./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-spinlock_drivers-net-ethernet-dnet.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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/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 fbb6aba39a63540626ae26255eab93a5f2c0864f87ba11cb320579066e7aefd2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:36:36,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:36:36,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:36:36,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:36:36,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:36:36,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:36:36,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:36:36,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:36:36,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:36:36,921 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:36:36,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:36:36,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:36:36,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:36:36,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:36:36,922 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:36:36,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:36:36,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:36:36,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:36:36,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:36:36,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:36:36,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:36:36,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:36:36,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:36:36,923 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:36:36,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:36:36,923 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:36:36,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:36:36,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:36:36,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:36:36,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:36:36,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:36:36,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:36:36,926 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:36:36,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:36:36,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:36:36,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:36:36,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:36:36,926 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:36:36,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:36:36,927 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:36:36,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:36:36,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:36:36,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:36:36,927 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:36:36,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:36:36,927 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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/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 -> fbb6aba39a63540626ae26255eab93a5f2c0864f87ba11cb320579066e7aefd2 [2024-11-28 03:36:37,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:36:37,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:36:37,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:36:37,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:36:37,283 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:36:37,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2024-11-28 03:36:40,427 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/bin/uautomizer-verify-aQ6SnzHsRB/data/10c3915ba/11de519bbc92491196ec24cedcb23105/FLAG85c12e00d [2024-11-28 03:36:41,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:36:41,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2024-11-28 03:36:41,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/bin/uautomizer-verify-aQ6SnzHsRB/data/10c3915ba/11de519bbc92491196ec24cedcb23105/FLAG85c12e00d [2024-11-28 03:36:41,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/bin/uautomizer-verify-aQ6SnzHsRB/data/10c3915ba/11de519bbc92491196ec24cedcb23105 [2024-11-28 03:36:41,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:36:41,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:36:41,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:36:41,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:36:41,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:36:41,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:36:41" (1/1) ... [2024-11-28 03:36:41,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec000c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:41, skipping insertion in model container [2024-11-28 03:36:41,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:36:41" (1/1) ... [2024-11-28 03:36:41,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:36:44,438 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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2024-11-28 03:36:44,442 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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2024-11-28 03:36:44,443 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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2024-11-28 03:36:44,444 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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2024-11-28 03:36:44,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:36:44,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:36:44,696 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"); [5181] [2024-11-28 03:36:44,698 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)); [5188] [2024-11-28 03:36:44,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5195] [2024-11-28 03:36:44,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5244] [2024-11-28 03:36:44,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5316] [2024-11-28 03:36:44,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5323] [2024-11-28 03:36:44,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5522-5523] [2024-11-28 03:36:44,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5529] [2024-11-28 03:36:45,078 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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2024-11-28 03:36:45,079 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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2024-11-28 03:36:45,080 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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2024-11-28 03:36:45,080 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_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2024-11-28 03:36:45,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:36:45,337 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:36:45,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45 WrapperNode [2024-11-28 03:36:45,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:36:45,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:36:45,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:36:45,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:36:45,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:45,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:45,802 INFO L138 Inliner]: procedures = 410, calls = 2035, calls flagged for inlining = 211, calls inlined = 188, statements flattened = 4788 [2024-11-28 03:36:45,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:36:45,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:36:45,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:36:45,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:36:45,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:45,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:45,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:47,171 INFO L175 MemorySlicer]: Split 898 memory accesses to 23 slices as follows [4, 449, 1, 4, 5, 1, 4, 1, 4, 5, 4, 1, 2, 203, 26, 5, 5, 13, 5, 1, 5, 149, 1]. 