./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product36.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_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 331c48a04a8caddf27498f6f02cdac644ba512a5bbe373bec7a9be0d5f3b8263 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:15:54,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:15:54,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:15:54,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:15:54,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:15:54,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:15:54,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:15:54,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:15:54,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:15:54,320 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:15:54,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:15:54,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:15:54,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:15:54,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:15:54,321 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:15:54,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:15:54,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:15:54,321 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:15:54,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:15:54,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:15:54,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:15:54,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:15:54,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:15:54,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:15:54,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:15:54,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:15:54,322 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:15:54,322 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:15:54,322 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:15:54,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:15:54,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:15:54,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:15:54,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:15:54,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:15:54,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:15:54,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:15:54,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:15:54,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:15:54,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:15:54,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:15:54,324 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:15:54,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:15:54,324 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:15:54,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:15:54,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:15:54,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:15:54,324 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:15:54,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:15:54,325 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_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 331c48a04a8caddf27498f6f02cdac644ba512a5bbe373bec7a9be0d5f3b8263 [2024-11-28 05:15:54,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:15:54,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:15:54,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:15:54,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:15:54,639 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:15:54,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2024-11-28 05:15:57,623 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/data/669baaeae/771632ce6ab94022b0eb06249227a07d/FLAG53ca66cc8 [2024-11-28 05:15:58,019 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:15:58,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2024-11-28 05:15:58,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/data/669baaeae/771632ce6ab94022b0eb06249227a07d/FLAG53ca66cc8 [2024-11-28 05:15:58,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/data/669baaeae/771632ce6ab94022b0eb06249227a07d [2024-11-28 05:15:58,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:15:58,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:15:58,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:15:58,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:15:58,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:15:58,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:15:58" (1/1) ... [2024-11-28 05:15:58,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24828998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:58, skipping insertion in model container [2024-11-28 05:15:58,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:15:58" (1/1) ... [2024-11-28 05:15:58,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:15:58,623 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_1bf66525-8b30-4ca4-82ee-807fafd3e16c/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c[12529,12542] [2024-11-28 05:15:58,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:15:58,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:15:59,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-11-28 05:15:59,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [97] [2024-11-28 05:15:59,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [463] [2024-11-28 05:15:59,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [481] [2024-11-28 05:15:59,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [490] [2024-11-28 05:15:59,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1570] [2024-11-28 05:15:59,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1641] [2024-11-28 05:15:59,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1881] [2024-11-28 05:15:59,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2288] [2024-11-28 05:15:59,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2307] [2024-11-28 05:15:59,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2509] [2024-11-28 05:15:59,075 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_1bf66525-8b30-4ca4-82ee-807fafd3e16c/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c[12529,12542] [2024-11-28 05:15:59,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:15:59,228 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:15:59,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59 WrapperNode [2024-11-28 05:15:59,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:15:59,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:15:59,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:15:59,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:15:59,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,318 INFO L138 Inliner]: procedures = 113, calls = 136, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 695 [2024-11-28 05:15:59,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:15:59,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:15:59,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:15:59,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:15:59,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,375 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 0 writes are split as follows [0, 0]. [2024-11-28 05:15:59,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,406 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:15:59,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:15:59,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:15:59,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:15:59,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (1/1) ... [2024-11-28 05:15:59,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:15:59,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:59,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:15:59,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:15:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-28 05:15:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-28 05:15:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-28 05:15:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-28 05:15:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-28 05:15:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-28 05:15:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-28 05:15:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-28 05:15:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-28 05:15:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-28 05:15:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-28 05:15:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-28 05:15:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-28 05:15:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-28 05:15:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-28 05:15:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-28 05:15:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-28 05:15:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-28 05:15:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:15:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-28 05:15:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-28 05:15:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-28 05:15:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-28 05:15:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-28 05:15:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-28 05:15:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-28 05:15:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-28 05:15:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:15:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:15:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-28 05:15:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-28 05:15:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:15:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:15:59,787 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:15:59,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:16:00,558 INFO L? ?]: Removed 301 outVars from TransFormulas that were not future-live. [2024-11-28 05:16:00,558 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:16:00,584 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:16:00,587 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:16:00,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:00 BoogieIcfgContainer [2024-11-28 05:16:00,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:16:00,590 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:16:00,590 