./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-smsc-smsc911x.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_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:20:55,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:20:55,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 08:20:55,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:20:55,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:20:55,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:20:55,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:20:55,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:20:55,650 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:20:55,650 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:20:55,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:20:55,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:20:55,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:20:55,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:20:55,651 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:20:55,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:20:55,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:20:55,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:20:55,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:20:55,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:20:55,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:20:55,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:20:55,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:20:55,652 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:20:55,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:20:55,652 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:20:55,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:20:55,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:20:55,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:20:55,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:20:55,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:20:55,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:20:55,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:20:55,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:20:55,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:20:55,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:20:55,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:20:55,653 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:20:55,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:20:55,653 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:20:55,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:20:55,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:20:55,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:20:55,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:20:55,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:20:55,654 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_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 [2024-12-02 08:20:55,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:20:55,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:20:55,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:20:55,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:20:55,895 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:20:55,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2024-12-02 08:20:58,548 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/data/63f6a58b6/ed74d46dea90471ba69ce875c32d1f83/FLAG4080fc117 [2024-12-02 08:20:59,044 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:20:59,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2024-12-02 08:20:59,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/data/63f6a58b6/ed74d46dea90471ba69ce875c32d1f83/FLAG4080fc117 [2024-12-02 08:20:59,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/data/63f6a58b6/ed74d46dea90471ba69ce875c32d1f83 [2024-12-02 08:20:59,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:20:59,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:20:59,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:20:59,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:20:59,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:20:59,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:20:59" (1/1) ... [2024-12-02 08:20:59,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3aa560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:59, skipping insertion in model container [2024-12-02 08:20:59,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:20:59" (1/1) ... [2024-12-02 08:20:59,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:21:01,787 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_8863dbfc-5fc2-48ba-9679-2745ae730f29/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392538,392551] [2024-12-02 08:21:01,790 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_8863dbfc-5fc2-48ba-9679-2745ae730f29/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392707,392720] [2024-12-02 08:21:01,790 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_8863dbfc-5fc2-48ba-9679-2745ae730f29/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392874,392887] [2024-12-02 08:21:01,791 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_8863dbfc-5fc2-48ba-9679-2745ae730f29/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[393042,393055] [2024-12-02 08:21:01,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:21:01,855 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:21:01,960 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"); [5228] [2024-12-02 08:21:01,962 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)); [5235] [2024-12-02 08:21:01,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5242] [2024-12-02 08:21:01,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5441] [2024-12-02 08:21:01,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5449] [2024-12-02 08:21:01,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5456] [2024-12-02 08:21:01,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5463] [2024-12-02 08:21:01,978 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)); [5648-5649] [2024-12-02 08:21:01,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5655] [2024-12-02 08:21:01,990 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (164), "i" (12UL)); [6075-6076] [2024-12-02 08:21:01,992 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (180), "i" (12UL)); [6104-6105] [2024-12-02 08:21:02,003 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (210), "i" (12UL)); [6144-6145] [2024-12-02 08:21:02,005 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (229), "i" (12UL)); [6171-6172] [2024-12-02 08:21:02,014 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (269), "i" (12UL)); [6248-6249] [2024-12-02 08:21:02,016 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (303), "i" (12UL)); [6318-6319] [2024-12-02 08:21:02,018 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (335), "i" (12UL)); [6389-6390] [2024-12-02 08:21:02,020 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (369), "i" (12UL)); [6460-6461] [2024-12-02 08:21:02,047 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (811), "i" (12UL)); [7126-7127] [2024-12-02 08:21:02,047 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (812), "i" (12UL)); [7138-7139] [2024-12-02 08:21:02,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8235] [2024-12-02 08:21:02,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8536] [2024-12-02 08:21:02,138 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2273), "i" (12UL)); [9304-9305] [2024-12-02 08:21:02,138 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2275), "i" (12UL)); [9318-9319] [2024-12-02 08:21:02,139 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2276), "i" (12UL)); [9330-9331] [2024-12-02 08:21:02,139 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 *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2277), "i" (12UL)); [9342-9343] [2024-12-02 08:21:02,229 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_8863dbfc-5fc2-48ba-9679-2745ae730f29/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392538,392551] [2024-12-02 08:21:02,229 