50 percent of accesses are in the largest equivalence class. The 224 initializations are split as follows [4, 5, 1, 4, 5, 1, 4, 1, 4, 5, 4, 1, 2, 0, 0, 5, 5, 13, 5, 0, 5, 149, 1]. The 367 writes are split as follows [0, 169, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 24, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-28 03:36:47,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:47,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:47,354 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:47,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:47,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:47,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:47,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:47,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:36:47,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:36:47,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:36:47,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:36:47,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (1/1) ... [2024-11-28 03:36:47,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:36:47,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:47,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:36:47,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494abf6a-f7e5-4443-8bc4-d1c84bc0c9d1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:36:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_probe [2024-11-28 03:36:47,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_probe [2024-11-28 03:36:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 03:36:47,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 03:36:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:36:47,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:36:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 03:36:47,638 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 03:36:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 03:36:47,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 03:36:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-28 03:36:47,639 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-28 03:36:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-11-28 03:36:47,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-11-28 03:36:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure __dnet_set_hwaddr [2024-11-28 03:36:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __dnet_set_hwaddr [2024-11-28 03:36:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-28 03:36:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-28 03:36:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-28 03:36:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-28 03:36:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-28 03:36:47,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-28 03:36:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 03:36:47,644 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 03:36:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 03:36:47,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 03:36:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-28 03:36:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 03:36:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 03:36:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 03:36:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 03:36:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 03:36:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 03:36:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 03:36:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 03:36:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 03:36:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 03:36:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-11-28 03:36:47,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:36:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-28 03:36:47,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-28 03:36:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-28 03:36:47,649 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:36:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:36:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:36:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 03:36:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 03:36:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 03:36:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 03:36:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 03:36:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 03:36:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 03:36:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 03:36:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-28 03:36:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-28 03:36:47,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-28 03:36:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_reset_hw [2024-11-28 03:36:47,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_reset_hw [2024-11-28 03:36:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 03:36:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 03:36:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:36:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-28 03:36:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-28 03:36:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-28 03:36:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-28 03:36:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-28 03:36:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-28 03:36:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:36:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-28 03:36:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-28 03:36:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-28 03:36:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-28 03:36:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 03:36:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 03:36:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:36:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:36:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:36:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 03:36:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-28 03:36:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-28 03:36:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-28 03:36:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:36:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:36:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-28 03:36:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-28 03:36:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-28 03:36:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-28 03:36:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 03:36:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 03:36:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-28 03:36:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-28 03:36:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-28 03:36:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-28 03:36:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-28 03:36:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-28 03:36:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-28 03:36:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-28 03:36:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:36:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-28 