./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/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_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/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 64bit --witnessprinter.graph.data.programhash adad89b7f673beaaf8bb114b70e1447440d8d3333aba6712cecf0b1e8decf472 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:36:10,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:36:10,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 23:36:10,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:36:10,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:36:11,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:36:11,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:36:11,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:36:11,022 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:36:11,022 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:36:11,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:36:11,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:36:11,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:36:11,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:36:11,023 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:36:11,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:36:11,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:36:11,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:36:11,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:36:11,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:36:11,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:36:11,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:36:11,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:36:11,024 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:36:11,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:36:11,024 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:36:11,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:36:11,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:36:11,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:36:11,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:36:11,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:36:11,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:36:11,025 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:36:11,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:36:11,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:36:11,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:36:11,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:36:11,026 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:36:11,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:36:11,026 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:36:11,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:36:11,026 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:36:11,026 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:36:11,026 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:36:11,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:36:11,026 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_73420bce-eb54-48e8-b869-1480527e66e8/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adad89b7f673beaaf8bb114b70e1447440d8d3333aba6712cecf0b1e8decf472 [2024-11-27 23:36:11,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:36:11,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:36:11,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:36:11,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:36:11,365 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:36:11,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2024-11-27 23:36:14,458 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/data/a9657cffa/3d5cbfc33be04bdabfab68585a0aebf8/FLAG2ba8a90ae [2024-11-27 23:36:15,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:36:15,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2024-11-27 23:36:15,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/data/a9657cffa/3d5cbfc33be04bdabfab68585a0aebf8/FLAG2ba8a90ae [2024-11-27 23:36:15,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/data/a9657cffa/3d5cbfc33be04bdabfab68585a0aebf8 [2024-11-27 23:36:15,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:36:15,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:36:15,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:36:15,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:36:15,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:36:15,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:36:15" (1/1) ... [2024-11-27 23:36:15,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738218fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:15, skipping insertion in model container [2024-11-27 23:36:15,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:36:15" (1/1) ... [2024-11-27 23:36:15,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:36:18,042 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_73420bce-eb54-48e8-b869-1480527e66e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295786,295799] [2024-11-27 23:36:18,046 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_73420bce-eb54-48e8-b869-1480527e66e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295952,295965] [2024-11-27 23:36:18,050 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_73420bce-eb54-48e8-b869-1480527e66e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296116,296129] [2024-11-27 23:36:18,053 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_73420bce-eb54-48e8-b869-1480527e66e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296281,296294] [2024-11-27 23:36:18,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:36:18,139 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:36:18,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5204] [2024-11-27 23:36:18,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5211] [2024-11-27 23:36:18,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5218] [2024-11-27 23:36:18,638 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_73420bce-eb54-48e8-b869-1480527e66e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295786,295799] [2024-11-27 23:36:18,639 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_73420bce-eb54-48e8-b869-1480527e66e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295952,295965] [2024-11-27 23:36:18,639 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_73420bce-eb54-48e8-b869-1480527e66e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296116,296129] [2024-11-27 23:36:18,640 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_73420bce-eb54-48e8-b869-1480527e66e8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296281,296294] [2024-11-27 23:36:18,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:36:18,966 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:36:18,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18 WrapperNode [2024-11-27 23:36:18,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:36:18,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:36:18,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:36:18,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:36:18,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:19,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:19,263 INFO L138 Inliner]: procedures = 395, calls = 1651, calls flagged for inlining = 231, calls inlined = 193, statements flattened = 4561 [2024-11-27 23:36:19,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:36:19,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:36:19,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:36:19,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:36:19,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:19,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:19,321 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:20,187 INFO L175 MemorySlicer]: Split 676 memory accesses to 14 slices as follows [2, 4, 3, 77, 77, 1, 2, 424, 7, 40, 8, 2, 4, 25]. 