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_8863dbfc-5fc2-48ba-9679-2745ae730f29/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392707,392720] [2024-12-02 08:21:02,230 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_8863dbfc-5fc2-48ba-9679-2745ae730f29/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392874,392887] [2024-12-02 08:21:02,230 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_8863dbfc-5fc2-48ba-9679-2745ae730f29/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[393042,393055] [2024-12-02 08:21:02,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:21:02,495 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:21:02,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02 WrapperNode [2024-12-02 08:21:02,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:21:02,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:21:02,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:21:02,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:21:02,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:02,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:02,799 INFO L138 Inliner]: procedures = 549, calls = 2157, calls flagged for inlining = 287, calls inlined = 262, statements flattened = 7126 [2024-12-02 08:21:02,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:21:02,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:21:02,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:21:02,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:21:02,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:02,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:02,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:04,294 INFO L175 MemorySlicer]: Split 660 memory accesses to 8 slices as follows [8, 4, 8, 1, 2, 567, 44, 26]. 86 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [8, 0, 8, 1, 2, 15, 0, 0]. The 275 writes are split as follows [0, 2, 0, 0, 0, 249, 0, 24]. [2024-12-02 08:21:04,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:04,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:04,418 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:04,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:04,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:04,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:04,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:04,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:21:04,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:21:04,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:21:04,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:21:04,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (1/1) ... [2024-12-02 08:21:04,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:21:04,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:21:04,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:21:04,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8863dbfc-5fc2-48ba-9679-2745ae730f29/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:21:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 08:21:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 08:21:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_94 [2024-12-02 08:21:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_94 [2024-12-02 08:21:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 08:21:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 08:21:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 08:21:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 08:21:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_76 [2024-12-02 08:21:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_76 [2024-12-02 08:21:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 08:21:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 08:21:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 08:21:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 08:21:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-12-02 08:21:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-12-02 08:21:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2024-12-02 08:21:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2024-12-02 08:21:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2024-12-02 08:21:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2024-12-02 08:21:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 08:21:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 08:21:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 08:21:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 08:21:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2024-12-02 08:21:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2024-12-02 08:21:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2024-12-02 08:21:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2024-12-02 08:21:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2024-12-02 08:21:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2024-12-02 08:21:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 08:21:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 08:21:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 08:21:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 08:21:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 08:21:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 08:21:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 08:21:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 08:21:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 08:21:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 08:21:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 08:21:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 08:21:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2024-12-02 08:21:04,604 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2024-12-02 08:21:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2024-12-02 08:21:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2024-12-02 08:21:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2024-12-02 08:21:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2024-12-02 08:21:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-12-02 08:21:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-12-02 08:21:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:21:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 08:21:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 08:21:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2024-12-02 08:21:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2024-12-02 08:21:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2024-12-02 08:21:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2024-12-02 08:21:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 08:21:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 08:21:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 08:21:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 08:21:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2024-12-02 08:21:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2024-12-02 08:21:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2024-12-02 08:21:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2024-12-02 08:21:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-12-02 08:21:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 08:21:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2024-12-02 08:21:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 08:21:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 08:21:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2024-12-02 08:21:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:21:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:21:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:21:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:21:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:21:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:21:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:21:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:21:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:21:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:21:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 