03:36:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2024-11-28 03:36:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 03:36:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:36:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:36:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 03:36:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 03:36:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2024-11-28 03:36:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 03:36:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dnet [2024-11-28 03:36:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dnet [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 03:36:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_readw_mac [2024-11-28 03:36:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_readw_mac [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:36:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 03:36:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-28 03:36:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-28 03:36:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-28 03:36:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 03:36:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 03:36:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-28 03:36:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-28 03:36:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-28 03:36:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-28 03:36:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 03:36:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 03:36:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-28 03:36:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-28 03:36:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-28 03:36:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-28 03:36:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_close [2024-11-28 03:36:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_close [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2024-11-28 03:36:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_handle_link_change [2024-11-28 03:36:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_handle_link_change [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-28 03:36:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 03:36:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_writew_mac [2024-11-28 03:36:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_writew_mac [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 03:36:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 03:36:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:36:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-28 03:36:47,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-28 03:36:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:36:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:36:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_remove [2024-11-28 03:36:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_remove [2024-11-28 03:36:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-28 03:36:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-28 03:36:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_open [2024-11-28 03:36:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_open [2024-11-28 03:36:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure phy_connect [2024-11-28 03:36:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_connect [2024-11-28 03:36:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-28 03:36:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-28 03:36:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-28 03:36:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-28 03:36:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:36:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:36:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-28 03:36:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-28 03:36:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-28 03:36:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-28 03:36:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-28 03:36:49,004 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:36:49,009 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:36:50,180 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 03:37:04,524 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-28 03:37:05,665 INFO L? ?]: Removed 1836 outVars from TransFormulas that were not future-live. [2024-11-28 03:37:05,666 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:37:05,751 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:37:05,752 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:37:05,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:05 BoogieIcfgContainer [2024-11-28 03:37:05,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:37:05,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:37:05,757 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:37:05,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:37:05,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:36:41" (1/3) ... [2024-11-28 03:37:05,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641e74d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:37:05, skipping insertion in model container [2024-11-28 03:37:05,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:45" (2/3) ... [2024-11-28 03:37:05,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641e74d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:37:05, skipping insertion in model container [2024-11-28 03:37:05,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:05" (3/3) ... [2024-11-28 03:37:05,771 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2024-11-28 03:37:05,797 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:37:05,801 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i that has 68 procedures, 1577 locations, 1 initial locations, 3 loop locations, and 3 error locations. [2024-11-28 03:37:05,980 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:37:06,003 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;@4fe6fa27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:37:06,004 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-28 03:37:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 1575 states, 1137 states have (on average 1.2770448548812665) internal successors, (1452), 1150 states have internal predecessors, (1452), 369 states have call successors, (369), 67 states have call predecessors, (369), 66 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) [2024-11-28 03:37:06,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:37:06,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:37:06,048 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:06,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 03:37:06,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:06,056 INFO L85 PathProgramCache]: Analyzing trace with hash 418153186, now seen corresponding path program 1 times [2024-11-28 03:37:06,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:37:06,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257017707] [2024-11-28 03:37:06,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:06,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:37:11,400 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 03:37:11,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:37:11,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257017707] [2024-11-28 03:37:11,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257017707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:37:11,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:37:11,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:37:11,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210430471] [2024-11-28 