./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-fealnx.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_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d612e3d3aaa54cbaaae78896c02f6ca9c3968df93584b0bde88897a60cfa04a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:18:29,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:18:29,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:18:29,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:18:29,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:18:29,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:18:29,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:18:29,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:18:29,682 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:18:29,682 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:18:29,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:18:29,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:18:29,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:18:29,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:18:29,683 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:18:29,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:18:29,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:18:29,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:18:29,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:18:29,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:18:29,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:18:29,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:18:29,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:18:29,685 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:18:29,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:18:29,686 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:18:29,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:18:29,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:18:29,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:18:29,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:18:29,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:18:29,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:18:29,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:18:29,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:18:29,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:18:29,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:18:29,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:18:29,688 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:18:29,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:18:29,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:18:29,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:18:29,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:18:29,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:18:29,688 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:18:29,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:18:29,688 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_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d612e3d3aaa54cbaaae78896c02f6ca9c3968df93584b0bde88897a60cfa04a [2024-11-27 20:18:30,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:18:30,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:18:30,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:18:30,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:18:30,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:18:30,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2024-11-27 20:18:33,792 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/data/f4f296aeb/d5f639edf03a4510930074f66564c67e/FLAG3a92aa5e6 [2024-11-27 20:18:34,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:18:34,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2024-11-27 20:18:34,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/data/f4f296aeb/d5f639edf03a4510930074f66564c67e/FLAG3a92aa5e6 [2024-11-27 20:18:34,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/data/f4f296aeb/d5f639edf03a4510930074f66564c67e [2024-11-27 20:18:34,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:18:34,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:18:34,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:18:34,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:18:34,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:18:34,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:18:34" (1/1) ... [2024-11-27 20:18:34,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4733e2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:34, skipping insertion in model container [2024-11-27 20:18:34,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:18:34" (1/1) ... [2024-11-27 20:18:34,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:18:38,319 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_543279b3-6b38-45f6-89c2-ce748a6bd5de/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2024-11-27 20:18:38,323 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_543279b3-6b38-45f6-89c2-ce748a6bd5de/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2024-11-27 20:18:38,324 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_543279b3-6b38-45f6-89c2-ce748a6bd5de/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2024-11-27 20:18:38,325 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_543279b3-6b38-45f6-89c2-ce748a6bd5de/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2024-11-27 20:18:38,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:18:38,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:18:38,580 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"); [5241] [2024-11-27 20:18:38,583 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)); [5248] [2024-11-27 20:18:38,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5255] [2024-11-27 20:18:38,586 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5294-5295] [2024-11-27 20:18:38,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5300-5302] [2024-11-27 20:18:38,600 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/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5511-5512] [2024-11-27 20:18:38,603 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/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5545-5546] [2024-11-27 20:18:38,605 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/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5582-5583] [2024-11-27 20:18:38,607 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/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5619-5620] [2024-11-27 20:18:38,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7057] [2024-11-27 20:18:39,013 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_543279b3-6b38-45f6-89c2-ce748a6bd5de/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2024-11-27 20:18:39,015 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_543279b3-6b38-45f6-89c2-ce748a6bd5de/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2024-11-27 20:18:39,015 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_543279b3-6b38-45f6-89c2-ce748a6bd5de/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2024-11-27 20:18:39,016 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_543279b3-6b38-45f6-89c2-ce748a6bd5de/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2024-11-27 20:18:39,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:18:39,322 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:18:39,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39 WrapperNode [2024-11-27 20:18:39,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:18:39,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:18:39,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:18:39,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:18:39,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:39,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:39,733 INFO L138 Inliner]: procedures = 434, calls = 1823, calls flagged for inlining = 216, calls inlined = 199, statements flattened = 4821 [2024-11-27 20:18:39,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:18:39,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:18:39,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:18:39,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:18:39,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:39,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:39,791 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:41,062 INFO L175 MemorySlicer]: Split 923 memory accesses to 16 slices as follows [7, 1, 2, 9, 10, 2, 8, 765, 54, 1, 3, 1, 3, 2, 7, 48]. 83 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [7, 1, 2, 8, 8, 0, 6, 19, 0, 0, 1, 0, 0, 0, 0, 18]. The 422 writes are split as follows [0, 0, 0, 0, 0, 1, 0, 343, 42, 1, 0, 0, 0, 1, 4, 30]. [2024-11-27 20:18:41,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:41,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:41,251 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:41,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:41,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:41,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:41,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:41,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:18:41,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:18:41,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:18:41,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:18:41,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (1/1) ... [2024-11-27 20:18:41,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:18:41,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:18:41,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:18:41,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543279b3-6b38-45f6-89c2-ce748a6bd5de/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:18:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2024-11-27 20:18:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2024-11-27 20:18:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-27 20:18:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-27 20:18:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-27 20:18:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-27 20:18:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 20:18:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 20:18:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-27 20:18:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-27 20:18:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-27 20:18:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-27 20:18:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 20:18:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 20:18:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 20:18:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 20:18:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-27 20:18:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-27 20:18:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_79 [2024-11-27 20:18:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_79 [2024-11-27 20:18:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2024-11-27 20:18:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2024-11-27 20:18:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-27 20:18:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-27 20:18:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-27 20:18:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-27 20:18:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-27 20:18:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-27 20:18:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-27 20:18:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-27 20:18:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2024-11-27 20:18:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2024-11-27 20:18:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-27 20:18:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-27 20:18:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 20:18:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 20:18:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-27 20:18:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-27 20:18:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2024-11-27 20:18:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2024-11-27 20:18:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2024-11-27 