08:21:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 08:21:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2024-12-02 08:21:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2024-12-02 08:21:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2024-12-02 08:21:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2024-12-02 08:21:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2024-12-02 08:21:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2024-12-02 08:21:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 08:21:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 08:21:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2024-12-02 08:21:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2024-12-02 08:21:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:21:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 08:21:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 08:21:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 08:21:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 08:21:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-12-02 08:21:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-12-02 08:21:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-12-02 08:21:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-12-02 08:21:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 08:21:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 08:21:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 08:21:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 08:21:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2024-12-02 08:21:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2024-12-02 08:21:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2024-12-02 08:21:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:21:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 08:21:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 08:21:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 08:21:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2024-12-02 08:21:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 08:21:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2024-12-02 08:21:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2024-12-02 08:21:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 08:21:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 08:21:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2024-12-02 08:21:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2024-12-02 08:21:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2024-12-02 08:21:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2024-12-02 08:21:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 08:21:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2024-12-02 08:21:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2024-12-02 08:21:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2024-12-02 08:21:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2024-12-02 08:21:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_93 [2024-12-02 08:21:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_93 [2024-12-02 08:21:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-12-02 08:21:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-12-02 08:21:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2024-12-02 08:21:04,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2024-12-02 08:21:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:21:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 08:21:04,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 08:21:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 08:21:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 08:21:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 08:21:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2024-12-02 08:21:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2024-12-02 08:21:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2024-12-02 08:21:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2024-12-02 08:21:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 08:21:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 08:21:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2024-12-02 08:21:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2024-12-02 08:21:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-12-02 08:21:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2024-12-02 08:21:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2024-12-02 08:21:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 08:21:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 08:21:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2024-12-02 08:21:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2024-12-02 08:21:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2024-12-02 08:21:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2024-12-02 08:21:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2024-12-02 08:21:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2024-12-02 08:21:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2024-12-02 08:21:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 08:21:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2024-12-02 08:21:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-12-02 08:21:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 08:21:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-12-02 08:21:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 08:21:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 08:21:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-12-02 08:21:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-12-02 08:21:05,531 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:21:05,535 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:21:05,612 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 08:21:18,131 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 08:21:19,341 INFO L? ?]: Removed 2965 outVars from TransFormulas that were not future-live. [2024-12-02 08:21:19,341 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:21:19,387 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:21:19,387 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 08:21:19,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:21:19 BoogieIcfgContainer [2024-12-02 08:21:19,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:21:19,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:21:19,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:21:19,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:21:19,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:20:59" (1/3) ... [2024-12-02 08:21:19,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a26341c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:21:19, skipping insertion in model container [2024-12-02 08:21:19,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:21:02" (2/3) ... [2024-12-02 08:21:19,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a26341c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:21:19, skipping insertion in model container [2024-12-02 08:21:19,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:21:19" (3/3) ... [2024-12-02 08:21:19,396 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2024-12-02 08:21:19,411 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:21:19,414 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i that has 141 procedures, 3133 locations, 1 initial locations, 25 loop locations, and 3 error locations. [2024-12-02 08:21:19,553 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:21:19,562 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;@5599c523, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:21:19,562 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 08:21:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 3068 states, 2159 states have (on average 1.316350162112089) internal successors, (2842), 2196 states have internal predecessors, (2842), 783 states have call successors, (783), 126 states have call predecessors, (783), 125 states have return successors, (774), 765 states have call