03:37:11,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:37:11,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:37:11,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:37:11,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:37:11,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:11,456 INFO L87 Difference]: Start difference. First operand has 1575 states, 1137 states have (on average 1.2770448548812665) internal successors, (1452), 1150 states have internal predecessors, (1452), 369 states have call successors, (369), 67 states have call predecessors, (369), 66 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 03:37:15,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:37:16,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:37:16,146 INFO L93 Difference]: Finished difference Result 4595 states and 6461 transitions. [2024-11-28 03:37:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:37:16,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 134 [2024-11-28 03:37:16,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:37:16,219 INFO L225 Difference]: With dead ends: 4595 [2024-11-28 03:37:16,219 INFO L226 Difference]: Without dead ends: 3033 [2024-11-28 03:37:16,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:16,257 INFO L435 NwaCegarLoop]: 2187 mSDtfsCounter, 2067 mSDsluCounter, 2125 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2067 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:37:16,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2067 Valid, 4312 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 03:37:16,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3033 states. [2024-11-28 03:37:16,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3033 to 3029. [2024-11-28 03:37:16,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 2208 states have (on average 1.2672101449275361) internal successors, (2798), 2232 states have internal predecessors, (2798), 689 states have call successors, (689), 130 states have call predecessors, (689), 129 states have return successors, (686), 682 states have call predecessors, (686), 686 states have call successors, (686) [2024-11-28 03:37:16,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 4173 transitions. [2024-11-28 03:37:16,621 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 4173 transitions. Word has length 134 [2024-11-28 03:37:16,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:37:16,623 INFO L471 AbstractCegarLoop]: Abstraction has 3029 states and 4173 transitions. [2024-11-28 03:37:16,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 03:37:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 4173 transitions. [2024-11-28 03:37:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 03:37:16,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:37:16,632 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:16,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:37:16,633 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 03:37:16,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:16,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2122086238, now seen corresponding path program 1 times [2024-11-28 03:37:16,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:37:16,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370494055] [2024-11-28 03:37:16,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:16,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:37:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 03:37:20,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:37:20,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370494055] [2024-11-28 03:37:20,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370494055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:37:20,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:37:20,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:37:20,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427363033] [2024-11-28 03:37:20,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:37:20,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:37:20,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:37:20,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:37:20,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:20,089 INFO L87 Difference]: Start difference. First operand 3029 states and 4173 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 03:37:24,153 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 [] [2024-11-28 03:37:24,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:37:24,753 INFO L93 Difference]: Finished difference Result 8787 states and 12179 transitions. [2024-11-28 03:37:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:37:24,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 138 [2024-11-28 03:37:24,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:37:24,816 INFO L225 Difference]: With dead ends: 8787 [2024-11-28 03:37:24,817 INFO L226 Difference]: Without dead ends: 5783 [2024-11-28 03:37:24,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:24,835 INFO L435 NwaCegarLoop]: 2442 mSDtfsCounter, 1954 mSDsluCounter, 2112 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 4554 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:37:24,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1954 Valid, 4554 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-28 03:37:24,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5783 states. [2024-11-28 03:37:25,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5783 to 5748. [2024-11-28 03:37:25,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5748 states, 4202 states have (on average 1.2653498334126607) internal successors, (5317), 4252 states have internal predecessors, (5317), 1288 states have call successors, (1288), 258 states have call predecessors, (1288), 255 states have return successors, (1385), 1267 states have call predecessors, (1385), 1285 states have call successors, (1385) [2024-11-28 03:37:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 7990 transitions. [2024-11-28 03:37:25,315 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 7990 transitions. Word has length 138 [2024-11-28 03:37:25,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:37:25,316 INFO L471 AbstractCegarLoop]: Abstraction has 5748 states and 7990 transitions. [2024-11-28 03:37:25,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 03:37:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 7990 transitions. [2024-11-28 03:37:25,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 03:37:25,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:37:25,324 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:25,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:37:25,324 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 03:37:25,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:25,329 INFO L85 PathProgramCache]: Analyzing trace with hash 957104565, now seen corresponding path program 1 times [2024-11-28 03:37:25,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:37:25,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632619386] [2024-11-28 03:37:25,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:25,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:37:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 03:37:29,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:37:29,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632619386] [2024-11-28 03:37:29,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632619386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:37:29,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:37:29,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:37:29,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454497148] [2024-11-28 