63 percent of accesses are in the largest equivalence class. The 125 initializations are split as follows [0, 4, 3, 0, 77, 1, 2, 19, 7, 0, 8, 0, 4, 0]. The 329 writes are split as follows [1, 0, 0, 66, 0, 0, 0, 238, 0, 0, 0, 1, 0, 23]. [2024-11-27 23:36:20,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:20,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:20,308 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:20,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:20,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:20,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:20,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:20,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:36:20,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:36:20,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:36:20,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:36:20,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (1/1) ... [2024-11-27 23:36:20,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:36:20,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:20,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:36:20,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73420bce-eb54-48e8-b869-1480527e66e8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:36:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 23:36:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 23:36:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 23:36:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 23:36:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ks8851_driver_exit_14_2 [2024-11-27 23:36:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ks8851_driver_exit_14_2 [2024-11-27 23:36:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-27 23:36:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-27 23:36:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_resume [2024-11-27 23:36:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_resume [2024-11-27 23:36:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-27 23:36:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-27 23:36:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-27 23:36:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-27 23:36:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-27 23:36:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-27 23:36:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2024-11-27 23:36:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2024-11-27 23:36:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_net_stop [2024-11-27 23:36:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_net_stop [2024-11-27 23:36:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-27 23:36:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-27 23:36:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-27 23:36:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-27 23:36:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-27 23:36:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-27 23:36:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 23:36:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 23:36:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-27 23:36:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-27 23:36:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:36:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-11-27 23:36:20,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-11-27 23:36:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-27 23:36:20,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-27 23:36:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-27 23:36:20,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-27 23:36:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-27 23:36:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-27 23:36:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 23:36:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 23:36:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 23:36:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 23:36:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 23:36:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 23:36:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 23:36:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 23:36:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 23:36:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 23:36:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 23:36:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 23:36:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 23:36:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 23:36:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-27 23:36:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-27 23:36:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 23:36:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 23:36:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 23:36:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 23:36:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 23:36:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 23:36:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 23:36:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 23:36:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 23:36:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 23:36:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 23:36:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 23:36:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 23:36:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 23:36:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2024-11-27 23:36:20,522 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2024-11-27 23:36:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-27 23:36:20,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-27 23:36:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-27 23:36:20,522 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-27 23:36:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:36:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:36:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2024-11-27 23:36:20,523 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-27 23:36:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-27 23:36:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-27 23:36:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-27 23:36:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-27 23:36:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-27 23:36:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-27 23:36:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-27 23:36:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-27 23:36:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-27 23:36:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-27 23:36:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-27 23:36:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-27 23:36:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-27 23:36:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-27 23:36:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-27 23:36:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-27 23:36:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-27 23:36:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-27 23:36:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_ks8851_net [2024-11-27 23:36:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_ks8851_net [2024-11-27 23:36:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg8 [2024-11-27 23:36:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg8 [2024-11-27 23:36:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:36:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-27 23:36:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-27 23:36:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-27 23:36:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-27 23:36:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-11-27 23:36:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-11-27 23:36:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-11-27 