predecessors, (774), 774 states have call successors, (774) [2024-12-02 08:21:19,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-12-02 08:21:19,590 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:21:19,590 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:19,591 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)] === [2024-12-02 08:21:19,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:19,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1601475337, now seen corresponding path program 1 times [2024-12-02 08:21:19,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:21:19,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141721742] [2024-12-02 08:21:19,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:19,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-12-02 08:21:22,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:21:22,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141721742] [2024-12-02 08:21:22,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141721742] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:21:22,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:21:22,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:21:22,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141061209] [2024-12-02 08:21:22,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:21:22,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:21:22,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:21:22,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:21:22,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:22,874 INFO L87 Difference]: Start difference. First operand has 3068 states, 2159 states have (on average 1.316350162112089) internal successors, (2842), 2196 states have internal predecessors, (2842), 783 states have call successors, (783), 126 states have call predecessors, (783), 125 states have return successors, (774), 765 states have call predecessors, (774), 774 states have call successors, (774) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 08:21:26,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:21:27,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:21:27,516 INFO L93 Difference]: Finished difference Result 9000 states and 13483 transitions. [2024-12-02 08:21:27,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:21:27,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2024-12-02 08:21:27,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:21:27,568 INFO L225 Difference]: With dead ends: 9000 [2024-12-02 08:21:27,568 INFO L226 Difference]: Without dead ends: 5962 [2024-12-02 08:21:27,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:27,604 INFO L435 NwaCegarLoop]: 4354 mSDtfsCounter, 4175 mSDsluCounter, 4284 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4175 SdHoareTripleChecker+Valid, 8638 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:21:27,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4175 Valid, 8638 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 08:21:27,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5962 states. [2024-12-02 08:21:27,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5962 to 5958. [2024-12-02 08:21:27,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5958 states, 4217 states have (on average 1.297130661607778) internal successors, (5470), 4290 states have internal predecessors, (5470), 1492 states have call successors, (1492), 247 states have call predecessors, (1492), 246 states have return successors, (1488), 1470 states have call predecessors, (1488), 1488 states have call successors, (1488) [2024-12-02 08:21:27,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 8450 transitions. [2024-12-02 08:21:27,978 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 8450 transitions. Word has length 237 [2024-12-02 08:21:27,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:21:27,979 INFO L471 AbstractCegarLoop]: Abstraction has 5958 states and 8450 transitions. [2024-12-02 08:21:27,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 08:21:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 8450 transitions. [2024-12-02 08:21:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-12-02 08:21:27,985 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:21:27,985 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:27,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:21:27,986 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)] === [2024-12-02 08:21:27,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:27,986 INFO L85 PathProgramCache]: Analyzing trace with hash 2059998555, now seen corresponding path program 1 times [2024-12-02 08:21:27,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:21:27,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202791567] [2024-12-02 08:21:27,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:27,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-12-02 08:21:30,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:21:30,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202791567] [2024-12-02 08:21:30,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202791567] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:21:30,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:21:30,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:21:30,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758455939] [2024-12-02 08:21:30,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:21:30,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:21:30,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:21:30,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:21:30,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:30,611 INFO L87 Difference]: Start difference. First operand 5958 states and 8450 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 08:21:34,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:21:35,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:21:35,162 INFO L93 Difference]: Finished difference Result 17694 states and 25192 transitions. [2024-12-02 08:21:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:21:35,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2024-12-02 08:21:35,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:21:35,224 INFO L225 Difference]: With dead ends: 17694 [2024-12-02 08:21:35,224 INFO L226 Difference]: Without dead ends: 11779 [2024-12-02 08:21:35,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:35,246 INFO L435 NwaCegarLoop]: 4879 mSDtfsCounter, 4240 mSDsluCounter, 4253 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4240 SdHoareTripleChecker+Valid, 9132 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:21:35,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4240 Valid, 9132 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 08:21:35,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11779 states. [2024-12-02 08:21:35,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11779 to 11749. [2024-12-02 08:21:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11749 states, 8336 states have (on average 1.298824376199616) internal successors, (10827), 8488 states have internal predecessors, (10827), 2923 states have call successors, (2923), 492 states have call predecessors, (2923), 487 states have return successors, (3007), 2868 states have call predecessors, (3007), 2919 states have call successors, (3007) [2024-12-02 08:21:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11749 states to 11749 states and 16757 transitions. [2024-12-02 08:21:35,656 INFO L78 Accepts]: Start accepts. Automaton has 11749 states and 16757 transitions. Word has length 241 [2024-12-02 08:21:35,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:21:35,656 INFO L471 AbstractCegarLoop]: Abstraction has 11749 states and 16757 transitions. [2024-12-02 08:21:35,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 08:21:35,657 INFO L276 IsEmpty]: Start isEmpty. Operand 11749 states and 16757 transitions. [2024-12-02 08:21:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-12-02 08:21:35,661 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:21:35,661 