03:37:29,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:37:29,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:37:29,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:37:29,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:37:29,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:29,638 INFO L87 Difference]: Start difference. First operand 5748 states and 7990 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 03:37:33,707 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 [] [2024-11-28 03:37:35,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:37:35,325 INFO L93 Difference]: Finished difference Result 16374 states and 22698 transitions. [2024-11-28 03:37:35,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:37:35,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 145 [2024-11-28 03:37:35,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:37:35,430 INFO L225 Difference]: With dead ends: 16374 [2024-11-28 03:37:35,430 INFO L226 Difference]: Without dead ends: 10651 [2024-11-28 03:37:35,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:35,461 INFO L435 NwaCegarLoop]: 2391 mSDtfsCounter, 1796 mSDsluCounter, 2051 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 4442 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 [2024-11-28 03:37:35,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 4442 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-28 03:37:35,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10651 states. [2024-11-28 03:37:36,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10651 to 10612. [2024-11-28 03:37:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10612 states, 7712 states have (on average 1.2547977178423237) internal successors, (9677), 7818 states have internal predecessors, (9677), 2400 states have call successors, (2400), 502 states have call predecessors, (2400), 497 states have return successors, (2503), 2351 states have call predecessors, (2503), 2397 states have call successors, (2503) [2024-11-28 03:37:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10612 states to 10612 states and 14580 transitions. [2024-11-28 03:37:36,257 INFO L78 Accepts]: Start accepts. Automaton has 10612 states and 14580 transitions. Word has length 145 [2024-11-28 03:37:36,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:37:36,258 INFO L471 AbstractCegarLoop]: Abstraction has 10612 states and 14580 transitions. [2024-11-28 03:37:36,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 03:37:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 10612 states and 14580 transitions. [2024-11-28 03:37:36,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 03:37:36,267 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:37:36,267 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:36,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:37:36,268 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 03:37:36,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:36,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1677272146, now seen corresponding path program 1 times [2024-11-28 03:37:36,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:37:36,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516177258] [2024-11-28 03:37:36,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:36,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:37:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 03:37:39,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:37:39,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516177258] [2024-11-28 03:37:39,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516177258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:37:39,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:37:39,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:37:39,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41350072] [2024-11-28 03:37:39,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:37:39,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:37:39,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:37:39,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:37:39,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:39,549 INFO L87 Difference]: Start difference. First operand 10612 states and 14580 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 03:37:43,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:37:44,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:37:44,697 INFO L93 Difference]: Finished difference Result 28500 states and 39268 transitions. [2024-11-28 03:37:44,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:37:44,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 153 [2024-11-28 03:37:44,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:37:44,865 INFO L225 Difference]: With dead ends: 28500 [2024-11-28 03:37:44,865 INFO L226 Difference]: Without dead ends: 17913 [2024-11-28 03:37:44,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:44,917 INFO L435 NwaCegarLoop]: 2160 mSDtfsCounter, 1599 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 4233 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:37:44,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1599 Valid, 4233 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-28 03:37:44,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17913 states. [2024-11-28 03:37:45,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17913 to 17866. [2024-11-28 03:37:45,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17866 states, 12972 states have (on average 1.2495374653098983) internal successors, (16209), 13174 states have internal predecessors, (16209), 3952 states have call successors, (3952), 956 states have call predecessors, (3952), 939 states have return successors, (4467), 3827 states have call predecessors, (4467), 3949 states have call successors, (4467) [2024-11-28 03:37:45,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17866 states to 17866 states and 24628 transitions. [2024-11-28 03:37:45,987 INFO L78 Accepts]: Start accepts. Automaton has 17866 states and 24628 transitions. Word has length 153 [2024-11-28 03:37:45,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:37:45,988 INFO L471 AbstractCegarLoop]: Abstraction has 17866 states and 24628 transitions. [2024-11-28 03:37:45,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 03:37:45,990 INFO L276 IsEmpty]: Start isEmpty. Operand 17866 states and 24628 transitions. [2024-11-28 03:37:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 03:37:45,998 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:37:45,998 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:45,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:37:45,998 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 03:37:45,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:45,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1093772875, now seen corresponding path program 1 times [2024-11-28 03:37:45,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:37:45,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449992573] [2024-11-28 03:37:45,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:45,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:37:48,988 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-28 03:37:48,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:37:48,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449992573] [2024-11-28 03:37:48,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449992573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:37:48,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:37:48,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:37:48,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184095734] [2024-11-28 03:37:48,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:37:48,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:37:48,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:37:48,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:37:48,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:48,991 INFO L87 Difference]: Start difference. First operand 17866 states and 24628 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-28 03:37:53,054 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 [] [2024-11-28 03:37:54,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:37:54,032 INFO L93 Difference]: Finished difference Result 33707 states and 46494 transitions. [2024-11-28 03:37:54,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:37:54,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 169 [2024-11-28 03:37:54,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:37:54,149 INFO L225 Difference]: With dead ends: 33707 [2024-11-28 03:37:54,149 INFO L226 Difference]: Without dead ends: 15866 [2024-11-28 03:37:54,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:54,223 INFO L435 NwaCegarLoop]: 3692 mSDtfsCounter, 2006 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 5785 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:37:54,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 5785 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-28 03:37:54,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15866 states. [2024-11-28 03:37:55,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15866 to 15834. [2024-11-28 03:37:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15834 states, 11580 states have (on average 1.2455958549222799) internal successors, (14424), 11769 states have internal predecessors, (14424), 3420 states have call successors, (3420), 844 states have call predecessors, (3420), 831 states have return successors, (3909), 3302 states have call predecessors, (3909), 3417 states have call successors, (3909) [2024-11-28 03:37:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15834 states to 15834 states and 21753 transitions. [2024-11-28 03:37:55,401 INFO L78 Accepts]: Start accepts. Automaton has 15834 states and 21753 transitions. Word has length 169 [2024-11-28 03:37:55,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:37:55,402 INFO L471 AbstractCegarLoop]: Abstraction has 15834 states and 21753 transitions. [2024-11-28 03:37:55,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-28 03:37:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 15834 states and 21753 transitions. [2024-11-28 03:37:55,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-28 03:37:55,408 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:37:55,408 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2024-11-28 03:37:55,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:37:55,409 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 03:37:55,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:55,410 INFO L85 PathProgramCache]: Analyzing trace with hash 657378656, now seen corresponding path program 1 times [2024-11-28 03:37:55,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:37:55,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812868964] [2024-11-28 03:37:55,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:55,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:37:58,572 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2024-11-28 03:37:58,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:37:58,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812868964] [2024-11-28 03:37:58,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812868964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:37:58,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:37:58,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:37:58,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241404459] [2024-11-28 03:37:58,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:37:58,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:37:58,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:37:58,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:37:58,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:37:58,574 INFO L87 Difference]: Start difference. First operand 15834 states and 21753 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-28 03:38:02,632 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 [] [2024-11-28 03:38:03,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:38:03,570 INFO L93 Difference]: Finished difference Result 46625 states and 64144 transitions. [2024-11-28 03:38:03,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:38:03,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 186 [2024-11-28 03:38:03,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:38:03,778 INFO L225 Difference]: With dead ends: 46625 [2024-11-28 03:38:03,778 INFO L226 Difference]: Without dead ends: 30885 [2024-11-28 03:38:03,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:38:03,842 INFO L435 NwaCegarLoop]: 2274 mSDtfsCounter, 2066 mSDsluCounter, 2121 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2066 SdHoareTripleChecker+Valid, 4395 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:38:03,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2066 Valid, 4395 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 03:38:03,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30885 states. [2024-11-28 03:38:05,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30885 to 30863. [2024-11-28 03:38:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30863 states, 22624 states have (on average 1.2476573550212164) internal successors, (28227), 22960 states have internal predecessors, (28227), 6623 states have call successors, (6623), 1638 states have call predecessors, (6623), 1613 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2024-11-28 03:38:05,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30863 states to 30863 states and 42454 transitions. [2024-11-28 03:38:05,299 INFO L78 Accepts]: Start accepts. Automaton has 30863 states and 42454 transitions. Word has length 186 [2024-11-28 03:38:05,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:38:05,301 INFO L471 AbstractCegarLoop]: Abstraction has 30863 states and 42454 transitions. [2024-11-28 03:38:05,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-28 03:38:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 30863 states and 42454 transitions. [2024-11-28 03:38:05,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-28 03:38:05,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:38:05,305 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2024-11-28 03:38:05,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:38:05,306 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 03:38:05,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:38:05,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1080080482, now seen corresponding path program 1 times [2024-11-28 03:38:05,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:38:05,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28319612] [2024-11-28 03:38:05,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:38:05,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:38:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:38:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-28 03:38:08,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:38:08,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28319612] [2024-11-28 03:38:08,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28319612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:38:08,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:38:08,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:38:08,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889300734] [2024-11-28 