23:36:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-11-27 23:36:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg16 [2024-11-27 23:36:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg16 [2024-11-27 23:36:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-27 23:36:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_probe [2024-11-27 23:36:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_probe [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 23:36:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-27 23:36:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 23:36:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 23:36:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 23:36:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 23:36:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 23:36:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 23:36:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-27 23:36:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-27 23:36:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_put [2024-11-27 23:36:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_put [2024-11-27 23:36:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_ks8851_net [2024-11-27 23:36:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_ks8851_net [2024-11-27 23:36:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-27 23:36:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-27 23:36:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-27 23:36:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-27 23:36:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_write_mac_addr [2024-11-27 23:36:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_write_mac_addr [2024-11-27 23:36:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-27 23:36:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-27 23:36:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_suspend [2024-11-27 23:36:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_suspend [2024-11-27 23:36:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:36:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-27 23:36:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2024-11-27 23:36:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 23:36:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 23:36:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 23:36:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 23:36:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 23:36:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 23:36:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 23:36:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 23:36:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 23:36:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 23:36:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 23:36:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_net_open [2024-11-27 23:36:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_net_open [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-11-27 23:36:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-27 23:36:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-27 23:36:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 23:36:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 23:36:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 23:36:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 23:36:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 23:36:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 23:36:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-27 23:36:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-27 23:36:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-27 23:36:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-27 23:36:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-27 23:36:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-27 23:36:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-27 23:36:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-27 23:36:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-27 23:36:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-27 23:36:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-11-27 23:36:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-11-27 23:36:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-11-27 23:36:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-11-27 23:36:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_rx_mode [2024-11-27 23:36:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_rx_mode [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-27 23:36:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-27 23:36:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_powermode [2024-11-27 23:36:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_powermode [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-27 23:36:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 23:36:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-11-27 23:36:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-27 23:36:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-27 23:36:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-27 23:36:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-27 23:36:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-27 23:36:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-27 23:36:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-27 23:36:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-27 23:36:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rx_1msg [2024-11-27 23:36:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rx_1msg [2024-11-27 23:36:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_get_eeprom_len [2024-11-27 23:36:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_get_eeprom_len [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_soft_reset [2024-11-27 23:36:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_soft_reset [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-27 23:36:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 23:36:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg [2024-11-27 23:36:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_nway_reset [2024-11-27 23:36:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_nway_reset [2024-11-27 23:36:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-11-27 23:36:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-11-27 23:36:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_remove [2024-11-27 23:36:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_remove [2024-11-27 23:36:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-27 23:36:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-27 23:36:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-27 23:36:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-27 23:36:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_wrreg16 [2024-11-27 23:36:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_wrreg16 [2024-11-27 23:36:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-27 23:36:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-27 23:36:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:36:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:36:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:36:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:36:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:36:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:36:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 23:36:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 23:36:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 23:36:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 23:36:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 23:36:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 23:36:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 23:36:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 23:36:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-27 23:36:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-27 23:36:21,523 