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:35,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:21:35,662 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)] === [2024-12-02 08:21:35,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:35,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1175923009, now seen corresponding path program 1 times [2024-12-02 08:21:35,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:21:35,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880660502] [2024-12-02 08:21:35,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:35,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-12-02 08:21:38,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:21:38,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880660502] [2024-12-02 08:21:38,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880660502] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:21:38,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:21:38,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:21:38,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103131642] [2024-12-02 08:21:38,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:21:38,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:21:38,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:21:38,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:21:38,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:38,305 INFO L87 Difference]: Start difference. First operand 11749 states and 16757 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 08:21:42,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:21:43,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:21:43,513 INFO L93 Difference]: Finished difference Result 33919 states and 48325 transitions. [2024-12-02 08:21:43,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:21:43,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 248 [2024-12-02 08:21:43,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:21:43,654 INFO L225 Difference]: With dead ends: 33919 [2024-12-02 08:21:43,654 INFO L226 Difference]: Without dead ends: 22213 [2024-12-02 08:21:43,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:43,707 INFO L435 NwaCegarLoop]: 5896 mSDtfsCounter, 3879 mSDsluCounter, 4218 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3879 SdHoareTripleChecker+Valid, 10114 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 08:21:43,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3879 Valid, 10114 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 08:21:43,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22213 states. [2024-12-02 08:21:44,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22213 to 22179. [2024-12-02 08:21:44,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22179 states, 15692 states have (on average 1.2947361712974763) internal successors, (20317), 15986 states have internal predecessors, (20317), 5533 states have call successors, (5533), 960 states have call predecessors, (5533), 951 states have return successors, (5621), 5426 states have call predecessors, (5621), 5529 states have call successors, (5621) [2024-12-02 08:21:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22179 states to 22179 states and 31471 transitions. [2024-12-02 08:21:44,813 INFO L78 Accepts]: Start accepts. Automaton has 22179 states and 31471 transitions. Word has length 248 [2024-12-02 08:21:44,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:21:44,814 INFO L471 AbstractCegarLoop]: Abstraction has 22179 states and 31471 transitions. [2024-12-02 08:21:44,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 08:21:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 22179 states and 31471 transitions. [2024-12-02 08:21:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-12-02 08:21:44,820 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:21:44,820 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:44,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:21:44,821 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)] === [2024-12-02 08:21:44,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:44,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1597203023, now seen corresponding path program 1 times [2024-12-02 08:21:44,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:21:44,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9106204] [2024-12-02 08:21:44,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:44,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-12-02 08:21:47,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:21:47,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9106204] [2024-12-02 08:21:47,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9106204] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:21:47,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:21:47,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:21:47,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761423481] [2024-12-02 08:21:47,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:21:47,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:21:47,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:21:47,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:21:47,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:47,328 INFO L87 Difference]: Start difference. First operand 22179 states and 31471 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 08:21:51,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:21:52,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:21:52,634 INFO L93 Difference]: Finished difference Result 62429 states and 88807 transitions. [2024-12-02 08:21:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:21:52,634 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 248 [2024-12-02 08:21:52,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:21:52,772 INFO L225 Difference]: With dead ends: 62429 [2024-12-02 08:21:52,773 INFO L226 Difference]: Without dead ends: 40293 [2024-12-02 08:21:52,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:52,829 INFO L435 NwaCegarLoop]: 4538 mSDtfsCounter, 3716 mSDsluCounter, 4184 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3716 SdHoareTripleChecker+Valid, 8722 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:21:52,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3716 Valid, 8722 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 08:21:52,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40293 states. [2024-12-02 08:21:53,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40293 to 40251. [2024-12-02 08:21:53,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40251 states, 28286 states have (on average 1.2924061373117444) internal successors, (36557), 28852 states have internal predecessors, (36557), 10147 states have call successors, (10147), 1844 states have call predecessors, (10147), 1815 states have return successors, (10603), 9904 states have call predecessors, (10603), 10143 states have call successors, (10603) [2024-12-02 08:21:54,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40251 states to 40251 states and 57307 transitions. [2024-12-02 08:21:54,140 INFO L78 Accepts]: Start accepts. Automaton has 40251 states and 57307 transitions. Word has length 248 [2024-12-02 08:21:54,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:21:54,140 INFO L471 AbstractCegarLoop]: Abstraction has 40251 states and 57307 transitions. [2024-12-02 08:21:54,141 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 08:21:54,141 INFO L276 IsEmpty]: Start isEmpty. Operand 40251 states and 57307 transitions. [2024-12-02 08:21:54,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 08:21:54,146 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:21:54,146 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:21:54,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:21:54,147 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)] === [2024-12-02 08:21:54,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:54,147 INFO L85 PathProgramCache]: Analyzing trace with hash -392918600, now seen corresponding path program 1 times [2024-12-02 