03:38:08,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:38:08,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:38:08,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:38:08,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:38:08,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:38:08,465 INFO L87 Difference]: Start difference. First operand 30863 states and 42454 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:38:09,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:38:09,753 INFO L93 Difference]: Finished difference Result 30869 states and 42459 transitions. [2024-11-28 03:38:09,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:38:09,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2024-11-28 03:38:09,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:38:09,946 INFO L225 Difference]: With dead ends: 30869 [2024-11-28 03:38:09,946 INFO L226 Difference]: Without dead ends: 30867 [2024-11-28 03:38:09,963 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 [2024-11-28 03:38:09,964 INFO L435 NwaCegarLoop]: 2144 mSDtfsCounter, 2098 mSDsluCounter, 4275 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 6419 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:38:09,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 6419 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:38:09,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30867 states. [2024-11-28 03:38:11,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30867 to 30867. [2024-11-28 03:38:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30867 states, 22627 states have (on average 1.2476245193795024) internal successors, (28230), 22963 states have internal predecessors, (28230), 6623 states have call successors, (6623), 1639 states have call predecessors, (6623), 1614 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2024-11-28 03:38:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30867 states to 30867 states and 42457 transitions. [2024-11-28 03:38:12,238 INFO L78 Accepts]: Start accepts. Automaton has 30867 states and 42457 transitions. Word has length 186 [2024-11-28 03:38:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:38:12,242 INFO L471 AbstractCegarLoop]: Abstraction has 30867 states and 42457 transitions. [2024-11-28 03:38:12,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:38:12,242 INFO L276 IsEmpty]: Start isEmpty. Operand 30867 states and 42457 transitions. [2024-11-28 03:38:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-28 03:38:12,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:38:12,248 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2024-11-28 03:38:12,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:38:12,249 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 03:38:12,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:38:12,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1124678163, now seen corresponding path program 1 times [2024-11-28 03:38:12,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:38:12,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134226261] [2024-11-28 03:38:12,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:38:12,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:38:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:38:15,986 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-28 03:38:15,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:38:15,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134226261] [2024-11-28 03:38:15,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134226261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:38:15,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:38:15,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:38:15,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475821967] [2024-11-28 03:38:15,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:38:15,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:38:15,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:38:15,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:38:15,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:38:15,988 INFO L87 Difference]: Start difference. First operand 30867 states and 42457 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:38:17,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:38:17,346 INFO L93 Difference]: Finished difference Result 30873 states and 42462 transitions. [2024-11-28 03:38:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:38:17,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2024-11-28 03:38:17,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:38:17,570 INFO L225 Difference]: With dead ends: 30873 [2024-11-28 03:38:17,570 INFO L226 Difference]: Without dead ends: 30871 [2024-11-28 03:38:17,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:38:17,597 INFO L435 NwaCegarLoop]: 2147 mSDtfsCounter, 2094 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 6423 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:38:17,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 6423 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:38:17,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30871 states. [2024-11-28 03:38:19,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30871 to 30871. [2024-11-28 03:38:19,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30871 states, 22630 states have (on average 1.2475916924436588) internal successors, (28233), 22966 states have internal predecessors, (28233), 6623 states have call successors, (6623), 1640 states have call predecessors, (6623), 1615 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2024-11-28 03:38:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30871 states to 30871 states and 42460 transitions. [2024-11-28 03:38:19,526 INFO L78 Accepts]: Start accepts. Automaton has 30871 states and 42460 transitions. Word has length 191 [2024-11-28 03:38:19,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:38:19,527 INFO L471 AbstractCegarLoop]: Abstraction has 30871 states and 42460 transitions. [2024-11-28 03:38:19,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:38:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 30871 states and 42460 transitions. [2024-11-28 03:38:19,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-28 03:38:19,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:38:19,531 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:38:19,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:38:19,532 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 03:38:19,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:38:19,533 INFO L85 PathProgramCache]: Analyzing trace with hash -122669374, now seen corresponding path program 1 times [2024-11-28 03:38:19,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:38:19,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474623609] [2024-11-28 03:38:19,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:38:19,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:38:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:38:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2024-11-28 03:38:24,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:38:24,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474623609] [2024-11-28 03:38:24,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474623609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:38:24,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:38:24,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:38:24,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626649797] [2024-11-28 03:38:24,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:38:24,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:38:24,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:38:24,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:38:24,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:38:24,428 INFO L87 Difference]: Start difference. First operand 30871 states and 42460 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 03:38:26,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:38:26,847 INFO L93 Difference]: Finished difference Result 30877 states and 42465 transitions. [2024-11-28 03:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:38:26,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2024-11-28 03:38:26,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:38:27,135 INFO L225 Difference]: With dead ends: 30877 [2024-11-28 03:38:27,136 INFO L226 Difference]: Without dead ends: 30875 [2024-11-28 03:38:27,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:38:27,168 INFO L435 NwaCegarLoop]: 2147 mSDtfsCounter, 2093 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 6423 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:38:27,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 6423 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:38:27,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30875 states. [2024-11-28 03:38:29,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30875 to 30875. [2024-11-28 03:38:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30875 states, 22633 states have (on average 1.247558874210224) internal successors, (28236), 22969 states have internal predecessors, (28236), 6623 states have call successors, (6623), 1641 states have call predecessors, (6623), 1616 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2024-11-28 03:38:29,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30875 states to 30875 states and 42463 transitions. [2024-11-28 03:38:29,448 INFO L78 Accepts]: Start accepts. Automaton has 30875 states and 42463 transitions. Word has length 196 [2024-11-28 03:38:29,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:38:29,449 INFO L471 AbstractCegarLoop]: Abstraction has 30875 states and 42463 transitions. [2024-11-28 03:38:29,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 03:38:29,450 INFO L276 IsEmpty]: Start isEmpty. Operand 30875 states and 42463 transitions. [2024-11-28 03:38:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-28 03:38:29,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:38:29,456 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:38:29,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:38:29,456 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 03:38:29,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:38:29,457 INFO L85 PathProgramCache]: Analyzing trace with hash 180610867, now seen corresponding path program 1 times [2024-11-28 03:38:29,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:38:29,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914074992] [2024-11-28 03:38:29,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:38:29,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:38:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:38:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2024-11-28 03:38:32,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:38:32,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914074992] [2024-11-28 03:38:32,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914074992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:38:32,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:38:32,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:38:32,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411698380] [2024-11-28 03:38:32,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:38:32,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:38:32,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:38:32,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:38:32,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:38:32,730 INFO L87 Difference]: Start difference. First operand 30875 states and 42463 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 03:38:34,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:38:34,069 INFO L93 Difference]: Finished difference Result 30881 states and 42468 transitions. [2024-11-28 03:38:34,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:38:34,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2024-11-28 03:38:34,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:38:34,243 INFO L225 Difference]: With dead ends: 30881 [2024-11-28 03:38:34,243 INFO L226 Difference]: Without dead ends: 30879 [2024-11-28 03:38:34,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:38:34,271 INFO L435 NwaCegarLoop]: 2147 mSDtfsCounter, 2092 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2093 SdHoareTripleChecker+Valid, 6423 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:38:34,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2093 Valid, 6423 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:38:34,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30879 states. [2024-11-28 03:38:36,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30879 to 30879. [2024-11-28 03:38:36,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30879 states, 22636 states have (on average 1.2475260646757378) internal successors, (28239), 22972 states have internal predecessors, (28239), 6623 states have call successors, (6623), 1642 states have call predecessors, (6623), 1617 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2024-11-28 03:38:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30879 states to 30879 states and 42466 transitions. [2024-11-28 03:38:36,193 INFO L78 Accepts]: Start accepts. Automaton has 30879 states and 42466 transitions. Word has length 201 [2024-11-28 03:38:36,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:38:36,193 INFO L471 AbstractCegarLoop]: Abstraction has 30879 states and 42466 transitions. [2024-11-28 03:38:36,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 03:38:36,194 INFO L276 IsEmpty]: Start isEmpty. Operand 30879 states and 42466 transitions. [2024-11-28 03:38:36,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-28 03:38:36,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:38:36,198 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 4, 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] [2024-11-28 03:38:36,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:38:36,198 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-28 03:38:36,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:38:36,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1651436834, now seen corresponding path program 1 times [2024-11-28 03:38:36,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:38:36,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478197831] [2024-11-28 03:38:36,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:38:36,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:38:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:38:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-28 03:38:40,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:38:40,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478197831] [2024-11-28 03:38:40,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478197831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:38:40,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:38:40,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:38:40,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953817273] [2024-11-28 03:38:40,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:38:40,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:38:40,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:38:40,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:38:40,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:38:40,424 INFO L87 Difference]: Start difference. First operand 30879 states and 42466 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)