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:16:00,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:16:00,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:15:58" (1/3) ... [2024-11-28 05:16:00,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3999875a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:00, skipping insertion in model container [2024-11-28 05:16:00,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:59" (2/3) ... [2024-11-28 05:16:00,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3999875a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:00, skipping insertion in model container [2024-11-28 05:16:00,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:00" (3/3) ... [2024-11-28 05:16:00,600 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec0_product36.cil.c [2024-11-28 05:16:00,615 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:16:00,618 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec0_product36.cil.c that has 15 procedures, 231 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:16:00,746 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:16:00,761 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;@13f36561, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:16:00,762 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:16:00,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 184 states have (on average 1.5543478260869565) internal successors, (286), 187 states have internal predecessors, (286), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-28 05:16:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-28 05:16:00,786 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:00,787 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:16:00,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:00,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:00,793 INFO L85 PathProgramCache]: Analyzing trace with hash -2065165878, now seen corresponding path program 1 times [2024-11-28 05:16:00,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:00,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58616066] [2024-11-28 05:16:00,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:00,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-28 05:16:01,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:01,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58616066] [2024-11-28 05:16:01,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58616066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:16:01,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490628110] [2024-11-28 05:16:01,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:01,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:01,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:01,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:16:01,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:16:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:02,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:16:02,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:16:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-28 05:16:02,121 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:16:02,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490628110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:02,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:16:02,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 05:16:02,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131012908] [2024-11-28 05:16:02,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:02,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:02,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:02,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:02,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:16:02,162 INFO L87 Difference]: Start difference. First operand has 231 states, 184 states have (on average 1.5543478260869565) internal successors, (286), 187 states have internal predecessors, (286), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:02,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:02,277 INFO L93 Difference]: Finished difference Result 371 states and 549 transitions. [2024-11-28 05:16:02,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:02,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 88 [2024-11-28 05:16:02,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:02,296 INFO L225 Difference]: With dead ends: 371 [2024-11-28 05:16:02,297 INFO L226 Difference]: Without dead ends: 226 [2024-11-28 05:16:02,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:16:02,306 INFO L435 NwaCegarLoop]: 342 mSDtfsCounter, 1 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:02,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 681 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:02,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-28 05:16:02,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 225. [2024-11-28 05:16:02,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 179 states have (on average 1.541899441340782) internal successors, (276), 181 states have internal predecessors, (276), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 05:16:02,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 337 transitions. [2024-11-28 05:16:02,396 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 337 transitions. Word has length 88 [2024-11-28 05:16:02,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:02,401 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 337 transitions. [2024-11-28 05:16:02,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 337 transitions. [2024-11-28 05:16:02,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 05:16:02,412 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:02,413 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:16:02,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:16:02,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 05:16:02,614 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:02,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:02,616 INFO L85 PathProgramCache]: Analyzing trace with hash 660306243, now seen corresponding path program 1 times [2024-11-28 05:16:02,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:02,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918368144] [2024-11-28 05:16:02,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:02,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 05:16:03,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:03,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918368144] [2024-11-28 05:16:03,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918368144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:16:03,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237090358] [2024-11-28 05:16:03,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:03,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:03,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:03,038 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:16:03,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:16:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:03,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:16:03,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:16:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 05:16:03,544 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:16:03,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237090358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:03,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:16:03,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-28 05:16:03,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56797977] [2024-11-28 05:16:03,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:03,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:03,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:03,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:03,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:16:03,547 INFO L87 Difference]: Start difference. First operand 225 states and 337 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:16:03,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:03,653 INFO L93 Difference]: Finished difference Result 443 states and 667 transitions. [2024-11-28 05:16:03,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:03,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 92 [2024-11-28 05:16:03,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:03,657 INFO L225 Difference]: With dead ends: 443 [2024-11-28 05:16:03,660 INFO L226 Difference]: Without dead ends: 227 [2024-11-28 05:16:03,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:16:03,663 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 2 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:03,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1301 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:03,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-28 05:16:03,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2024-11-28 05:16:03,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 180 states have (on average 1.538888888888889) internal successors, (277), 183 states have internal predecessors, (277), 31 states have call successors, (31), 14 states have call predecessors, (31), 15 states have return successors, (32), 29 states have call predecessors, (32), 30 states have call successors, (32) [2024-11-28 05:16:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 340 transitions. [2024-11-28 05:16:03,702 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 340 transitions. Word has length 92 [2024-11-28 05:16:03,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:03,703 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 340 transitions. [2024-11-28 05:16:03,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:16:03,703 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 340 transitions. [2024-11-28 05:16:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-28 05:16:03,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:03,706 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:03,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:16:03,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-28 05:16:03,907 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:03,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:03,908 INFO L85 PathProgramCache]: Analyzing trace with hash -76748373, now seen corresponding path program 1 times [2024-11-28 05:16:03,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:03,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702542097] [2024-11-28 