08:21:54,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:21:54,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685642453] [2024-12-02 08:21:54,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:54,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2024-12-02 08:21:56,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:21:56,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685642453] [2024-12-02 08:21:56,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685642453] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:21:56,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:21:56,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:21:56,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842536995] [2024-12-02 08:21:56,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:21:56,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:21:56,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:21:56,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:21:56,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:56,725 INFO L87 Difference]: Start difference. First operand 40251 states and 57307 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 08:22:00,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:22:02,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:22:02,312 INFO L93 Difference]: Finished difference Result 100364 states and 142796 transitions. [2024-12-02 08:22:02,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:22:02,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 264 [2024-12-02 08:22:02,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:22:02,557 INFO L225 Difference]: With dead ends: 100364 [2024-12-02 08:22:02,557 INFO L226 Difference]: Without dead ends: 60156 [2024-12-02 08:22:02,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:02,698 INFO L435 NwaCegarLoop]: 4419 mSDtfsCounter, 4181 mSDsluCounter, 4279 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4181 SdHoareTripleChecker+Valid, 8698 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:22:02,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4181 Valid, 8698 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 08:22:02,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60156 states. [2024-12-02 08:22:04,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60156 to 60098. [2024-12-02 08:22:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60098 states, 42242 states have (on average 1.2904692012688792) internal successors, (54512), 43118 states have internal predecessors, (54512), 15103 states have call successors, (15103), 2793 states have call predecessors, (15103), 2750 states have return successors, (15789), 14711 states have call predecessors, (15789), 15099 states have call successors, (15789) [2024-12-02 08:22:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60098 states to 60098 states and 85404 transitions. [2024-12-02 08:22:04,965 INFO L78 Accepts]: Start accepts. Automaton has 60098 states and 85404 transitions. Word has length 264 [2024-12-02 08:22:04,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:22:04,966 INFO L471 AbstractCegarLoop]: Abstraction has 60098 states and 85404 transitions. [2024-12-02 08:22:04,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 08:22:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 60098 states and 85404 transitions. [2024-12-02 08:22:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-12-02 08:22:04,969 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:22:04,969 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:22:04,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:22:04,969 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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)] === [2024-12-02 08:22:04,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:22:04,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1188217077, now seen corresponding path program 1 times [2024-12-02 08:22:04,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:22:04,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952994253] [2024-12-02 08:22:04,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:22:04,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:22:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:22:07,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2024-12-02 08:22:07,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:22:07,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952994253] [2024-12-02 08:22:07,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952994253] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:22:07,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:22:07,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:22:07,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991371031] [2024-12-02 08:22:07,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:22:07,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:22:07,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:22:07,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:22:07,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:07,937 INFO L87 Difference]: Start difference. First operand 60098 states and 85404 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 08:22:11,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:22:14,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:22:14,336 INFO L93 Difference]: Finished difference Result 159681 states and 226855 transitions. [2024-12-02 08:22:14,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:22:14,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 263 [2024-12-02 08:22:14,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:22:14,720 INFO L225 Difference]: With dead ends: 159681 [2024-12-02 08:22:14,720 INFO L226 Difference]: Without dead ends: 99626 [2024-12-02 08:22:14,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:14,946 INFO L435 NwaCegarLoop]: 4576 mSDtfsCounter, 4181 mSDsluCounter, 4278 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4181 SdHoareTripleChecker+Valid, 8854 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:22:14,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4181 Valid, 8854 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 08:22:15,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99626 states. [2024-12-02 08:22:17,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99626 to 99584. [2024-12-02 08:22:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99584 states, 69978 states have (on average 1.2889479550715939) internal successors, (90198), 71474 states have internal predecessors, (90198), 24999 states have call successors, (24999), 4675 states have call predecessors, (24999), 4604 states have return successors, (26145), 24309 states have call predecessors, (26145), 24995 states have call successors, (26145) [2024-12-02 08:22:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99584 states to 99584 states and 141342 transitions. [2024-12-02 08:22:18,378 INFO L78 Accepts]: Start accepts. Automaton has 99584 states and 141342 transitions. Word has length 263 [2024-12-02 08:22:18,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:22:18,379 INFO L471 AbstractCegarLoop]: Abstraction has 99584 states and 141342 transitions. [2024-12-02 08:22:18,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 08:22:18,379 INFO L276 IsEmpty]: Start isEmpty. Operand 99584 states and 141342 transitions. [2024-12-02 08:22:18,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-12-02 08:22:18,382 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:22:18,383 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:22:18,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:22:18,383 INFO L396 AbstractCegarLoop]: === Iteration 7 === 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)] === [2024-12-02 08:22:18,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:22:18,383 INFO L85 PathProgramCache]: Analyzing trace with hash -154263558, now seen corresponding path program 1 times [2024-12-02 08:22:18,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:22:18,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470142887] [2024-12-02 