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:36:21,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:36:21,935 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 23:36:34,505 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-27 23:36:35,511 INFO L? ?]: Removed 2055 outVars from TransFormulas that were not future-live. [2024-11-27 23:36:35,512 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:36:35,576 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:36:35,578 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:36:35,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:36:35 BoogieIcfgContainer [2024-11-27 23:36:35,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:36:35,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:36:35,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:36:35,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:36:35,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:36:15" (1/3) ... [2024-11-27 23:36:35,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b434c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:36:35, skipping insertion in model container [2024-11-27 23:36:35,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:36:18" (2/3) ... [2024-11-27 23:36:35,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b434c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:36:35, skipping insertion in model container [2024-11-27 23:36:35,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:36:35" (3/3) ... [2024-11-27 23:36:35,591 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2024-11-27 23:36:35,609 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:36:35,612 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i that has 110 procedures, 1937 locations, 1 initial locations, 42 loop locations, and 3 error locations. [2024-11-27 23:36:35,730 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:36:35,745 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;@4f0cceeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:36:35,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-27 23:36:35,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 1818 states, 1341 states have (on average 1.3281133482475764) internal successors, (1781), 1354 states have internal predecessors, (1781), 394 states have call successors, (394), 83 states have call predecessors, (394), 82 states have return successors, (385), 384 states have call predecessors, (385), 385 states have call successors, (385) [2024-11-27 23:36:35,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-27 23:36:35,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:35,788 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:35,789 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:36:35,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:35,794 INFO L85 PathProgramCache]: Analyzing trace with hash 600722093, now seen corresponding path program 1 times [2024-11-27 23:36:35,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:35,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264991817] [2024-11-27 23:36:35,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:35,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:40,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-11-27 23:36:40,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:40,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264991817] [2024-11-27 23:36:40,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264991817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:40,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:36:40,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:36:40,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998380870] [2024-11-27 23:36:40,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:40,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:40,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:40,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:40,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:40,759 INFO L87 Difference]: Start difference. First operand has 1818 states, 1341 states have (on average 1.3281133482475764) internal successors, (1781), 1354 states have internal predecessors, (1781), 394 states have call successors, (394), 83 states have call predecessors, (394), 82 states have return successors, (385), 384 states have call predecessors, (385), 385 states have call successors, (385) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 23:36:44,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:36:45,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:45,461 INFO L93 Difference]: Finished difference Result 5080 states and 7395 transitions. [2024-11-27 23:36:45,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:36:45,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 215 [2024-11-27 23:36:45,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:45,502 INFO L225 Difference]: With dead ends: 5080 [2024-11-27 23:36:45,503 INFO L226 Difference]: Without dead ends: 3283 [2024-11-27 23:36:45,517 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 [2024-11-27 23:36:45,520 INFO L435 NwaCegarLoop]: 2534 mSDtfsCounter, 2113 mSDsluCounter, 2465 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 4999 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:45,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2113 Valid, 4999 Invalid, 31 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-27 23:36:45,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-27 23:36:45,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3264. [2024-11-27 23:36:45,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3264 states, 2408 states have (on average 1.3027408637873754) internal successors, (3137), 2434 states have internal predecessors, (3137), 694 states have call successors, (694), 162 states have call predecessors, (694), 159 states have return successors, (732), 679 states have call predecessors, (732), 690 states have call successors, (732) [2024-11-27 23:36:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 3264 states and 4563 transitions. [2024-11-27 23:36:45,888 INFO L78 Accepts]: Start accepts. Automaton has 3264 states and 4563 transitions. Word has length 215 [2024-11-27 23:36:45,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:45,890 INFO L471 AbstractCegarLoop]: Abstraction has 3264 states and 4563 transitions. [2024-11-27 23:36:45,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 23:36:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 4563 transitions. [2024-11-27 23:36:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-27 23:36:45,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:45,904 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:45,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:36:45,905 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:36:45,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:45,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1664365038, now seen corresponding path program 1 times [2024-11-27 23:36:45,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:45,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83858787] [2024-11-27 23:36:45,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:45,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-11-27 23:36:49,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:49,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83858787] [2024-11-27 23:36:49,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83858787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:49,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:36:49,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:36:49,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877770984] [2024-11-27 23:36:49,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:49,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:49,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:49,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:49,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:49,670 INFO L87 Difference]: Start difference. First operand 3264 states and 4563 