05:16:03,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:03,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 05:16:04,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:04,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702542097] [2024-11-28 05:16:04,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702542097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:04,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:04,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:16:04,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253416312] [2024-11-28 05:16:04,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:04,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:04,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:04,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:04,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:04,239 INFO L87 Difference]: Start difference. First operand 227 states and 340 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:16:04,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:04,322 INFO L93 Difference]: Finished difference Result 435 states and 655 transitions. [2024-11-28 05:16:04,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:04,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 93 [2024-11-28 05:16:04,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:04,326 INFO L225 Difference]: With dead ends: 435 [2024-11-28 05:16:04,326 INFO L226 Difference]: Without dead ends: 227 [2024-11-28 05:16:04,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:04,328 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 2 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:04,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1305 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:04,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-28 05:16:04,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2024-11-28 05:16:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 180 states have (on average 1.538888888888889) internal successors, (277), 183 states have internal predecessors, (277), 31 states have call successors, (31), 14 states have call predecessors, (31), 15 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) [2024-11-28 05:16:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 339 transitions. [2024-11-28 05:16:04,361 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 339 transitions. Word has length 93 [2024-11-28 05:16:04,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:04,362 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 339 transitions. [2024-11-28 05:16:04,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:16:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 339 transitions. [2024-11-28 05:16:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 05:16:04,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:04,368 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:16:04,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:16:04,368 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:04,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:04,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1604770467, now seen corresponding path program 2 times [2024-11-28 05:16:04,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:04,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783800267] [2024-11-28 05:16:04,369 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:16:04,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:04,415 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:16:04,416 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:16:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-28 05:16:04,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:04,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783800267] [2024-11-28 05:16:04,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783800267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:04,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:04,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:16:04,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701076648] [2024-11-28 05:16:04,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:04,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:04,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:04,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:04,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:04,580 INFO L87 Difference]: Start difference. First operand 227 states and 339 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:16:04,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:04,684 INFO L93 Difference]: Finished difference Result 488 states and 744 transitions. [2024-11-28 05:16:04,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:04,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 94 [2024-11-28 05:16:04,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:04,691 INFO L225 Difference]: With dead ends: 488 [2024-11-28 05:16:04,691 INFO L226 Difference]: Without dead ends: 364 [2024-11-28 05:16:04,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:16:04,693 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 302 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:04,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1227 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:04,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-28 05:16:04,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-11-28 05:16:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 296 states have (on average 1.6013513513513513) internal successors, (474), 301 states have internal predecessors, (474), 45 states have call successors, (45), 24 states have call predecessors, (45), 22 states have return successors, (45), 38 states have call predecessors, (45), 44 states have call successors, (45) [2024-11-28 05:16:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 564 transitions. [2024-11-28 05:16:04,722 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 564 transitions. Word has length 94 [2024-11-28 05:16:04,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:04,723 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 564 transitions. [2024-11-28 05:16:04,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:16:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 564 transitions. [2024-11-28 05:16:04,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 05:16:04,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:04,728 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:16:04,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:16:04,728 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:04,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:04,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1759960243, now seen corresponding path program 1 times [2024-11-28 05:16:04,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:04,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247218263] [2024-11-28 05:16:04,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:04,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 05:16:04,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:04,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247218263] [2024-11-28 05:16:04,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247218263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:04,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:04,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:16:04,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332836381] [2024-11-28 05:16:04,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:04,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:04,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:04,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:04,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:04,921 INFO L87 Difference]: Start difference. First operand 364 states and 564 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:16:05,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:05,013 INFO L93 Difference]: Finished difference Result 711 states and 1108 transitions. [2024-11-28 05:16:05,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:05,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 95 [2024-11-28 05:16:05,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:05,017 INFO L225 Difference]: With dead ends: 711 [2024-11-28 05:16:05,017 INFO L226 Difference]: Without dead ends: 366 [2024-11-28 05:16:05,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:05,023 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 1 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:05,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1308 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:05,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-28 05:16:05,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2024-11-28 05:16:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 297 states have (on average 1.5993265993265993) internal successors, (475), 303 states have internal predecessors, (475), 45 states have call successors, (45), 24 states have call predecessors, (45), 23 states have return successors, (47), 38 states have call predecessors, (47), 44 states have call successors, (47) [2024-11-28 05:16:05,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 567 transitions. [2024-11-28 05:16:05,060 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 567 transitions. Word has length 95 [2024-11-28 05:16:05,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:05,061 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 567 transitions. [2024-11-28 05:16:05,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:16:05,061 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 567 transitions. [2024-11-28 05:16:05,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 05:16:05,066 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:05,066 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:05,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:16:05,067 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:05,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:05,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1985744208, now seen corresponding path program 1 times [2024-11-28 05:16:05,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:05,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183044820] [2024-11-28 05:16:05,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:05,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:05,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:05,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183044820] [2024-11-28 