08:22:18,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:22:18,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:22:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:22:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1662 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2024-12-02 08:22:21,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:22:21,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470142887] [2024-12-02 08:22:21,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470142887] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:22:21,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:22:21,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:22:21,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709814485] [2024-12-02 08:22:21,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:22:21,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:22:21,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:22:21,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:22:21,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:21,345 INFO L87 Difference]: Start difference. First operand 99584 states and 141342 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 08:22:25,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:22:29,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:22:29,194 INFO L93 Difference]: Finished difference Result 238473 states and 338473 transitions. [2024-12-02 08:22:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:22:29,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 272 [2024-12-02 08:22:29,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:22:29,672 INFO L225 Difference]: With dead ends: 238473 [2024-12-02 08:22:29,672 INFO L226 Difference]: Without dead ends: 138932 [2024-12-02 08:22:29,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:29,976 INFO L435 NwaCegarLoop]: 8020 mSDtfsCounter, 4147 mSDsluCounter, 4256 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4147 SdHoareTripleChecker+Valid, 12276 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:22:29,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4147 Valid, 12276 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 60 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 08:22:30,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138932 states. [2024-12-02 08:22:34,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138932 to 138844. [2024-12-02 08:22:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138844 states, 98217 states have (on average 1.2901025280755878) internal successors, (126710), 100355 states have internal predecessors, (126710), 34117 states have call successors, (34117), 6624 states have call predecessors, (34117), 6507 states have return successors, (35873), 33068 states have call predecessors, (35873), 34113 states have call successors, (35873) [2024-12-02 08:22:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138844 states to 138844 states and 196700 transitions. [2024-12-02 08:22:35,044 INFO L78 Accepts]: Start accepts. Automaton has 138844 states and 196700 transitions. Word has length 272 [2024-12-02 08:22:35,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:22:35,044 INFO L471 AbstractCegarLoop]: Abstraction has 138844 states and 196700 transitions. [2024-12-02 08:22:35,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 08:22:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 138844 states and 196700 transitions. [2024-12-02 08:22:35,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-12-02 08:22:35,047 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:22:35,047 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:22:35,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:22:35,047 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)] === [2024-12-02 08:22:35,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:22:35,048 INFO L85 PathProgramCache]: Analyzing trace with hash 394364632, now seen corresponding path program 1 times [2024-12-02 08:22:35,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:22:35,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45498630] [2024-12-02 08:22:35,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:22:35,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:22:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:22:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2024-12-02 08:22:38,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:22:38,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45498630] [2024-12-02 08:22:38,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45498630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:22:38,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:22:38,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:22:38,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023203103] [2024-12-02 08:22:38,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:22:38,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:22:38,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:22:38,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:22:38,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:38,023 INFO L87 Difference]: Start difference. First operand 138844 states and 196700 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 08:22:42,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:22:48,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:22:48,849 INFO L93 Difference]: Finished difference Result 412630 states and 584887 transitions. [2024-12-02 08:22:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:22:49,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 293 [2024-12-02 08:22:49,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:22:50,254 INFO L225 Difference]: With dead ends: 412630 [2024-12-02 08:22:50,254 INFO L226 Difference]: Without dead ends: 273918 [2024-12-02 08:22:50,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:50,812 INFO L435 NwaCegarLoop]: 8034 mSDtfsCounter, 4133 mSDsluCounter, 4287 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4133 SdHoareTripleChecker+Valid, 12321 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:22:50,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4133 Valid, 12321 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 08:22:51,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273918 states. [2024-12-02 08:22:58,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273918 to 273914. [2024-12-02 08:22:58,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273914 states, 194076 states have (on average 1.2902934932706775) internal successors, (250415), 198030 states have internal predecessors, (250415), 67046 states have call successors, (67046), 12990 states have call predecessors, (67046), 12789 states have return successors, (70562), 65301 states have call predecessors, (70562), 67042 states have call successors, (70562) [2024-12-02 08:23:00,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273914 states to 273914 states and 388023 transitions. [2024-12-02 08:23:00,564 INFO L78 Accepts]: Start accepts. Automaton has 273914 states and 388023 transitions. Word has length 293 [2024-12-02 08:23:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:23:00,565 INFO L471 AbstractCegarLoop]: Abstraction has 273914 states and 388023 transitions. [2024-12-02 08:23:00,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 08:23:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 273914 states and 388023 transitions. [2024-12-02 08:23:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-12-02 08:23:00,569 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:23:00,569 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:23:00,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:23:00,569 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)] === [2024-12-02 08:23:00,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:23:00,570 INFO L85 PathProgramCache]: Analyzing trace with hash 534913242, now seen corresponding path program 1 times [2024-12-02 08:23:00,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:23:00,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788150451] [2024-12-02 08:23:00,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:23:00,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:23:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:23:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1819 trivial. 