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 23:36:53,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:36:54,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:54,295 INFO L93 Difference]: Finished difference Result 9575 states and 13392 transitions. [2024-11-27 23:36:54,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:36:54,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 217 [2024-11-27 23:36:54,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:54,349 INFO L225 Difference]: With dead ends: 9575 [2024-11-27 23:36:54,349 INFO L226 Difference]: Without dead ends: 6350 [2024-11-27 23:36:54,367 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 [2024-11-27 23:36:54,369 INFO L435 NwaCegarLoop]: 2505 mSDtfsCounter, 2347 mSDsluCounter, 2433 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 4938 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:54,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 4938 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-27 23:36:54,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6350 states. [2024-11-27 23:36:54,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6350 to 6346. [2024-11-27 23:36:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6346 states, 4702 states have (on average 1.3043385793279456) internal successors, (6133), 4746 states have internal predecessors, (6133), 1326 states have call successors, (1326), 320 states have call predecessors, (1326), 315 states have return successors, (1406), 1303 states have call predecessors, (1406), 1322 states have call successors, (1406) [2024-11-27 23:36:54,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6346 states to 6346 states and 8865 transitions. [2024-11-27 23:36:54,747 INFO L78 Accepts]: Start accepts. Automaton has 6346 states and 8865 transitions. Word has length 217 [2024-11-27 23:36:54,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:54,749 INFO L471 AbstractCegarLoop]: Abstraction has 6346 states and 8865 transitions. [2024-11-27 23:36:54,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 23:36:54,750 INFO L276 IsEmpty]: Start isEmpty. Operand 6346 states and 8865 transitions. [2024-11-27 23:36:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-27 23:36:54,757 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:54,757 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:54,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:36:54,758 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:36:54,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:54,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1495201034, now seen corresponding path program 1 times [2024-11-27 23:36:54,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:54,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502998418] [2024-11-27 23:36:54,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:54,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-11-27 23:36:58,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:58,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502998418] [2024-11-27 23:36:58,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502998418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:58,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:36:58,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:36:58,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849564633] [2024-11-27 23:36:58,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:58,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:36:58,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:58,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:36:58,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:36:58,637 INFO L87 Difference]: Start difference. First operand 6346 states and 8865 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 23:37:02,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:37:03,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:03,934 INFO L93 Difference]: Finished difference Result 18288 states and 25523 transitions. [2024-11-27 23:37:03,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:37:03,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 219 [2024-11-27 23:37:03,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:04,023 INFO L225 Difference]: With dead ends: 18288 [2024-11-27 23:37:04,023 INFO L226 Difference]: Without dead ends: 11981 [2024-11-27 23:37:04,058 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 [2024-11-27 23:37:04,061 INFO L435 NwaCegarLoop]: 2501 mSDtfsCounter, 2173 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 4897 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:04,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2173 Valid, 4897 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-27 23:37:04,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11981 states. [2024-11-27 23:37:04,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11981 to 11956. [2024-11-27 23:37:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11956 states, 8828 states have (on average 1.299614861803353) internal successors, (11473), 8922 states have internal predecessors, (11473), 2500 states have call successors, (2500), 634 states have call predecessors, (2500), 625 states have return successors, (2600), 2447 states have call predecessors, (2600), 2496 states have call successors, (2600) [2024-11-27 23:37:04,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11956 states to 11956 states and 16573 transitions. [2024-11-27 23:37:04,693 INFO L78 Accepts]: Start accepts. Automaton has 11956 states and 16573 transitions. Word has length 219 [2024-11-27 23:37:04,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:04,694 INFO L471 AbstractCegarLoop]: Abstraction has 11956 states and 16573 transitions. [2024-11-27 23:37:04,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 23:37:04,699 INFO L276 IsEmpty]: Start isEmpty. Operand 11956 states and 16573 transitions. [2024-11-27 23:37:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-27 23:37:04,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:04,706 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:04,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:37:04,707 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:37:04,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:04,707 INFO L85 PathProgramCache]: Analyzing trace with hash 913106007, now seen corresponding path program 1 times [2024-11-27 23:37:04,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:37:04,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141447546] [2024-11-27 23:37:04,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:04,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:37:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-11-27 23:37:08,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:37:08,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141447546] [2024-11-27 23:37:08,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141447546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:37:08,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:37:08,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:37:08,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610519224] [2024-11-27 23:37:08,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:37:08,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:37:08,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:37:08,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:37:08,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:37:08,383 INFO L87 Difference]: Start difference. First operand 11956 states and 16573 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 23:37:12,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:37:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:13,678 INFO L93 Difference]: Finished difference Result 28742 states and 39777 transitions. [2024-11-27 23:37:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:37:13,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 220 [2024-11-27 23:37:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:14,010 INFO L225 Difference]: With dead ends: 28742 [2024-11-27 23:37:14,010 INFO L226 Difference]: Without dead ends: 16825 [2024-11-27 23:37:14,107 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 [2024-11-27 23:37:14,109 INFO L435 NwaCegarLoop]: 2502 mSDtfsCounter, 2297 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 4939 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:14,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 4939 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-27 23:37:14,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16825 states. [2024-11-27 23:37:15,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16825 to 16800. [2024-11-27 23:37:15,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16800 states, 12346 states have (on average 1.2923213996436094) internal successors, (15955), 12496 states have internal predecessors, (15955), 3528 states have call successors, (3528), 936 states have call predecessors, (3528), 923 states have return successors, (3672), 3435 states have call predecessors, (3672), 3524 states have call successors, (3672) [2024-11-27 23:37:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16800 states to 16800 states and 23155 transitions. [2024-11-27 23:37:15,300 INFO L78 Accepts]: Start accepts. Automaton has 16800 states and 23155 transitions. Word has length 220 [2024-11-27 23:37:15,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:15,301 INFO L471 AbstractCegarLoop]: Abstraction has 16800 states and 23155 transitions. [2024-11-27 23:37:15,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 23:37:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 16800 states and 23155 transitions. [2024-11-27 23:37:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-27 23:37:15,313 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:15,313 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 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] [2024-11-27 23:37:15,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:37:15,313 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:37:15,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:15,314 INFO L85 PathProgramCache]: Analyzing trace with hash -698562905, now seen corresponding path program 1 times [2024-11-27 23:37:15,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:37:15,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913782010] [2024-11-27 23:37:15,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:15,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:37:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2024-11-27 23:37:18,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:37:18,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913782010] [2024-11-27 23:37:18,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913782010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:37:18,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:37:18,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:37:18,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505259372] [2024-11-27 23:37:18,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:37:18,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:37:18,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:37:18,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:37:18,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:37:18,714 INFO L87 Difference]: Start difference. First operand 16800 states and 23155 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-27 23:37:22,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:37:23,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:23,914 INFO L93 Difference]: Finished difference Result 41342 states and 56913 transitions. [2024-11-27 23:37:23,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:37:23,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 244 [2024-11-27 23:37:23,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:24,057 INFO L225 Difference]: With dead ends: 41342 [2024-11-27 23:37:24,058 INFO L226 Difference]: Without dead ends: 24581 [2024-11-27 23:37:24,111 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 [2024-11-27 23:37:24,113 INFO L435 NwaCegarLoop]: 2792 mSDtfsCounter, 2322 mSDsluCounter, 2445 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 5237 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:24,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 5237 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-27 23:37:24,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2024-11-27 23:37:25,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 24548. [2024-11-27 23:37:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24548 states, 18072 states have (on average 1.2886786188579018) internal successors, (23289), 18316 states have internal predecessors, (23289), 5106 states have call successors, (5106), 1386 states have call predecessors, (5106), 1367 states have return successors, (5286), 4947 states have call predecessors, (5286), 5102 states have call successors, (5286) [2024-11-27 23:37:25,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24548 states to 24548 states and 33681 transitions. [2024-11-27 23:37:25,392 INFO L78 Accepts]: Start accepts. Automaton has 24548 states and 33681 transitions. Word has length 244 [2024-11-27 23:37:25,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:25,397 INFO L471 AbstractCegarLoop]: Abstraction has 24548 states and 33681 transitions. [2024-11-27 23:37:25,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-27 23:37:25,398 INFO L276 IsEmpty]: Start isEmpty. Operand 24548 states and 33681 transitions. [2024-11-27 23:37:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-27 23:37:25,405 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:25,405 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:25,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:37:25,405 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:37:25,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:25,406 INFO L85 PathProgramCache]: Analyzing trace with hash -654387779, now seen corresponding path program 1 times [2024-11-27 23:37:25,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:37:25,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072718466] [2024-11-27 23:37:25,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:25,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:37:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2024-11-27 23:37:29,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:37:29,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072718466] [2024-11-27 23:37:29,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072718466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:37:29,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:37:29,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:37:29,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759144717] [2024-11-27 23:37:29,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:37:29,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:37:29,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:37:29,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:37:29,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:37:29,204 INFO L87 Difference]: Start difference. First operand 24548 states and 33681 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-27 23:37:33,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:37:34,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:34,735 INFO L93 Difference]: Finished difference Result 67785 states and 93092 transitions. [2024-11-27 23:37:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:37:34,736 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), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 261 [2024-11-27 23:37:34,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:35,005 INFO L225 Difference]: With dead ends: 67785 [2024-11-27 23:37:35,005 INFO L226 Difference]: Without dead ends: 43276 [2024-11-27 23:37:35,107 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 [2024-11-27 23:37:35,108 INFO L435 NwaCegarLoop]: 4176 mSDtfsCounter, 2357 mSDsluCounter, 2438 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2357 SdHoareTripleChecker+Valid, 6614 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:35,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2357 Valid, 6614 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 54 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-27 23:37:35,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43276 states. [2024-11-27 23:37:37,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43276 to 43229. [2024-11-27 23:37:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43229 states, 31999 states have (on average 1.2882277571174099) internal successors, (41222), 32451 states have internal predecessors, (41222), 8842 states have call successors, (8842), 2432 states have call predecessors, (8842), 2385 states have return successors, (9186), 8521 states have call predecessors, (9186), 8838 states have call successors, (9186) [2024-11-27 23:37:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43229 states to 43229 states and 59250 transitions. [2024-11-27 23:37:37,587 INFO L78 Accepts]: Start accepts. Automaton has 43229 states and 59250 transitions. Word has length 261 [2024-11-27 23:37:37,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:37,588 INFO L471 AbstractCegarLoop]: Abstraction has 43229 states and 59250 transitions. [2024-11-27 23:37:37,588 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), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-27 23:37:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 43229 states and 59250 transitions. [2024-11-27 23:37:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-27 23:37:37,595 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:37,596 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:37,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:37:37,596 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:37:37,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:37,597 INFO L85 PathProgramCache]: Analyzing trace with hash 447646657, now seen corresponding path program 1 times [2024-11-27 23:37:37,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:37:37,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934386902] [2024-11-27 23:37:37,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:37,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:37:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2024-11-27 23:37:41,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:37:41,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934386902] [2024-11-27 23:37:41,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934386902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:37:41,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:37:41,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:37:41,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35713267] [2024-11-27 23:37:41,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:37:41,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:37:41,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:37:41,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:37:41,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:37:41,042 INFO L87 Difference]: Start difference. First operand 43229 states and 59250 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-27 23:37:45,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:37:46,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:46,768 INFO L93 Difference]: Finished difference Result 127218 states and 174459 transitions. [2024-11-27 23:37:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:37:46,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 275 [2024-11-27 23:37:46,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:47,279 INFO L225 Difference]: With dead ends: 127218 [2024-11-27 23:37:47,279 INFO L226 Difference]: Without dead ends: 84185 [2024-11-27 23:37:47,471 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 [2024-11-27 23:37:47,472 INFO L435 NwaCegarLoop]: 4633 mSDtfsCounter, 2320 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 7092 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:47,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 7092 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-27 23:37:47,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84185 states. [2024-11-27 23:37:51,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84185 to 84181. [2024-11-27 23:37:51,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84181 states, 62510 states have (on average 1.28796992481203) internal successors, (80511), 63236 states have internal predecessors, (80511), 17013 states have call successors, (17013), 4732 states have call predecessors, (17013), 4655 states have return successors, (17705), 16564 states have call predecessors, (17705), 17009 states have call successors, (17705) [2024-11-27 23:37:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84181 states to 84181 states and 115229 transitions. [2024-11-27 23:37:51,852 INFO L78 Accepts]: Start accepts. Automaton has 84181 states and 115229 transitions. Word has length 275 [2024-11-27 23:37:51,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:51,854 INFO L471 AbstractCegarLoop]: Abstraction has 84181 states and 115229 transitions. [2024-11-27 23:37:51,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-27 23:37:51,854 INFO L276 IsEmpty]: Start isEmpty. Operand 84181 states and 115229 transitions. [2024-11-27 23:37:51,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-27 23:37:51,861 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:51,861 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:51,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:37:51,862 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:37:51,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:51,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1924092605, now seen corresponding path program 1 times [2024-11-27 23:37:51,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:37:51,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736675025] [2024-11-27 23:37:51,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:51,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:37:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2024-11-27 23:37:57,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:37:57,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736675025] [2024-11-27 23:37:57,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736675025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:37:57,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:37:57,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:37:57,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987083152] [2024-11-27 23:37:57,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:37:57,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:37:57,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:37:57,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:37:57,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:37:57,164 INFO L87 Difference]: Start difference. First operand 84181 states and 115229 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-27 23:37:59,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:59,404 INFO L93 Difference]: Finished difference Result 84187 states and 115234 transitions. [2024-11-27 23:37:59,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:37:59,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 275 [2024-11-27 23:37:59,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:59,835 INFO L225 Difference]: With dead ends: 84187 [2024-11-27 23:37:59,835 INFO L226 Difference]: Without dead ends: 84185 [2024-11-27 23:37:59,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:37:59,890 INFO L435 NwaCegarLoop]: 2489 mSDtfsCounter, 2423 mSDsluCounter, 4973 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2424 SdHoareTripleChecker+Valid, 7462 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:59,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2424 Valid, 7462 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:37:59,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84185 states.