05:16:05,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183044820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:16:05,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590278691] [2024-11-28 05:16:05,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:05,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:05,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:05,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:16:05,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:16:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:05,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:16:05,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:16:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:05,639 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:16:05,747 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:05,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590278691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:16:05,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:16:05,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 05:16:05,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903381093] [2024-11-28 05:16:05,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:16:05,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:16:05,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:05,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:16:05,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:16:05,749 INFO L87 Difference]: Start difference. First operand 366 states and 567 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:16:05,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:05,863 INFO L93 Difference]: Finished difference Result 853 states and 1361 transitions. [2024-11-28 05:16:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:16:05,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 96 [2024-11-28 05:16:05,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:05,869 INFO L225 Difference]: With dead ends: 853 [2024-11-28 05:16:05,870 INFO L226 Difference]: Without dead ends: 657 [2024-11-28 05:16:05,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:16:05,872 INFO L435 NwaCegarLoop]: 348 mSDtfsCounter, 535 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:05,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 961 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:16:05,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-28 05:16:05,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 629. [2024-11-28 05:16:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 545 states have (on average 1.693577981651376) internal successors, (923), 551 states have internal predecessors, (923), 60 states have call successors, (60), 24 states have call predecessors, (60), 23 states have return successors, (62), 53 states have call predecessors, (62), 59 states have call successors, (62) [2024-11-28 05:16:05,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 1045 transitions. [2024-11-28 05:16:05,920 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 1045 transitions. Word has length 96 [2024-11-28 05:16:05,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:05,920 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 1045 transitions. [2024-11-28 05:16:05,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:16:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1045 transitions. [2024-11-28 05:16:05,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 05:16:05,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:05,924 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:05,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 05:16:06,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf66525-8b30-4ca4-82ee-807fafd3e16c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:06,128 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:06,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:06,129 INFO L85 PathProgramCache]: Analyzing trace with hash 975826628, now seen corresponding path program 1 times [2024-11-28 05:16:06,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:06,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394954424] [2024-11-28 05:16:06,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:06,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:06,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:06,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394954424] [2024-11-28 05:16:06,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394954424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:06,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:06,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:06,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348597366] [2024-11-28 05:16:06,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:06,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:06,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:06,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:06,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:06,232 INFO L87 Difference]: Start difference. First operand 629 states and 1045 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:06,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:06,282 INFO L93 Difference]: Finished difference Result 1500 states and 2538 transitions. [2024-11-28 05:16:06,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:06,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 104 [2024-11-28 05:16:06,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:06,293 INFO L225 Difference]: With dead ends: 1500 [2024-11-28 05:16:06,294 INFO L226 Difference]: Without dead ends: 898 [2024-11-28 05:16:06,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:06,298 INFO L435 NwaCegarLoop]: 336 mSDtfsCounter, 92 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:06,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 667 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:06,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-28 05:16:06,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 888. [2024-11-28 05:16:06,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 789 states have (on average 1.7198986058301649) internal successors, (1357), 795 states have internal predecessors, (1357), 75 states have call successors, (75), 24 states have call predecessors, (75), 23 states have return successors, (77), 68 states have call predecessors, (77), 74 states have call successors, (77) [2024-11-28 05:16:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1509 transitions. [2024-11-28 05:16:06,373 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1509 transitions. Word has length 104 [2024-11-28 05:16:06,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:06,374 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1509 transitions. [2024-11-28 05:16:06,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:06,375 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1509 transitions. [2024-11-28 05:16:06,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 05:16:06,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:06,380 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:06,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:16:06,381 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:06,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:06,383 INFO L85 PathProgramCache]: Analyzing trace with hash -2073750101, now seen corresponding path program 1 times [2024-11-28 05:16:06,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:06,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180924534] [2024-11-28 05:16:06,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:06,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:06,461 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:06,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:06,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180924534] [2024-11-28 05:16:06,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180924534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:06,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:06,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:06,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219555657] [2024-11-28 05:16:06,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:06,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:06,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:06,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:06,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:06,463 INFO L87 Difference]: Start difference. First operand 888 states and 1509 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:06,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:06,511 INFO L93 Difference]: Finished difference Result 2115 states and 3649 transitions. [2024-11-28 05:16:06,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:06,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 105 [2024-11-28 05:16:06,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:06,519 INFO L225 Difference]: With dead ends: 2115 [2024-11-28 05:16:06,519 INFO L226 Difference]: Without dead ends: 1271 [2024-11-28 05:16:06,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:06,522 INFO L435 NwaCegarLoop]: 342 mSDtfsCounter, 90 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:06,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 666 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:06,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2024-11-28 05:16:06,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1261. [2024-11-28 05:16:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1138 states have (on average 1.7381370826010545) internal successors, (1978), 1144 states have internal predecessors, (1978), 99 states have call successors, (99), 24 states have call predecessors, (99), 23 states have return successors, (101), 92 states have call predecessors, (101), 98 states have call successors, (101) [2024-11-28 05:16:06,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 2178 transitions. [2024-11-28 05:16:06,585 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 2178 transitions. Word has length 105 [2024-11-28 05:16:06,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:06,585 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 2178 transitions. [2024-11-28 05:16:06,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:06,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 2178 transitions. [2024-11-28 