0 not checked. [2024-12-02 08:23:04,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:23:04,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788150451] [2024-12-02 08:23:04,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788150451] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:23:04,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:23:04,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:23:04,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917850862] [2024-12-02 08:23:04,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:23:04,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:23:04,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:23:04,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:23:04,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:23:04,086 INFO L87 Difference]: Start difference. First operand 273914 states and 388023 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 08:23:11,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:23:11,040 INFO L93 Difference]: Finished difference Result 273920 states and 388028 transitions. [2024-12-02 08:23:11,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:23:11,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 293 [2024-12-02 08:23:11,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:23:11,964 INFO L225 Difference]: With dead ends: 273920 [2024-12-02 08:23:11,964 INFO L226 Difference]: Without dead ends: 273918 [2024-12-02 08:23:12,039 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 [2024-12-02 08:23:12,040 INFO L435 NwaCegarLoop]: 4311 mSDtfsCounter, 4243 mSDsluCounter, 8608 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4244 SdHoareTripleChecker+Valid, 12919 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 [2024-12-02 08:23:12,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4244 Valid, 12919 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:23:12,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273918 states. [2024-12-02 08:23:20,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273918 to 273918. [2024-12-02 08:23:20,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273918 states, 194079 states have (on average 1.2902890060233203) internal successors, (250418), 198033 states have internal predecessors, (250418), 67046 states have call successors, (67046), 12991 states have call predecessors, (67046), 12790 states have return successors, (70562), 65301 states have call predecessors, (70562), 67042 states have call successors, (70562) [2024-12-02 08:23:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273918 states to 273918 states and 388026 transitions. [2024-12-02 08:23:22,712 INFO L78 Accepts]: Start accepts. Automaton has 273918 states and 388026 transitions. Word has length 293 [2024-12-02 08:23:22,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:23:22,713 INFO L471 AbstractCegarLoop]: Abstraction has 273918 states and 388026 transitions. [2024-12-02 08:23:22,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 08:23:22,713 INFO L276 IsEmpty]: Start isEmpty. Operand 273918 states and 388026 transitions. [2024-12-02 08:23:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-12-02 08:23:22,715 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:23:22,716 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:23:22,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:23:22,716 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)] === [2024-12-02 08:23:22,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:23:22,716 INFO L85 PathProgramCache]: Analyzing trace with hash 521321626, now seen corresponding path program 1 times [2024-12-02 08:23:22,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:23:22,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540727847] [2024-12-02 08:23:22,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:23:22,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:23:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:23:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1819 trivial. 0 not checked. [2024-12-02 08:23:25,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:23:25,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540727847] [2024-12-02 08:23:25,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540727847] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:23:25,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:23:25,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:23:25,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932345952] [2024-12-02 08:23:25,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:23:25,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:23:25,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:23:25,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:23:25,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:23:25,758 INFO L87 Difference]: Start difference. First operand 273918 states and 388026 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 08:23:32,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:23:32,453 INFO L93 Difference]: Finished difference Result 273924 states and 388031 transitions. [2024-12-02 08:23:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:23:32,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 298 [2024-12-02 08:23:32,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:23:33,427 INFO L225 Difference]: With dead ends: 273924 [2024-12-02 08:23:33,427 INFO L226 Difference]: Without dead ends: 273922 [2024-12-02 08:23:33,503 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 [2024-12-02 08:23:33,503 INFO L435 NwaCegarLoop]: 4314 mSDtfsCounter, 4239 mSDsluCounter, 8609 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4240 SdHoareTripleChecker+Valid, 12923 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:23:33,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4240 Valid, 12923 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:23:33,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273922 states. [2024-12-02 08:23:42,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273922 to 273922. [2024-12-02 08:23:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273922 states, 194082 states have (on average 1.2902845189146857) internal successors, (250421), 198036 states have internal predecessors, (250421), 67046 states have call successors, (67046), 12992 states have call predecessors, (67046), 12791 states have return successors, (70562), 65301 states have call predecessors, (70562), 67042 states have call successors, (70562) [2024-12-02 08:23:44,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273922 states to 273922 states and 388029 transitions. [2024-12-02 08:23:44,333 INFO L78 Accepts]: Start accepts. Automaton has 273922 states and 388029 transitions. Word has length 298 [2024-12-02 08:23:44,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:23:44,333 INFO L471 AbstractCegarLoop]: Abstraction has 273922 states and 388029 transitions. [2024-12-02 08:23:44,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 08:23:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 273922 states and 388029 transitions. [2024-12-02 08:23:44,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-12-02 08:23:44,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:23:44,336 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:23:44,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:23:44,336 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)] === [2024-12-02 08:23:44,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:23:44,336 INFO L85 PathProgramCache]: Analyzing trace with hash -456486758, now seen corresponding path program 1 times [2024-12-02 08:23:44,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:23:44,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624046706] [2024-12-02 08:23:44,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:23:44,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms