 1 times [2024-12-02 11:40:00,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:00,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301683561] [2024-12-02 11:40:00,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:00,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-12-02 11:40:00,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:00,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301683561] [2024-12-02 11:40:00,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301683561] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:40:00,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327655932] [2024-12-02 11:40:00,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:00,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:40:00,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:40:00,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:40:00,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:40:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:01,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 1580 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:40:01,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:40:01,106 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 11:40:01,106 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:40:01,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327655932] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:01,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:40:01,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-02 11:40:01,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599658378] [2024-12-02 11:40:01,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:01,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:01,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:01,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:01,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:40:01,108 INFO L87 Difference]: Start difference. First operand 599 states and 857 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, (36), 2 states have call predecessors, (36), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 11:40:01,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:01,143 INFO L93 Difference]: Finished difference Result 930 states and 1313 transitions. [2024-12-02 11:40:01,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:01,143 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, (36), 2 states have call predecessors, (36), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 205 [2024-12-02 11:40:01,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:01,146 INFO L225 Difference]: With dead ends: 930 [2024-12-02 11:40:01,146 INFO L226 Difference]: Without dead ends: 601 [2024-12-02 11:40:01,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:40:01,148 INFO L435 NwaCegarLoop]: 851 mSDtfsCounter, 1 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:01,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1700 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:01,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-12-02 11:40:01,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 600. [2024-12-02 11:40:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 448 states have (on average 1.4486607142857142) internal successors, (649), 458 states have internal predecessors, (649), 105 states have call successors, (105), 46 states have call predecessors, (105), 46 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 11:40:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 858 transitions. [2024-12-02 11:40:01,173 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 858 transitions. Word has length 205 [2024-12-02 11:40:01,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:01,174 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 858 transitions. [2024-12-02 11:40:01,174 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, (36), 2 states have call predecessors, (36), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 11:40:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 858 transitions. [2024-12-02 11:40:01,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 11:40:01,177 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:01,177 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:01,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:40:01,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:40:01,378 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:01,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:01,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1563272058, now seen corresponding path program 1 times [2024-12-02 11:40:01,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:01,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959848614] [2024-12-02 11:40:01,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:01,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-12-02 11:40:01,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:01,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959848614] [2024-12-02 11:40:01,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959848614] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:40:01,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869514974] [2024-12-02 11:40:01,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:01,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:40:01,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:40:01,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:40:01,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:40:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:02,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:40:02,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:40:02,167 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 11:40:02,167 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:40:02,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869514974] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:02,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:40:02,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-02 11:40:02,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594650369] [2024-12-02 11:40:02,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:02,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:02,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:02,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:02,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:40:02,169 INFO L87 Difference]: Start difference. First operand 600 states and 858 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:02,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:02,205 INFO L93 Difference]: Finished difference Result 1217 states and 1775 transitions. [2024-12-02 11:40:02,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:02,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 219 [2024-12-02 11:40:02,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:02,209 INFO L225 Difference]: With dead ends: 1217 [2024-12-02 11:40:02,210 INFO L226 Difference]: Without dead ends: 697 [2024-12-02 11:40:02,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:40:02,211 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 165 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:02,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1671 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:02,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-12-02 11:40:02,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 689. [2024-12-02 11:40:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 523 states have (on average 1.4646271510516253) internal successors, (766), 533 states have internal predecessors, (766), 119 states have call successors, (119), 46 states have call predecessors, (119), 46 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2024-12-02 11:40:02,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1003 transitions. [2024-12-02 11:40:02,239 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1003 transitions. Word has length 219 [2024-12-02 11:40:02,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:02,240 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 1003 transitions. [2024-12-02 11:40:02,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1003 transitions. [2024-12-02 11:40:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-12-02 11:40:02,243 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:02,243 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:02,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:40:02,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:40:02,444 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:02,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:02,444 INFO L85 PathProgramCache]: Analyzing trace with hash -810602186, now seen corresponding path program 1 times [2024-12-02 11:40:02,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:02,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727002229] [2024-12-02 11:40:02,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:02,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-12-02 11:40:02,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:02,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727002229] [2024-12-02 11:40:02,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727002229] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:40:02,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6642417] [2024-12-02 11:40:02,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:02,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:40:02,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:40:02,646 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:40:02,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:40:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:03,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 1598 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 11:40:03,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:40:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-02 11:40:03,158 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:40:03,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6642417] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:03,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:40:03,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-12-02 11:40:03,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159254107] [2024-12-02 11:40:03,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:03,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:40:03,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:03,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:40:03,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-12-02 11:40:03,160 INFO L87 Difference]: Start difference. First operand 689 states and 1003 transitions. Second operand has 8 states, 6 states have (on average 21.666666666666668) internal successors, (130), 8 states have internal predecessors, (130), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 11:40:03,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:03,310 INFO L93 Difference]: Finished difference Result 1322 states and 1941 transitions. [2024-12-02 11:40:03,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:40:03,310 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 21.666666666666668) internal successors, (130), 8 states have internal predecessors, (130), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 213 [2024-12-02 11:40:03,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:03,315 INFO L225 Difference]: With dead ends: 1322 [2024-12-02 11:40:03,315 INFO L226 Difference]: Without dead ends: 691 [2024-12-02 11:40:03,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:40:03,317 INFO L435 NwaCegarLoop]: 842 mSDtfsCounter, 4 mSDsluCounter, 5035 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5877 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:03,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5877 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:40:03,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2024-12-02 11:40:03,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 691. [2024-12-02 11:40:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 524 states have (on average 1.463740458015267) internal successors, (767), 535 states have internal predecessors, (767), 119 states have call successors, (119), 46 states have call predecessors, (119), 47 states have return successors, (120), 117 states have call predecessors, (120), 118 states have call successors, (120) [2024-12-02 11:40:03,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 1006 transitions. [2024-12-02 11:40:03,354 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 1006 transitions. Word has length 213 [2024-12-02 11:40:03,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:03,355 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 1006 transitions. [2024-12-02 11:40:03,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 21.666666666666668) internal successors, (130), 8 states have internal predecessors, (130), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 11:40:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1006 transitions. [2024-12-02 11:40:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-12-02 11:40:03,359 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:03,359 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:03,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 11:40:03,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-12-02 11:40:03,560 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:03,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:03,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1234707601, now seen corresponding path program 1 times [2024-12-02 11:40:03,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:03,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159995496] [2024-12-02 11:40:03,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:03,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-12-02 11:40:03,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:03,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159995496] [2024-12-02 11:40:03,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159995496] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:40:03,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727594690] [2024-12-02 11:40:03,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:03,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:40:03,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:40:03,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:40:03,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:40:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:04,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 1606 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:40:04,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:40:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 11:40:04,305 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:40:04,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727594690] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:04,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:40:04,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-12-02 11:40:04,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964982978] [2024-12-02 11:40:04,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:04,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:04,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:04,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:04,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:40:04,307 INFO L87 Difference]: Start difference. First operand 691 states and 1006 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 11:40:04,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:04,376 INFO L93 Difference]: Finished difference Result 1888 states and 2814 transitions. [2024-12-02 11:40:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:04,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 214 [2024-12-02 11:40:04,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:04,382 INFO L225 Difference]: With dead ends: 1888 [2024-12-02 11:40:04,382 INFO L226 Difference]: Without dead ends: 1279 [2024-12-02 11:40:04,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:40:04,384 INFO L435 NwaCegarLoop]: 1148 mSDtfsCounter, 690 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:04,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 1980 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:04,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2024-12-02 11:40:04,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1277. [2024-12-02 11:40:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 973 states have (on average 1.4799588900308325) internal successors, (1440), 992 states have internal predecessors, (1440), 216 states have call successors, (216), 86 states have call predecessors, (216), 87 states have return successors, (230), 212 states have call predecessors, (230), 214 states have call successors, (230) [2024-12-02 11:40:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1886 transitions. [2024-12-02 11:40:04,435 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1886 transitions. Word has length 214 [2024-12-02 11:40:04,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:04,435 INFO L471 AbstractCegarLoop]: Abstraction has 1277 states and 1886 transitions. [2024-12-02 11:40:04,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 11:40:04,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1886 transitions. [2024-12-02 11:40:04,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-12-02 11:40:04,439 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:04,440 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:04,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 11:40:04,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 11:40:04,640 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:04,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:04,641 INFO L85 PathProgramCache]: Analyzing trace with hash 618564745, now seen corresponding path program 1 times [2024-12-02 11:40:04,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:04,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689170143] [2024-12-02 11:40:04,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:04,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-12-02 11:40:04,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:04,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689170143] [2024-12-02 11:40:04,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689170143] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:40:04,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117767285] [2024-12-02 11:40:04,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:04,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:40:04,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:40:04,837 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:40:04,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 11:40:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:05,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:40:05,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:40:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-02 11:40:05,305 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:40:05,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117767285] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:05,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:40:05,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-12-02 11:40:05,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295901637] [2024-12-02 11:40:05,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:05,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:40:05,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:05,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:40:05,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:40:05,307 INFO L87 Difference]: Start difference. First operand 1277 states and 1886 transitions. Second operand has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 11:40:05,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:05,433 INFO L93 Difference]: Finished difference Result 2494 states and 3707 transitions. [2024-12-02 11:40:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:40:05,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 214 [2024-12-02 11:40:05,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:05,441 INFO L225 Difference]: With dead ends: 2494 [2024-12-02 11:40:05,441 INFO L226 Difference]: Without dead ends: 1281 [2024-12-02 11:40:05,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:40:05,446 INFO L435 NwaCegarLoop]: 842 mSDtfsCounter, 2 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4193 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:05,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4193 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:05,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2024-12-02 11:40:05,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1279. [2024-12-02 11:40:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 974 states have (on average 1.4794661190965093) internal successors, (1441), 994 states have internal predecessors, (1441), 216 states have call successors, (216), 86 states have call predecessors, (216), 88 states have return successors, (235), 212 states have call predecessors, (235), 214 states have call successors, (235) [2024-12-02 11:40:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1892 transitions. [2024-12-02 11:40:05,514 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1892 transitions. Word has length 214 [2024-12-02 11:40:05,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:05,514 INFO L471 AbstractCegarLoop]: Abstraction has 1279 states and 1892 transitions. [2024-12-02 11:40:05,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 11:40:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1892 transitions. [2024-12-02 11:40:05,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 11:40:05,520 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:05,520 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:05,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 11:40:05,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 11:40:05,721 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:05,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:05,721 INFO L85 PathProgramCache]: Analyzing trace with hash -452037237, now seen corresponding path program 1 times [2024-12-02 11:40:05,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:05,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426191202] [2024-12-02 11:40:05,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:05,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-12-02 11:40:05,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:05,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426191202] [2024-12-02 11:40:05,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426191202] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:05,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:05,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:40:05,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246617341] [2024-12-02 11:40:05,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:05,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:40:05,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:05,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:40:05,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:40:05,994 INFO L87 Difference]: Start difference. First operand 1279 states and 1892 transitions. Second operand has 8 states, 6 states have (on average 21.666666666666668) internal successors, (130), 8 states have internal predecessors, (130), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 11:40:06,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:06,130 INFO L93 Difference]: Finished difference Result 2480 states and 3690 transitions. [2024-12-02 11:40:06,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:40:06,131 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 21.666666666666668) internal successors, (130), 8 states have internal predecessors, (130), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 222 [2024-12-02 11:40:06,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:06,139 INFO L225 Difference]: With dead ends: 2480 [2024-12-02 11:40:06,139 INFO L226 Difference]: Without dead ends: 1279 [2024-12-02 11:40:06,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:40:06,142 INFO L435 NwaCegarLoop]: 843 mSDtfsCounter, 4 mSDsluCounter, 5041 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5884 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:06,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5884 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:06,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2024-12-02 11:40:06,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2024-12-02 11:40:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 974 states have (on average 1.4794661190965093) internal successors, (1441), 994 states have internal predecessors, (1441), 216 states have call successors, (216), 86 states have call predecessors, (216), 88 states have return successors, (234), 212 states have call predecessors, (234), 214 states have call successors, (234) [2024-12-02 11:40:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1891 transitions. [2024-12-02 11:40:06,210 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1891 transitions. Word has length 222 [2024-12-02 11:40:06,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:06,211 INFO L471 AbstractCegarLoop]: Abstraction has 1279 states and 1891 transitions. [2024-12-02 11:40:06,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 21.666666666666668) internal successors, (130), 8 states have internal predecessors, (130), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 11:40:06,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1891 transitions. [2024-12-02 11:40:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-12-02 11:40:06,217 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:06,217 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:06,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 11:40:06,217 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:06,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:06,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1387296526, now seen corresponding path program 2 times [2024-12-02 11:40:06,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:06,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957366076] [2024-12-02 11:40:06,218 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:40:06,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:06,249 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:40:06,250 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:40:06,282 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-12-02 11:40:06,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:06,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957366076] [2024-12-02 11:40:06,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957366076] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:06,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:06,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:06,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609139415] [2024-12-02 11:40:06,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:06,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:06,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:06,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:06,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:06,284 INFO L87 Difference]: Start difference. First operand 1279 states and 1891 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 11:40:06,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:06,381 INFO L93 Difference]: Finished difference Result 2708 states and 4074 transitions. [2024-12-02 11:40:06,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:06,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 223 [2024-12-02 11:40:06,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:06,393 INFO L225 Difference]: With dead ends: 2708 [2024-12-02 11:40:06,393 INFO L226 Difference]: Without dead ends: 2082 [2024-12-02 11:40:06,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:06,398 INFO L435 NwaCegarLoop]: 833 mSDtfsCounter, 772 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:06,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 1368 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:06,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2024-12-02 11:40:06,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 2082. [2024-12-02 11:40:06,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2082 states, 1632 states have (on average 1.5189950980392157) internal successors, (2479), 1660 states have internal predecessors, (2479), 321 states have call successors, (321), 134 states have call predecessors, (321), 128 states have return successors, (352), 299 states have call predecessors, (352), 319 states have call successors, (352) [2024-12-02 11:40:06,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 3152 transitions. [2024-12-02 11:40:06,509 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 3152 transitions. Word has length 223 [2024-12-02 11:40:06,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:06,510 INFO L471 AbstractCegarLoop]: Abstraction has 2082 states and 3152 transitions. [2024-12-02 11:40:06,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 11:40:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 3152 transitions. [2024-12-02 11:40:06,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-12-02 11:40:06,517 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:06,518 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:06,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 11:40:06,518 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:06,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:06,518 INFO L85 PathProgramCache]: Analyzing trace with hash 357018467, now seen corresponding path program 1 times [2024-12-02 11:40:06,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:06,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387578589] [2024-12-02 11:40:06,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:06,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-12-02 11:40:06,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:06,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387578589] [2024-12-02 11:40:06,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387578589] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:06,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:06,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:40:06,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074785715] [2024-12-02 11:40:06,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:06,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:40:06,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:06,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:40:06,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:40:06,769 INFO L87 Difference]: Start difference. First operand 2082 states and 3152 transitions. Second operand has 8 states, 6 states have (on average 21.5) internal successors, (129), 8 states have internal predecessors, (129), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 11:40:06,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:06,926 INFO L93 Difference]: Finished difference Result 4048 states and 6168 transitions. [2024-12-02 11:40:06,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:40:06,927 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 21.5) internal successors, (129), 8 states have internal predecessors, (129), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 216 [2024-12-02 11:40:06,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:06,939 INFO L225 Difference]: With dead ends: 4048 [2024-12-02 11:40:06,939 INFO L226 Difference]: Without dead ends: 2086 [2024-12-02 11:40:06,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:40:06,946 INFO L435 NwaCegarLoop]: 818 mSDtfsCounter, 3 mSDsluCounter, 4890 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:06,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5708 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:06,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2024-12-02 11:40:07,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 2086. [2024-12-02 11:40:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2086 states, 1634 states have (on average 1.518359853121175) internal successors, (2481), 1664 states have internal predecessors, (2481), 321 states have call successors, (321), 134 states have call predecessors, (321), 130 states have return successors, (356), 299 states have call predecessors, (356), 319 states have call successors, (356) [2024-12-02 11:40:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 2086 states and 3158 transitions. [2024-12-02 11:40:07,051 INFO L78 Accepts]: Start accepts. Automaton has 2086 states and 3158 transitions. Word has length 216 [2024-12-02 11:40:07,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:07,051 INFO L471 AbstractCegarLoop]: Abstraction has 2086 states and 3158 transitions. [2024-12-02 11:40:07,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 21.5) internal successors, (129), 8 states have internal predecessors, (129), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 11:40:07,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 3158 transitions. [2024-12-02 11:40:07,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-12-02 11:40:07,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:07,059 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:07,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 11:40:07,059 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:07,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:07,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1277412719, now seen corresponding path program 1 times [2024-12-02 11:40:07,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:07,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914412311] [2024-12-02 11:40:07,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:07,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-12-02 11:40:07,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:07,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914412311] [2024-12-02 11:40:07,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914412311] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:07,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:07,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:40:07,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819727128] [2024-12-02 11:40:07,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:07,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:40:07,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:07,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:40:07,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:40:07,302 INFO L87 Difference]: Start difference. First operand 2086 states and 3158 transitions. Second operand has 8 states, 6 states have (on average 21.666666666666668) internal successors, (130), 8 states have internal predecessors, (130), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 11:40:07,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:07,461 INFO L93 Difference]: Finished difference Result 4052 states and 6174 transitions. [2024-12-02 11:40:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:40:07,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 21.666666666666668) internal successors, (130), 8 states have internal predecessors, (130), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 217 [2024-12-02 11:40:07,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:07,473 INFO L225 Difference]: With dead ends: 4052 [2024-12-02 11:40:07,473 INFO L226 Difference]: Without dead ends: 2090 [2024-12-02 11:40:07,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:40:07,479 INFO L435 NwaCegarLoop]: 816 mSDtfsCounter, 2 mSDsluCounter, 4879 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5695 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:07,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5695 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:07,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2024-12-02 11:40:07,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 2086. [2024-12-02 11:40:07,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2086 states, 1634 states have (on average 1.518359853121175) internal successors, (2481), 1664 states have internal predecessors, (2481), 321 states have call successors, (321), 134 states have call predecessors, (321), 130 states have return successors, (356), 299 states have call predecessors, (356), 319 states have call successors, (356) [2024-12-02 11:40:07,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 2086 states and 3158 transitions. [2024-12-02 11:40:07,595 INFO L78 Accepts]: Start accepts. Automaton has 2086 states and 3158 transitions. Word has length 217 [2024-12-02 11:40:07,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:07,595 INFO L471 AbstractCegarLoop]: Abstraction has 2086 states and 3158 transitions. [2024-12-02 11:40:07,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 21.666666666666668) internal successors, (130), 8 states have internal predecessors, (130), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 11:40:07,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 3158 transitions. [2024-12-02 11:40:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-12-02 11:40:07,603 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:07,604 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:07,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 11:40:07,604 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:07,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:07,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1452087460, now seen corresponding path program 1 times [2024-12-02 11:40:07,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:07,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663829995] [2024-12-02 11:40:07,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:07,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:07,680 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:07,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:07,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663829995] [2024-12-02 11:40:07,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663829995] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:07,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:07,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:07,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135583315] [2024-12-02 11:40:07,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:07,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:07,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:07,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:07,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:07,682 INFO L87 Difference]: Start difference. First operand 2086 states and 3158 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 11:40:07,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:07,876 INFO L93 Difference]: Finished difference Result 6067 states and 9378 transitions. [2024-12-02 11:40:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:07,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 218 [2024-12-02 11:40:07,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:07,896 INFO L225 Difference]: With dead ends: 6067 [2024-12-02 11:40:07,896 INFO L226 Difference]: Without dead ends: 4017 [2024-12-02 11:40:07,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:07,901 INFO L435 NwaCegarLoop]: 855 mSDtfsCounter, 773 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:07,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 1652 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:07,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4017 states. [2024-12-02 11:40:08,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4017 to 4015. [2024-12-02 11:40:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4015 states, 3167 states have (on average 1.5184717398168615) internal successors, (4809), 3211 states have internal predecessors, (4809), 600 states have call successors, (600), 255 states have call predecessors, (600), 247 states have return successors, (727), 564 states have call predecessors, (727), 596 states have call successors, (727) [2024-12-02 11:40:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 4015 states and 6136 transitions. [2024-12-02 11:40:08,185 INFO L78 Accepts]: Start accepts. Automaton has 4015 states and 6136 transitions. Word has length 218 [2024-12-02 11:40:08,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:08,185 INFO L471 AbstractCegarLoop]: Abstraction has 4015 states and 6136 transitions. [2024-12-02 11:40:08,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 11:40:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 6136 transitions. [2024-12-02 11:40:08,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 11:40:08,198 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:08,198 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:08,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 11:40:08,199 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:08,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:08,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1073471346, now seen corresponding path program 1 times [2024-12-02 11:40:08,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:08,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642623954] [2024-12-02 11:40:08,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:08,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:08,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:08,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642623954] [2024-12-02 11:40:08,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642623954] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:08,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:08,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:08,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034653913] [2024-12-02 11:40:08,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:08,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:08,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:08,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:08,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:08,278 INFO L87 Difference]: Start difference. First operand 4015 states and 6136 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 11:40:08,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:08,419 INFO L93 Difference]: Finished difference Result 5148 states and 7812 transitions. [2024-12-02 11:40:08,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:08,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 219 [2024-12-02 11:40:08,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:08,436 INFO L225 Difference]: With dead ends: 5148 [2024-12-02 11:40:08,436 INFO L226 Difference]: Without dead ends: 3212 [2024-12-02 11:40:08,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:08,442 INFO L435 NwaCegarLoop]: 1521 mSDtfsCounter, 781 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 2275 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:08,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 2275 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:08,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2024-12-02 11:40:08,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 3210. [2024-12-02 11:40:08,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3210 states, 2514 states have (on average 1.5039777247414479) internal successors, (3781), 2549 states have internal predecessors, (3781), 487 states have call successors, (487), 209 states have call predecessors, (487), 208 states have return successors, (538), 463 states have call predecessors, (538), 483 states have call successors, (538) [2024-12-02 11:40:08,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 3210 states and 4806 transitions. [2024-12-02 11:40:08,629 INFO L78 Accepts]: Start accepts. Automaton has 3210 states and 4806 transitions. Word has length 219 [2024-12-02 11:40:08,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:08,630 INFO L471 AbstractCegarLoop]: Abstraction has 3210 states and 4806 transitions. [2024-12-02 11:40:08,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 11:40:08,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states and 4806 transitions. [2024-12-02 11:40:08,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-12-02 11:40:08,637 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:08,638 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:08,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 11:40:08,638 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:08,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:08,638 INFO L85 PathProgramCache]: Analyzing trace with hash 444589967, now seen corresponding path program 1 times [2024-12-02 11:40:08,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:08,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697745389] [2024-12-02 11:40:08,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:08,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-12-02 11:40:08,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:08,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697745389] [2024-12-02 11:40:08,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697745389] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:08,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:08,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 11:40:08,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188239259] [2024-12-02 11:40:08,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:08,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:40:08,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:08,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:40:08,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:40:08,840 INFO L87 Difference]: Start difference. First operand 3210 states and 4806 transitions. Second operand has 9 states, 7 states have (on average 19.0) internal successors, (133), 8 states have internal predecessors, (133), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 11:40:09,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:09,076 INFO L93 Difference]: Finished difference Result 6246 states and 9406 transitions. [2024-12-02 11:40:09,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 11:40:09,077 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 19.0) internal successors, (133), 8 states have internal predecessors, (133), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 217 [2024-12-02 11:40:09,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:09,095 INFO L225 Difference]: With dead ends: 6246 [2024-12-02 11:40:09,095 INFO L226 Difference]: Without dead ends: 3216 [2024-12-02 11:40:09,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:40:09,103 INFO L435 NwaCegarLoop]: 810 mSDtfsCounter, 7 mSDsluCounter, 5640 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 6450 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:09,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 6450 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:40:09,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3216 states. [2024-12-02 11:40:09,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3216 to 3210. [2024-12-02 11:40:09,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3210 states, 2514 states have (on average 1.5039777247414479) internal successors, (3781), 2549 states have internal predecessors, (3781), 487 states have call successors, (487), 209 states have call predecessors, (487), 208 states have return successors, (535), 463 states have call predecessors, (535), 483 states have call successors, (535) [2024-12-02 11:40:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 3210 states and 4803 transitions. [2024-12-02 11:40:09,254 INFO L78 Accepts]: Start accepts. Automaton has 3210 states and 4803 transitions. Word has length 217 [2024-12-02 11:40:09,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:09,255 INFO L471 AbstractCegarLoop]: Abstraction has 3210 states and 4803 transitions. [2024-12-02 11:40:09,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 19.0) internal successors, (133), 8 states have internal predecessors, (133), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 11:40:09,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states and 4803 transitions. [2024-12-02 11:40:09,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-12-02 11:40:09,264 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:09,264 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:09,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 11:40:09,264 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:09,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:09,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1633756692, now seen corresponding path program 2 times [2024-12-02 11:40:09,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:09,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440300256] [2024-12-02 11:40:09,265 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:40:09,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:09,320 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:40:09,320 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:40:09,422 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-12-02 11:40:09,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:09,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440300256] [2024-12-02 11:40:09,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440300256] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:09,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:09,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:40:09,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478191544] [2024-12-02 11:40:09,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:09,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:40:09,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:09,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:40:09,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:40:09,424 INFO L87 Difference]: Start difference. First operand 3210 states and 4803 transitions. Second operand has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 11:40:09,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:09,560 INFO L93 Difference]: Finished difference Result 3724 states and 5525 transitions. [2024-12-02 11:40:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:40:09,560 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) Word has length 218 [2024-12-02 11:40:09,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:09,576 INFO L225 Difference]: With dead ends: 3724 [2024-12-02 11:40:09,577 INFO L226 Difference]: Without dead ends: 3210 [2024-12-02 11:40:09,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:40:09,580 INFO L435 NwaCegarLoop]: 824 mSDtfsCounter, 0 mSDsluCounter, 4111 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4935 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:09,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4935 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:09,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3210 states. [2024-12-02 11:40:09,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3210 to 3210. [2024-12-02 11:40:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3210 states, 2514 states have (on average 1.5031821797931584) internal successors, (3779), 2549 states have internal predecessors, (3779), 487 states have call successors, (487), 209 states have call predecessors, (487), 208 states have return successors, (535), 463 states have call predecessors, (535), 483 states have call successors, (535) [2024-12-02 11:40:09,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 3210 states and 4801 transitions. [2024-12-02 11:40:09,723 INFO L78 Accepts]: Start accepts. Automaton has 3210 states and 4801 transitions. Word has length 218 [2024-12-02 11:40:09,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:09,723 INFO L471 AbstractCegarLoop]: Abstraction has 3210 states and 4801 transitions. [2024-12-02 11:40:09,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 11:40:09,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states and 4801 transitions. [2024-12-02 11:40:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 11:40:09,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:09,732 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:09,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 11:40:09,732 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:09,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:09,732 INFO L85 PathProgramCache]: Analyzing trace with hash 627160848, now seen corresponding path program 1 times [2024-12-02 11:40:09,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:09,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944516625] [2024-12-02 11:40:09,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:09,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-12-02 11:40:09,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:09,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944516625] [2024-12-02 11:40:09,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944516625] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:09,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:09,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 11:40:09,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320627237] [2024-12-02 11:40:09,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:09,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:40:09,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:09,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:40:09,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:40:09,935 INFO L87 Difference]: Start difference. First operand 3210 states and 4801 transitions. Second operand has 9 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 11:40:10,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:10,206 INFO L93 Difference]: Finished difference Result 6258 states and 9429 transitions. [2024-12-02 11:40:10,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 11:40:10,207 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 225 [2024-12-02 11:40:10,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:10,223 INFO L225 Difference]: With dead ends: 6258 [2024-12-02 11:40:10,223 INFO L226 Difference]: Without dead ends: 3228 [2024-12-02 11:40:10,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:40:10,231 INFO L435 NwaCegarLoop]: 812 mSDtfsCounter, 4 mSDsluCounter, 5654 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6466 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:10,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6466 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:40:10,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3228 states. [2024-12-02 11:40:10,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3228 to 3216. [2024-12-02 11:40:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3216 states, 2517 states have (on average 1.5025824394119984) internal successors, (3782), 2555 states have internal predecessors, (3782), 487 states have call successors, (487), 209 states have call predecessors, (487), 211 states have return successors, (550), 463 states have call predecessors, (550), 483 states have call successors, (550) [2024-12-02 11:40:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 3216 states and 4819 transitions. [2024-12-02 11:40:10,373 INFO L78 Accepts]: Start accepts. Automaton has 3216 states and 4819 transitions. Word has length 225 [2024-12-02 11:40:10,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:10,373 INFO L471 AbstractCegarLoop]: Abstraction has 3216 states and 4819 transitions. [2024-12-02 11:40:10,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 11:40:10,374 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 4819 transitions. [2024-12-02 11:40:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 11:40:10,381 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:10,382 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:10,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 11:40:10,382 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:10,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:10,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1196307470, now seen corresponding path program 1 times [2024-12-02 11:40:10,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:10,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997341706] [2024-12-02 11:40:10,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:10,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:10,523 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:10,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:10,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997341706] [2024-12-02 11:40:10,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997341706] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:40:10,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466131982] [2024-12-02 11:40:10,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:10,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:40:10,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:40:10,525 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:40:10,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 11:40:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:10,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:40:10,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:40:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:10,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:40:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:11,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466131982] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:40:11,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:40:11,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 11:40:11,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421301402] [2024-12-02 11:40:11,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:40:11,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:40:11,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:11,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:40:11,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:40:11,125 INFO L87 Difference]: Start difference. First operand 3216 states and 4819 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 11:40:11,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:11,515 INFO L93 Difference]: Finished difference Result 7221 states and 11064 transitions. [2024-12-02 11:40:11,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:40:11,516 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 226 [2024-12-02 11:40:11,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:11,545 INFO L225 Difference]: With dead ends: 7221 [2024-12-02 11:40:11,545 INFO L226 Difference]: Without dead ends: 5859 [2024-12-02 11:40:11,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:40:11,552 INFO L435 NwaCegarLoop]: 886 mSDtfsCounter, 920 mSDsluCounter, 1536 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 2422 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:11,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 2422 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:40:11,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5859 states. [2024-12-02 11:40:11,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5859 to 5757. [2024-12-02 11:40:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5757 states, 4677 states have (on average 1.5360273679709215) internal successors, (7184), 4715 states have internal predecessors, (7184), 868 states have call successors, (868), 209 states have call predecessors, (868), 211 states have return successors, (961), 844 states have call predecessors, (961), 864 states have call successors, (961) [2024-12-02 11:40:11,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5757 states to 5757 states and 9013 transitions. [2024-12-02 11:40:11,817 INFO L78 Accepts]: Start accepts. Automaton has 5757 states and 9013 transitions. Word has length 226 [2024-12-02 11:40:11,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:11,817 INFO L471 AbstractCegarLoop]: Abstraction has 5757 states and 9013 transitions. [2024-12-02 11:40:11,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 11:40:11,818 INFO L276 IsEmpty]: Start isEmpty. Operand 5757 states and 9013 transitions. [2024-12-02 11:40:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-12-02 11:40:11,834 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:11,834 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:11,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 11:40:12,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5c1974-ed63-4a02-8eac-20ca90969282/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:40:12,035 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:12,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:12,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1431429937, now seen corresponding path program 1 times [2024-12-02 11:40:12,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:12,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574671857] [2024-12-02 11:40:12,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:12,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:12,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:12,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574671857] [2024-12-02 11:40:12,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574671857] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:12,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:12,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:12,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197143930] [2024-12-02 11:40:12,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:12,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:12,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:12,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:12,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:12,116 INFO L87 Difference]: Start difference. First operand 5757 states and 9013 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:12,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:12,380 INFO L93 Difference]: Finished difference Result 13464 states and 21339 transitions. [2024-12-02 11:40:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:12,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 231 [2024-12-02 11:40:12,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:12,418 INFO L225 Difference]: With dead ends: 13464 [2024-12-02 11:40:12,418 INFO L226 Difference]: Without dead ends: 8646 [2024-12-02 11:40:12,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:12,434 INFO L435 NwaCegarLoop]: 835 mSDtfsCounter, 163 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:12,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1647 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:12,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8646 states. [2024-12-02 11:40:12,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8646 to 8610. [2024-12-02 11:40:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8610 states, 7065 states have (on average 1.545930644019816) internal successors, (10922), 7103 states have internal predecessors, (10922), 1333 states have call successors, (1333), 209 states have call predecessors, (1333), 211 states have return successors, (1456), 1309 states have call predecessors, (1456), 1329 states have call successors, (1456) [2024-12-02 11:40:12,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8610 states to 8610 states and 13711 transitions. [2024-12-02 11:40:12,752 INFO L78 Accepts]: Start accepts. Automaton has 8610 states and 13711 transitions. Word has length 231 [2024-12-02 11:40:12,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:12,752 INFO L471 AbstractCegarLoop]: Abstraction has 8610 states and 13711 transitions. [2024-12-02 11:40:12,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:12,752 INFO L276 IsEmpty]: Start isEmpty. Operand 8610 states and 13711 transitions. [2024-12-02 11:40:12,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-12-02 11:40:12,777 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:12,777 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:12,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 11:40:12,778 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:12,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:12,778 INFO L85 PathProgramCache]: Analyzing trace with hash -802444566, now seen corresponding path program 1 times [2024-12-02 11:40:12,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:12,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685758653] [2024-12-02 11:40:12,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:12,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:12,862 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:12,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:12,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685758653] [2024-12-02 11:40:12,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685758653] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:12,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:12,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:12,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350131804] [2024-12-02 11:40:12,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:12,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:12,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:12,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:12,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:12,863 INFO L87 Difference]: Start difference. First operand 8610 states and 13711 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:13,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:13,225 INFO L93 Difference]: Finished difference Result 20676 states and 33204 transitions. [2024-12-02 11:40:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:13,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 232 [2024-12-02 11:40:13,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:13,272 INFO L225 Difference]: With dead ends: 20676 [2024-12-02 11:40:13,272 INFO L226 Difference]: Without dead ends: 12798 [2024-12-02 11:40:13,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:13,287 INFO L435 NwaCegarLoop]: 828 mSDtfsCounter, 161 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:13,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1646 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:13,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12798 states. [2024-12-02 11:40:13,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12798 to 12762. [2024-12-02 11:40:13,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12762 states, 10590 states have (on average 1.554579792256846) internal successors, (16463), 10628 states have internal predecessors, (16463), 1960 states have call successors, (1960), 209 states have call predecessors, (1960), 211 states have return successors, (2083), 1936 states have call predecessors, (2083), 1956 states have call successors, (2083) [2024-12-02 11:40:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12762 states to 12762 states and 20506 transitions. [2024-12-02 11:40:13,742 INFO L78 Accepts]: Start accepts. Automaton has 12762 states and 20506 transitions. Word has length 232 [2024-12-02 11:40:13,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:13,742 INFO L471 AbstractCegarLoop]: Abstraction has 12762 states and 20506 transitions. [2024-12-02 11:40:13,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 12762 states and 20506 transitions. [2024-12-02 11:40:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-12-02 11:40:13,767 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:13,767 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:13,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 11:40:13,768 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:13,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:13,768 INFO L85 PathProgramCache]: Analyzing trace with hash 800496330, now seen corresponding path program 1 times [2024-12-02 11:40:13,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:13,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142952044] [2024-12-02 11:40:13,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:13,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:13,826 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:13,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:13,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142952044] [2024-12-02 11:40:13,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142952044] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:13,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:13,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:13,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378194848] [2024-12-02 11:40:13,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:13,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:13,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:13,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:13,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:13,828 INFO L87 Difference]: Start difference. First operand 12762 states and 20506 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:14,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:14,158 INFO L93 Difference]: Finished difference Result 30390 states and 49224 transitions. [2024-12-02 11:40:14,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:14,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 233 [2024-12-02 11:40:14,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:14,205 INFO L225 Difference]: With dead ends: 30390 [2024-12-02 11:40:14,205 INFO L226 Difference]: Without dead ends: 19203 [2024-12-02 11:40:14,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:14,226 INFO L435 NwaCegarLoop]: 826 mSDtfsCounter, 159 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:14,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1641 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:14,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19203 states. [2024-12-02 11:40:14,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19203 to 19167. [2024-12-02 11:40:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19167 states, 16137 states have (on average 1.562682035074673) internal successors, (25217), 16175 states have internal predecessors, (25217), 2818 states have call successors, (2818), 209 states have call predecessors, (2818), 211 states have return successors, (2989), 2794 states have call predecessors, (2989), 2814 states have call successors, (2989) [2024-12-02 11:40:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19167 states to 19167 states and 31024 transitions. [2024-12-02 11:40:15,029 INFO L78 Accepts]: Start accepts. Automaton has 19167 states and 31024 transitions. Word has length 233 [2024-12-02 11:40:15,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:15,030 INFO L471 AbstractCegarLoop]: Abstraction has 19167 states and 31024 transitions. [2024-12-02 11:40:15,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:15,030 INFO L276 IsEmpty]: Start isEmpty. Operand 19167 states and 31024 transitions. [2024-12-02 11:40:15,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-12-02 11:40:15,092 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:15,092 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:15,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 11:40:15,093 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:15,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:15,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1521964158, now seen corresponding path program 1 times [2024-12-02 11:40:15,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:15,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148448155] [2024-12-02 11:40:15,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:15,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:15,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:15,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148448155] [2024-12-02 11:40:15,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148448155] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:15,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:15,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:15,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133487557] [2024-12-02 11:40:15,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:15,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:15,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:15,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:15,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:15,186 INFO L87 Difference]: Start difference. First operand 19167 states and 31024 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:15,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:15,712 INFO L93 Difference]: Finished difference Result 46116 states and 75228 transitions. [2024-12-02 11:40:15,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:15,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 234 [2024-12-02 11:40:15,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:15,785 INFO L225 Difference]: With dead ends: 46116 [2024-12-02 11:40:15,786 INFO L226 Difference]: Without dead ends: 29763 [2024-12-02 11:40:15,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:15,813 INFO L435 NwaCegarLoop]: 826 mSDtfsCounter, 157 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:15,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1641 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:15,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29763 states. [2024-12-02 11:40:16,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29763 to 29727. [2024-12-02 11:40:16,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29727 states, 25374 states have (on average 1.5705446520059905) internal successors, (39851), 25412 states have internal predecessors, (39851), 4141 states have call successors, (4141), 209 states have call predecessors, (4141), 211 states have return successors, (4390), 4117 states have call predecessors, (4390), 4137 states have call successors, (4390) [2024-12-02 11:40:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29727 states to 29727 states and 48382 transitions. [2024-12-02 11:40:16,679 INFO L78 Accepts]: Start accepts. Automaton has 29727 states and 48382 transitions. Word has length 234 [2024-12-02 11:40:16,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:16,679 INFO L471 AbstractCegarLoop]: Abstraction has 29727 states and 48382 transitions. [2024-12-02 11:40:16,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:16,679 INFO L276 IsEmpty]: Start isEmpty. Operand 29727 states and 48382 transitions. [2024-12-02 11:40:16,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-12-02 11:40:16,760 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:16,761 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:16,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 11:40:16,761 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:16,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:16,761 INFO L85 PathProgramCache]: Analyzing trace with hash -80636683, now seen corresponding path program 1 times [2024-12-02 11:40:16,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:16,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245436042] [2024-12-02 11:40:16,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:16,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:16,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:16,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245436042] [2024-12-02 11:40:16,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245436042] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:16,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:16,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:16,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707978263] [2024-12-02 11:40:16,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:16,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:16,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:16,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:16,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:16,822 INFO L87 Difference]: Start difference. First operand 29727 states and 48382 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:17,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:17,945 INFO L93 Difference]: Finished difference Result 73083 states and 119610 transitions. [2024-12-02 11:40:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:17,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 235 [2024-12-02 11:40:17,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:18,062 INFO L225 Difference]: With dead ends: 73083 [2024-12-02 11:40:18,062 INFO L226 Difference]: Without dead ends: 47925 [2024-12-02 11:40:18,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:18,114 INFO L435 NwaCegarLoop]: 837 mSDtfsCounter, 155 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:18,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 1650 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:18,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47925 states. [2024-12-02 11:40:19,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47925 to 47889. [2024-12-02 11:40:19,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47889 states, 40803 states have (on average 1.5672867191137907) internal successors, (63950), 40841 states have internal predecessors, (63950), 6874 states have call successors, (6874), 209 states have call predecessors, (6874), 211 states have return successors, (7255), 6850 states have call predecessors, (7255), 6870 states have call successors, (7255) [2024-12-02 11:40:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47889 states to 47889 states and 78079 transitions. [2024-12-02 11:40:19,852 INFO L78 Accepts]: Start accepts. Automaton has 47889 states and 78079 transitions. Word has length 235 [2024-12-02 11:40:19,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:19,852 INFO L471 AbstractCegarLoop]: Abstraction has 47889 states and 78079 transitions. [2024-12-02 11:40:19,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:19,852 INFO L276 IsEmpty]: Start isEmpty. Operand 47889 states and 78079 transitions. [2024-12-02 11:40:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-12-02 11:40:19,958 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:19,958 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:19,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 11:40:19,958 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:19,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:19,959 INFO L85 PathProgramCache]: Analyzing trace with hash -2076285609, now seen corresponding path program 1 times [2024-12-02 11:40:19,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:19,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455565871] [2024-12-02 11:40:19,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:19,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:20,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:20,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455565871] [2024-12-02 11:40:20,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455565871] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:20,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:20,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:20,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885330765] [2024-12-02 11:40:20,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:20,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:20,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:20,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:20,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:20,043 INFO L87 Difference]: Start difference. First operand 47889 states and 78079 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:21,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:21,568 INFO L93 Difference]: Finished difference Result 122709 states and 201594 transitions. [2024-12-02 11:40:21,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:21,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 236 [2024-12-02 11:40:21,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:21,753 INFO L225 Difference]: With dead ends: 122709 [2024-12-02 11:40:21,753 INFO L226 Difference]: Without dead ends: 81438 [2024-12-02 11:40:21,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:21,823 INFO L435 NwaCegarLoop]: 826 mSDtfsCounter, 153 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:21,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1644 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:21,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81438 states. [2024-12-02 11:40:24,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81438 to 81402. [2024-12-02 11:40:24,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81402 states, 69642 states have (on average 1.572829614313202) internal successors, (109535), 69680 states have internal predecessors, (109535), 11548 states have call successors, (11548), 209 states have call predecessors, (11548), 211 states have return successors, (12163), 11524 states have call predecessors, (12163), 11544 states have call successors, (12163) [2024-12-02 11:40:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81402 states to 81402 states and 133246 transitions. [2024-12-02 11:40:24,527 INFO L78 Accepts]: Start accepts. Automaton has 81402 states and 133246 transitions. Word has length 236 [2024-12-02 11:40:24,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:24,528 INFO L471 AbstractCegarLoop]: Abstraction has 81402 states and 133246 transitions. [2024-12-02 11:40:24,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 81402 states and 133246 transitions. [2024-12-02 11:40:24,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-12-02 11:40:24,754 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:24,754 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:24,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 11:40:24,754 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:24,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:24,755 INFO L85 PathProgramCache]: Analyzing trace with hash -2058058194, now seen corresponding path program 1 times [2024-12-02 11:40:24,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:24,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537965582] [2024-12-02 11:40:24,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:24,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:24,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:24,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537965582] [2024-12-02 11:40:24,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537965582] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:24,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:24,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:24,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273841825] [2024-12-02 11:40:24,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:24,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:24,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:24,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:24,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:24,876 INFO L87 Difference]: Start difference. First operand 81402 states and 133246 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:27,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:27,855 INFO L93 Difference]: Finished difference Result 200877 states and 326958 transitions. [2024-12-02 11:40:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:27,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 237 [2024-12-02 11:40:27,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:28,199 INFO L225 Difference]: With dead ends: 200877 [2024-12-02 11:40:28,199 INFO L226 Difference]: Without dead ends: 130809 [2024-12-02 11:40:28,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:28,347 INFO L435 NwaCegarLoop]: 843 mSDtfsCounter, 151 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1634 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:28,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1634 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:28,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130809 states. [2024-12-02 11:40:33,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130809 to 130773. [2024-12-02 11:40:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130773 states, 112056 states have (on average 1.5436299707289212) internal successors, (172973), 112094 states have internal predecessors, (172973), 18505 states have call successors, (18505), 209 states have call predecessors, (18505), 211 states have return successors, (19552), 18481 states have call predecessors, (19552), 18501 states have call successors, (19552) [2024-12-02 11:40:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130773 states to 130773 states and 211030 transitions. [2024-12-02 11:40:33,559 INFO L78 Accepts]: Start accepts. Automaton has 130773 states and 211030 transitions. Word has length 237 [2024-12-02 11:40:33,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:33,560 INFO L471 AbstractCegarLoop]: Abstraction has 130773 states and 211030 transitions. [2024-12-02 11:40:33,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand 130773 states and 211030 transitions. [2024-12-02 11:40:33,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-12-02 11:40:33,776 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:33,776 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:33,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 11:40:33,776 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:33,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:33,777 INFO L85 PathProgramCache]: Analyzing trace with hash -43282225, now seen corresponding path program 1 times [2024-12-02 11:40:33,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:33,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828810716] [2024-12-02 11:40:33,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:33,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:33,852 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:33,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:33,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828810716] [2024-12-02 11:40:33,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828810716] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:33,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:33,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:33,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159292102] [2024-12-02 11:40:33,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:33,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:33,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:33,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:33,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:33,854 INFO L87 Difference]: Start difference. First operand 130773 states and 211030 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:38,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:38,312 INFO L93 Difference]: Finished difference Result 353658 states and 572448 transitions. [2024-12-02 11:40:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:38,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 238 [2024-12-02 11:40:38,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:38,892 INFO L225 Difference]: With dead ends: 353658 [2024-12-02 11:40:38,892 INFO L226 Difference]: Without dead ends: 237309 [2024-12-02 11:40:39,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:39,053 INFO L435 NwaCegarLoop]: 826 mSDtfsCounter, 149 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:39,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1645 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:39,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237309 states. [2024-12-02 11:40:45,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237309 to 237273. [2024-12-02 11:40:46,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237273 states, 204198 states have (on average 1.542791800115574) internal successors, (315035), 204236 states have internal predecessors, (315035), 32863 states have call successors, (32863), 209 states have call predecessors, (32863), 211 states have return successors, (34732), 32839 states have call predecessors, (34732), 32859 states have call successors, (34732) [2024-12-02 11:40:46,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237273 states to 237273 states and 382630 transitions. [2024-12-02 11:40:46,739 INFO L78 Accepts]: Start accepts. Automaton has 237273 states and 382630 transitions. Word has length 238 [2024-12-02 11:40:46,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:40:46,739 INFO L471 AbstractCegarLoop]: Abstraction has 237273 states and 382630 transitions. [2024-12-02 11:40:46,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:46,740 INFO L276 IsEmpty]: Start isEmpty. Operand 237273 states and 382630 transitions. [2024-12-02 11:40:47,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-12-02 11:40:47,209 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:40:47,209 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:40:47,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 11:40:47,209 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:40:47,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:40:47,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1244432571, now seen corresponding path program 1 times [2024-12-02 11:40:47,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:40:47,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829364354] [2024-12-02 11:40:47,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:40:47,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:40:47,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:47,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829364354] [2024-12-02 11:40:47,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829364354] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:47,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:47,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:47,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539219694] [2024-12-02 11:40:47,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:47,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:47,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:47,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:47,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:47,299 INFO L87 Difference]: Start difference. First operand 237273 states and 382630 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:40:56,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:40:56,961 INFO L93 Difference]: Finished difference Result 655914 states and 1062648 transitions. [2024-12-02 11:40:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:40:56,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 239 [2024-12-02 11:40:56,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:40:58,344 INFO L225 Difference]: With dead ends: 655914 [2024-12-02 11:40:58,344 INFO L226 Difference]: Without dead ends: 437448 [2024-12-02 11:40:58,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:58,640 INFO L435 NwaCegarLoop]: 827 mSDtfsCounter, 147 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:40:58,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1645 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:40:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437448 states. [2024-12-02 11:41:11,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437448 to 437412. [2024-12-02 11:41:12,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437412 states, 377646 states have (on average 1.5458815928144347) internal successors, (583796), 377684 states have internal predecessors, (583796), 59554 states have call successors, (59554), 209 states have call predecessors, (59554), 211 states have return successors, (63019), 59530 states have call predecessors, (63019), 59550 states have call successors, (63019) [2024-12-02 11:41:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437412 states to 437412 states and 706369 transitions. [2024-12-02 11:41:13,899 INFO L78 Accepts]: Start accepts. Automaton has 437412 states and 706369 transitions. Word has length 239 [2024-12-02 11:41:13,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:41:13,899 INFO L471 AbstractCegarLoop]: Abstraction has 437412 states and 706369 transitions. [2024-12-02 11:41:13,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:41:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 437412 states and 706369 transitions. [2024-12-02 11:41:14,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-12-02 11:41:14,326 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:41:14,327 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:41:14,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 11:41:14,327 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:41:14,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:41:14,327 INFO L85 PathProgramCache]: Analyzing trace with hash 148204201, now seen corresponding path program 1 times [2024-12-02 11:41:14,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:41:14,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708503753] [2024-12-02 11:41:14,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:14,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:41:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:41:14,602 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:41:14,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:41:14,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708503753] [2024-12-02 11:41:14,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708503753] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:41:14,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:41:14,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:41:14,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449985636] [2024-12-02 11:41:14,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:41:14,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:41:14,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:41:14,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:41:14,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:41:14,605 INFO L87 Difference]: Start difference. First operand 437412 states and 706369 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:41:30,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:41:30,216 INFO L93 Difference]: Finished difference Result 825732 states and 1337349 transitions. [2024-12-02 11:41:30,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:41:30,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 240 [2024-12-02 11:41:30,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:41:32,606 INFO L225 Difference]: With dead ends: 825732 [2024-12-02 11:41:32,606 INFO L226 Difference]: Without dead ends: 824370 [2024-12-02 11:41:32,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:41:32,766 INFO L435 NwaCegarLoop]: 835 mSDtfsCounter, 141 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1660 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:41:32,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1660 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:41:33,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824370 states. [2024-12-02 11:41:56,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824370 to 824334. [2024-12-02 11:41:57,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824334 states, 714810 states have (on average 1.5441459968383207) internal successors, (1103771), 714848 states have internal predecessors, (1103771), 109312 states have call successors, (109312), 209 states have call predecessors, (109312), 211 states have return successors, (115915), 109288 states have call predecessors, (115915), 109308 states have call successors, (115915) [2024-12-02 11:41:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824334 states to 824334 states and 1328998 transitions. [2024-12-02 11:41:59,918 INFO L78 Accepts]: Start accepts. Automaton has 824334 states and 1328998 transitions. Word has length 240 [2024-12-02 11:41:59,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:41:59,919 INFO L471 AbstractCegarLoop]: Abstraction has 824334 states and 1328998 transitions. [2024-12-02 11:41:59,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 11:41:59,919 INFO L276 IsEmpty]: Start isEmpty. Operand 824334 states and 1328998 transitions. [2024-12-02 11:42:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-12-02 11:42:01,009 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:01,009 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:01,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 11:42:01,010 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:01,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:01,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1233961757, now seen corresponding path program 1 times [2024-12-02 11:42:01,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:01,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620455926] [2024-12-02 11:42:01,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:01,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 11:42:01,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:01,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620455926] [2024-12-02 11:42:01,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620455926] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:01,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:01,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:42:01,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95886780] [2024-12-02 11:42:01,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:01,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:42:01,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:01,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:42:01,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:42:01,221 INFO L87 Difference]: Start difference. First operand 824334 states and 1328998 transitions. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 3 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 11:42:17,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:17,262 INFO L93 Difference]: Finished difference Result 826558 states and 1332180 transitions. [2024-12-02 11:42:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:42:17,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 3 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 241 [2024-12-02 11:42:17,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:19,780 INFO L225 Difference]: With dead ends: 826558 [2024-12-02 11:42:19,780 INFO L226 Difference]: Without dead ends: 825458 [2024-12-02 11:42:19,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:42:19,948 INFO L435 NwaCegarLoop]: 891 mSDtfsCounter, 709 mSDsluCounter, 2881 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 3772 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:19,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 3772 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 11:42:20,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825458 states. [2024-12-02 11:42:42,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825458 to 825448. [2024-12-02 11:42:44,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825448 states, 715616 states have (on average 1.543952343156106) internal successors, (1104877), 715668 states have internal predecessors, (1104877), 109500 states have call successors, (109500), 321 states have call predecessors, (109500), 331 states have return successors, (116184), 109480 states have call predecessors, (116184), 109480 states have call successors, (116184)