05:16:06,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 05:16:06,591 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:06,591 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:06,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:16:06,592 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:06,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:06,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2097988478, now seen corresponding path program 1 times [2024-11-28 05:16:06,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:06,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677758053] [2024-11-28 05:16:06,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:06,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:06,692 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:06,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:06,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677758053] [2024-11-28 05:16:06,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677758053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:06,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:06,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:06,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599327247] [2024-11-28 05:16:06,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:06,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:06,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:06,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:06,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:06,694 INFO L87 Difference]: Start difference. First operand 1261 states and 2178 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:06,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:06,768 INFO L93 Difference]: Finished difference Result 3112 states and 5433 transitions. [2024-11-28 05:16:06,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:06,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 106 [2024-11-28 05:16:06,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:06,780 INFO L225 Difference]: With dead ends: 3112 [2024-11-28 05:16:06,780 INFO L226 Difference]: Without dead ends: 1912 [2024-11-28 05:16:06,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:06,785 INFO L435 NwaCegarLoop]: 342 mSDtfsCounter, 88 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:06,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 674 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:06,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2024-11-28 05:16:06,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1902. [2024-11-28 05:16:06,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1740 states have (on average 1.7436781609195402) internal successors, (3034), 1746 states have internal predecessors, (3034), 138 states have call successors, (138), 24 states have call predecessors, (138), 23 states have return successors, (140), 131 states have call predecessors, (140), 137 states have call successors, (140) [2024-11-28 05:16:06,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 3312 transitions. [2024-11-28 05:16:06,895 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 3312 transitions. Word has length 106 [2024-11-28 05:16:06,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:06,896 INFO L471 AbstractCegarLoop]: Abstraction has 1902 states and 3312 transitions. [2024-11-28 05:16:06,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3312 transitions. [2024-11-28 05:16:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 05:16:06,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:06,904 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:06,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:16:06,905 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:06,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:06,905 INFO L85 PathProgramCache]: Analyzing trace with hash 620257881, now seen corresponding path program 1 times [2024-11-28 05:16:06,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:06,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188062694] [2024-11-28 05:16:06,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:06,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:06,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:06,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188062694] [2024-11-28 05:16:06,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188062694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:06,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:06,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:06,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934881689] [2024-11-28 05:16:06,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:06,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:06,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:06,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:06,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:06,997 INFO L87 Difference]: Start difference. First operand 1902 states and 3312 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:07,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:07,102 INFO L93 Difference]: Finished difference Result 4778 states and 8394 transitions. [2024-11-28 05:16:07,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:07,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 107 [2024-11-28 05:16:07,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:07,119 INFO L225 Difference]: With dead ends: 4778 [2024-11-28 05:16:07,120 INFO L226 Difference]: Without dead ends: 2981 [2024-11-28 05:16:07,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:07,126 INFO L435 NwaCegarLoop]: 335 mSDtfsCounter, 86 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:07,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 666 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:07,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2981 states. [2024-11-28 05:16:07,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2981 to 2971. [2024-11-28 05:16:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2971 states, 2743 states have (on average 1.7444403937294932) internal successors, (4785), 2749 states have internal predecessors, (4785), 204 states have call successors, (204), 24 states have call predecessors, (204), 23 states have return successors, (206), 197 states have call predecessors, (206), 203 states have call successors, (206) [2024-11-28 05:16:07,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 5195 transitions. [2024-11-28 05:16:07,312 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 5195 transitions. Word has length 107 [2024-11-28 05:16:07,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:07,312 INFO L471 AbstractCegarLoop]: Abstraction has 2971 states and 5195 transitions. [2024-11-28 05:16:07,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:07,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 5195 transitions. [2024-11-28 05:16:07,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 05:16:07,326 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:07,326 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:07,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:16:07,327 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:07,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:07,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1312456411, now seen corresponding path program 2 times [2024-11-28 05:16:07,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:07,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567321790] [2024-11-28 05:16:07,328 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:16:07,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:07,362 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:16:07,363 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:16:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-28 05:16:07,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:07,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567321790] [2024-11-28 05:16:07,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567321790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:07,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:07,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:16:07,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826267935] [2024-11-28 05:16:07,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:07,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:16:07,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:07,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:16:07,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:16:07,481 INFO L87 Difference]: Start difference. First operand 2971 states and 5195 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:07,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:07,651 INFO L93 Difference]: Finished difference Result 3111 states and 5395 transitions. [2024-11-28 05:16:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:16:07,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 108 [2024-11-28 05:16:07,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:07,671 INFO L225 Difference]: With dead ends: 3111 [2024-11-28 05:16:07,671 INFO L226 Difference]: Without dead ends: 2985 [2024-11-28 05:16:07,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:16:07,675 INFO L435 NwaCegarLoop]: 326 mSDtfsCounter, 21 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1606 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:07,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 1606 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:16:07,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2024-11-28 05:16:07,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2980. [2024-11-28 05:16:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2980 states, 2749 states have (on average 1.7431793379410694) internal successors, (4792), 2755 states have internal predecessors, (4792), 207 states have call successors, (207), 24 states have call predecessors, (207), 23 states have return successors, (209), 200 states have call predecessors, (209), 206 states have call successors, (209) [2024-11-28 05:16:07,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2980 states and 5208 transitions. [2024-11-28 05:16:07,820 INFO L78 Accepts]: Start accepts. Automaton has 2980 states and 5208 transitions. Word has length 108 [2024-11-28 05:16:07,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:07,821 INFO L471 AbstractCegarLoop]: Abstraction has 2980 states and 5208 transitions. [2024-11-28 05:16:07,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 5208 transitions. [2024-11-28 05:16:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 05:16:07,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:07,835 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:07,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:16:07,836 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:07,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:07,836 INFO L85 PathProgramCache]: Analyzing trace with hash 791264814, now seen corresponding path program 1 times [2024-11-28 05:16:07,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:07,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990958873] [2024-11-28 05:16:07,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:07,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-28 05:16:07,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:07,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990958873] [2024-11-28 05:16:07,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990958873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:07,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:08,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:16:08,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577615187] [2024-11-28 05:16:08,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:08,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:08,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:08,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:08,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:08,001 INFO L87 Difference]: Start difference. First operand 2980 states and 5208 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:08,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:08,138 INFO L93 Difference]: Finished difference Result 5135 states and 8978 transitions. [2024-11-28 05:16:08,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:08,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 109 [2024-11-28 05:16:08,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:08,154 INFO L225 Difference]: With dead ends: 5135 [2024-11-28 05:16:08,154 INFO L226 Difference]: Without dead ends: 2990 [2024-11-28 05:16:08,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:08,160 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 91 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1632 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:08,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 1632 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:08,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2024-11-28 05:16:08,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2980. [2024-11-28 05:16:08,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2980 states, 2749 states have (on average 1.7351764277919244) internal successors, (4770), 2755 states have internal predecessors, (4770), 207 states have call successors, (207), 24 states have call predecessors, (207), 23 states have return successors, (209), 200 states have call predecessors, (209), 206 states have call successors, (209) [2024-11-28 05:16:08,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2980 states and 5186 transitions. [2024-11-28 05:16:08,302 INFO L78 Accepts]: Start accepts. Automaton has 2980 states and 5186 transitions. Word has length 109 [2024-11-28 05:16:08,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:08,302 INFO L471 AbstractCegarLoop]: Abstraction has 2980 states and 5186 transitions. [2024-11-28 05:16:08,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:08,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 5186 transitions. [2024-11-28 05:16:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 05:16:08,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:08,315 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:08,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 05:16:08,315 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:08,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:08,316 INFO L85 PathProgramCache]: Analyzing trace with hash 362875635, now seen corresponding path program 1 times [2024-11-28 05:16:08,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:08,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560513835] [2024-11-28 05:16:08,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:08,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:08,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:08,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560513835] [2024-11-28 05:16:08,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560513835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:08,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:08,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:08,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619031335] [2024-11-28 05:16:08,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:08,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:08,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:08,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:08,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:08,395 INFO L87 Difference]: Start difference. First operand 2980 states and 5186 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:08,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:08,549 INFO L93 Difference]: Finished difference Result 7654 states and 13425 transitions. [2024-11-28 05:16:08,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:08,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 109 [2024-11-28 05:16:08,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:08,575 INFO L225 Difference]: With dead ends: 7654 [2024-11-28 05:16:08,575 INFO L226 Difference]: Without dead ends: 4852 [2024-11-28 05:16:08,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:08,584 INFO L435 NwaCegarLoop]: 342 mSDtfsCounter, 84 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:08,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 674 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:08,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4852 states. [2024-11-28 05:16:08,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4852 to 4842. [2024-11-28 05:16:08,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4842 states, 4494 states have (on average 1.7331998219848688) internal successors, (7789), 4500 states have internal predecessors, (7789), 324 states have call successors, (324), 24 states have call predecessors, (324), 23 states have return successors, (326), 317 states have call predecessors, (326), 323 states have call successors, (326) [2024-11-28 05:16:08,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4842 states to 4842 states and 8439 transitions. [2024-11-28 05:16:08,878 INFO L78 Accepts]: Start accepts. Automaton has 4842 states and 8439 transitions. Word has length 109 [2024-11-28 05:16:08,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:08,878 INFO L471 AbstractCegarLoop]: Abstraction has 4842 states and 8439 transitions. [2024-11-28 05:16:08,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:08,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4842 states and 8439 transitions. [2024-11-28 05:16:08,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 05:16:08,899 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:08,899 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:08,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 05:16:08,900 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:08,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:08,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1426390280, now seen corresponding path program 1 times [2024-11-28 05:16:08,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:08,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031981756] [2024-11-28 05:16:08,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:08,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:08,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:08,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031981756] [2024-11-28 05:16:08,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031981756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:08,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:08,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:08,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787781074] [2024-11-28 05:16:08,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:08,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:08,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:08,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:08,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:08,999 INFO L87 Difference]: Start difference. First operand 4842 states and 8439 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:09,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:09,238 INFO L93 Difference]: Finished difference Result 12167 states and 21475 transitions. [2024-11-28 05:16:09,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:09,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 110 [2024-11-28 05:16:09,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:09,303 INFO L225 Difference]: With dead ends: 12167 [2024-11-28 05:16:09,303 INFO L226 Difference]: Without dead ends: 8024 [2024-11-28 05:16:09,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:09,316 INFO L435 NwaCegarLoop]: 335 mSDtfsCounter, 82 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:09,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 658 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:09,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8024 states. [2024-11-28 05:16:09,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8024 to 8014. [2024-11-28 05:16:09,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8014 states, 7432 states have (on average 1.7404467168998923) internal successors, (12935), 7438 states have internal predecessors, (12935), 558 states have call successors, (558), 24 states have call predecessors, (558), 23 states have return successors, (560), 551 states have call predecessors, (560), 557 states have call successors, (560) [2024-11-28 05:16:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8014 states to 8014 states and 14053 transitions. [2024-11-28 05:16:09,855 INFO L78 Accepts]: Start accepts. Automaton has 8014 states and 14053 transitions. Word has length 110 [2024-11-28 05:16:09,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:09,856 INFO L471 AbstractCegarLoop]: Abstraction has 8014 states and 14053 transitions. [2024-11-28 05:16:09,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:09,857 INFO L276 IsEmpty]: Start isEmpty. Operand 8014 states and 14053 transitions. [2024-11-28 05:16:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 05:16:09,893 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:09,893 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:09,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 05:16:09,893 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:09,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:09,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1590065013, now seen corresponding path program 1 times [2024-11-28 05:16:09,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:09,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345461560] [2024-11-28 05:16:09,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:09,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:09,994 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:09,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:09,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345461560] [2024-11-28 05:16:09,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345461560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:09,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:09,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:09,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171618905] [2024-11-28 05:16:09,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:09,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:09,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:09,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:09,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:09,997 INFO L87 Difference]: Start difference. First operand 8014 states and 14053 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:10,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:10,412 INFO L93 Difference]: Finished difference Result 21369 states and 37717 transitions. [2024-11-28 05:16:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:10,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 111 [2024-11-28 05:16:10,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:10,526 INFO L225 Difference]: With dead ends: 21369 [2024-11-28 05:16:10,527 INFO L226 Difference]: Without dead ends: 14062 [2024-11-28 05:16:10,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:10,542 INFO L435 NwaCegarLoop]: 342 mSDtfsCounter, 80 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:10,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 674 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:10,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14062 states. [2024-11-28 05:16:11,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14062 to 14052. [2024-11-28 05:16:11,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14052 states, 13056 states have (on average 1.7318474264705883) internal successors, (22611), 13062 states have internal predecessors, (22611), 972 states have call successors, (972), 24 states have call predecessors, (972), 23 states have return successors, (974), 965 states have call predecessors, (974), 971 states have call successors, (974) [2024-11-28 05:16:11,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14052 states to 14052 states and 24557 transitions. [2024-11-28 05:16:11,166 INFO L78 Accepts]: Start accepts. Automaton has 14052 states and 24557 transitions. Word has length 111 [2024-11-28 05:16:11,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:11,167 INFO L471 AbstractCegarLoop]: Abstraction has 14052 states and 24557 transitions. [2024-11-28 05:16:11,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:11,167 INFO L276 IsEmpty]: Start isEmpty. Operand 14052 states and 24557 transitions. [2024-11-28 05:16:11,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 05:16:11,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:11,295 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:11,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 05:16:11,296 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:11,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:11,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1218501750, now seen corresponding path program 1 times [2024-11-28 05:16:11,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:11,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902296072] [2024-11-28 05:16:11,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:11,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:11,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:11,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902296072] [2024-11-28 05:16:11,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902296072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:11,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:11,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:11,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086143529] [2024-11-28 05:16:11,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:11,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:11,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:11,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:11,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:11,375 INFO L87 Difference]: Start difference. First operand 14052 states and 24557 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:11,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:11,852 INFO L93 Difference]: Finished difference Result 32978 states and 57506 transitions. [2024-11-28 05:16:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:11,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 112 [2024-11-28 05:16:11,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:11,935 INFO L225 Difference]: With dead ends: 32978 [2024-11-28 05:16:11,935 INFO L226 Difference]: Without dead ends: 20731 [2024-11-28 05:16:11,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:11,969 INFO L435 NwaCegarLoop]: 335 mSDtfsCounter, 78 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:11,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 636 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:12,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20731 states. [2024-11-28 05:16:12,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20731 to 20721. [2024-11-28 05:16:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20721 states, 19725 states have (on average 1.7064638783269963) internal successors, (33660), 19731 states have internal predecessors, (33660), 972 states have call successors, (972), 24 states have call predecessors, (972), 23 states have return successors, (974), 965 states have call predecessors, (974), 971 states have call successors, (974) [2024-11-28 05:16:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20721 states to 20721 states and 35606 transitions. [2024-11-28 05:16:13,097 INFO L78 Accepts]: Start accepts. Automaton has 20721 states and 35606 transitions. Word has length 112 [2024-11-28 05:16:13,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:13,097 INFO L471 AbstractCegarLoop]: Abstraction has 20721 states and 35606 transitions. [2024-11-28 05:16:13,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:13,097 INFO L276 IsEmpty]: Start isEmpty. Operand 20721 states and 35606 transitions. [2024-11-28 05:16:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 05:16:13,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:13,165 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:13,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 05:16:13,166 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:13,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:13,167 INFO L85 PathProgramCache]: Analyzing trace with hash -53479817, now seen corresponding path program 1 times [2024-11-28 05:16:13,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:13,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231239485] [2024-11-28 05:16:13,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:13,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:13,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:13,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231239485] [2024-11-28 05:16:13,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231239485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:13,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:13,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:13,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986424973] [2024-11-28 05:16:13,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:13,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:13,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:13,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:13,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:13,292 INFO L87 Difference]: Start difference. First operand 20721 states and 35606 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:14,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:14,166 INFO L93 Difference]: Finished difference Result 56784 states and 97860 transitions. [2024-11-28 05:16:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:14,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 113 [2024-11-28 05:16:14,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:14,320 INFO L225 Difference]: With dead ends: 56784 [2024-11-28 05:16:14,321 INFO L226 Difference]: Without dead ends: 38266 [2024-11-28 05:16:14,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:14,363 INFO L435 NwaCegarLoop]: 342 mSDtfsCounter, 76 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:14,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 674 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:14,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38266 states. [2024-11-28 05:16:15,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38266 to 38256. [2024-11-28 05:16:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38256 states, 36459 states have (on average 1.6919553471022244) internal successors, (61687), 36465 states have internal predecessors, (61687), 1773 states have call successors, (1773), 24 states have call predecessors, (1773), 23 states have return successors, (1775), 1766 states have call predecessors, (1775), 1772 states have call successors, (1775) [2024-11-28 05:16:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38256 states to 38256 states and 65235 transitions. [2024-11-28 05:16:15,932 INFO L78 Accepts]: Start accepts. Automaton has 38256 states and 65235 transitions. Word has length 113 [2024-11-28 05:16:15,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:15,933 INFO L471 AbstractCegarLoop]: Abstraction has 38256 states and 65235 transitions. [2024-11-28 05:16:15,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 38256 states and 65235 transitions. [2024-11-28 05:16:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 05:16:16,018 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:16,019 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:16,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 05:16:16,019 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:16,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:16,019 INFO L85 PathProgramCache]: Analyzing trace with hash -2102145840, now seen corresponding path program 1 times [2024-11-28 05:16:16,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:16,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556129759] [2024-11-28 05:16:16,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:16,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:16,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:16,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556129759] [2024-11-28 05:16:16,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556129759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:16,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:16,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:16,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828404541] [2024-11-28 05:16:16,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:16,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:16,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:16,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:16,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:16,122 INFO L87 Difference]: Start difference. First operand 38256 states and 65235 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:17,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:17,651 INFO L93 Difference]: Finished difference Result 107642 states and 183811 transitions. [2024-11-28 05:16:17,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:17,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 114 [2024-11-28 05:16:17,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:17,974 INFO L225 Difference]: With dead ends: 107642 [2024-11-28 05:16:17,974 INFO L226 Difference]: Without dead ends: 72248 [2024-11-28 05:16:18,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:18,043 INFO L435 NwaCegarLoop]: 335 mSDtfsCounter, 74 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:18,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 666 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:18,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72248 states. [2024-11-28 05:16:20,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72248 to 72238. [2024-11-28 05:16:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72238 states, 68869 states have (on average 1.6753546588450536) internal successors, (115380), 68875 states have internal predecessors, (115380), 3345 states have call successors, (3345), 24 states have call predecessors, (3345), 23 states have return successors, (3347), 3338 states have call predecessors, (3347), 3344 states have call successors, (3347) [2024-11-28 05:16:20,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72238 states to 72238 states and 122072 transitions. [2024-11-28 05:16:20,958 INFO L78 Accepts]: Start accepts. Automaton has 72238 states and 122072 transitions. Word has length 114 [2024-11-28 05:16:20,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:20,958 INFO L471 AbstractCegarLoop]: Abstraction has 72238 states and 122072 transitions. [2024-11-28 05:16:20,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 72238 states and 122072 transitions. [2024-11-28 05:16:21,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 05:16:21,223 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:21,223 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:21,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 05:16:21,224 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:21,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:21,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1618374265, now seen corresponding path program 1 times [2024-11-28 05:16:21,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:21,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146696881] [2024-11-28 05:16:21,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:21,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:21,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:21,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146696881] [2024-11-28 05:16:21,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146696881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:21,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:21,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:21,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650540836] [2024-11-28 05:16:21,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:21,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:21,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:21,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:21,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:21,333 INFO L87 Difference]: Start difference. First operand 72238 states and 122072 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:23,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:23,738 INFO L93 Difference]: Finished difference Result 138290 states and 233453 transitions. [2024-11-28 05:16:23,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:23,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 115 [2024-11-28 05:16:23,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:24,321 INFO L225 Difference]: With dead ends: 138290 [2024-11-28 05:16:24,321 INFO L226 Difference]: Without dead ends: 138085 [2024-11-28 05:16:24,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:24,359 INFO L435 NwaCegarLoop]: 344 mSDtfsCounter, 70 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:24,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 678 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:24,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138085 states. [2024-11-28 05:16:28,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138085 to 138075. [2024-11-28 05:16:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138075 states, 131595 states have (on average 1.6573502032752003) internal successors, (218099), 131601 states have internal predecessors, (218099), 6456 states have call successors, (6456), 24 states have call predecessors, (6456), 23 states have return successors, (6458), 6449 states have call predecessors, (6458), 6455 states have call successors, (6458) [2024-11-28 05:16:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138075 states to 138075 states and 231013 transitions. [2024-11-28 05:16:28,889 INFO L78 Accepts]: Start accepts. Automaton has 138075 states and 231013 transitions. Word has length 115 [2024-11-28 05:16:28,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:28,890 INFO L471 AbstractCegarLoop]: Abstraction has 138075 states and 231013 transitions. [2024-11-28 05:16:28,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 05:16:28,890 INFO L276 IsEmpty]: Start isEmpty. Operand 138075 states and 231013 transitions. [2024-11-28 05:16:29,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 05:16:29,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:29,034 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:29,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 05:16:29,035 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:29,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:29,036 INFO L85 PathProgramCache]: Analyzing trace with hash 388116686, now seen corresponding path program 1 times [2024-11-28 05:16:29,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:29,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799563353] [2024-11-28 05:16:29,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:29,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 05:16:29,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:29,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799563353] [2024-11-28 05:16:29,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799563353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:29,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:29,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:16:29,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039718548] [2024-11-28 05:16:29,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:29,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:16:29,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:29,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:16:29,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:16:29,297 INFO L87 Difference]: Start difference. First operand 138075 states and 231013 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 05:16:31,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:31,445 INFO L93 Difference]: Finished difference Result 138075 states and 231013 transitions. [2024-11-28 05:16:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:16:31,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 116 [2024-11-28 05:16:31,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:31,465 INFO L225 Difference]: With dead ends: 138075 [2024-11-28 05:16:31,466 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:16:31,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:16:31,750 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 0 mSDsluCounter, 1641 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1971 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:31,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1971 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:31,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:16:31,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:16:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:16:31,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2024-11-28 05:16:31,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:31,768 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:16:31,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 05:16:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:16:31,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:16:31,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:16:31,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 05:16:31,776 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:31,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.