20:18:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2024-11-27 20:18:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-27 20:18:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-27 20:18:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:18:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-11-27 20:18:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-11-27 20:18:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-27 20:18:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-27 20:18:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 20:18:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 20:18:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 20:18:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 20:18:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 20:18:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2024-11-27 20:18:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2024-11-27 20:18:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-27 20:18:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-27 20:18:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2024-11-27 20:18:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2024-11-27 20:18:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:18:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:18:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:18:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:18:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:18:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:18:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 20:18:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 20:18:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 20:18:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 20:18:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 20:18:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 20:18:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 20:18:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 20:18:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 20:18:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 20:18:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-27 20:18:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-27 20:18:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-27 20:18:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 20:18:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 20:18:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 20:18:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 20:18:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 20:18:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-27 20:18:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-27 20:18:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-27 20:18:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-27 20:18:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-27 20:18:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-27 20:18:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-27 20:18:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-27 20:18:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-27 20:18:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-27 20:18:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-27 20:18:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-27 20:18:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-27 20:18:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-27 20:18:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:18:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-27 20:18:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-27 20:18:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-27 20:18:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-27 20:18:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:18:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2024-11-27 20:18:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2024-11-27 20:18:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 20:18:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 20:18:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-27 20:18:41,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-27 20:18:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:18:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:18:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:18:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:18:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 20:18:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 20:18:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-27 20:18:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-27 20:18:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-27 20:18:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-27 20:18:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-27 20:18:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-27 20:18:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-27 20:18:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-27 20:18:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-27 20:18:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-27 20:18:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-27 20:18:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-27 20:18:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2024-11-27 20:18:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2024-11-27 20:18:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-27 20:18:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:18:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 20:18:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 20:18:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 20:18:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 20:18:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 20:18:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 20:18:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 20:18:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2024-11-27 20:18:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2024-11-27 20:18:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 20:18:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 20:18:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-27 20:18:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-27 20:18:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2024-11-27 20:18:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2024-11-27 20:18:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2024-11-27 20:18:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2024-11-27 20:18:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-27 20:18:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-27 20:18:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-27 20:18:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-27 20:18:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-27 20:18:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-27 20:18:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_78 [2024-11-27 20:18:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_78 [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-27 20:18:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-27 20:18:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2024-11-27 20:18:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-27 20:18:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:18:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-27 20:18:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 20:18:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 20:18:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-27 20:18:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-27 20:18:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-27 20:18:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2024-11-27 20:18:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2024-11-27 20:18:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-27 20:18:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-27 20:18:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2024-11-27 20:18:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2024-11-27 20:18:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-27 20:18:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-27 20:18:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-27 20:18:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-27 20:18:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-27 20:18:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2024-11-27 20:18:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2024-11-27 20:18:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 20:18:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2024-11-27 20:18:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 20:18:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-27 20:18:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-27 20:18:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-27 20:18:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:18:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 20:18:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-27 20:18:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-27 20:18:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2024-11-27 20:18:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2024-11-27 20:18:43,093 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:18:43,098 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:18:43,410 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 20:18:59,281 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-27 20:19:00,394 INFO L? ?]: Removed 2353 outVars from TransFormulas that were not future-live. [2024-11-27 20:19:00,394 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:19:00,472 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:19:00,472 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:19:00,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:19:00 BoogieIcfgContainer [2024-11-27 20:19:00,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:19:00,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:19:00,480 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:19:00,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:19:00,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:18:34" (1/3) ... [2024-11-27 20:19:00,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0ba7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:19:00, skipping insertion in model container [2024-11-27 20:19:00,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:39" (2/3) ... [2024-11-27 20:19:00,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0ba7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:19:00, skipping insertion in model container [2024-11-27 20:19:00,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:19:00" (3/3) ... [2024-11-27 20:19:00,497 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2024-11-27 20:19:00,518 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:19:00,525 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i that has 100 procedures, 1965 locations, 1 initial locations, 19 loop locations, and 3 error locations. [2024-11-27 20:19:00,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:19:00,669 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;@5f3b33f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:19:00,669 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-27 20:19:00,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 1903 states, 1405 states have (on average 1.3330960854092526) internal successors, (1873), 1425 states have internal predecessors, (1873), 412 states have call successors, (412), 84 states have call predecessors, (412), 83 states have return successors, (406), 403 states have call predecessors, (406), 406 states have call successors, (406) [2024-11-27 20:19:00,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-27 20:19:00,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:19:00,711 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:19:00,711 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 20:19:00,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:00,718 INFO L85 PathProgramCache]: Analyzing trace with hash -163449274, now seen corresponding path program 1 times [2024-11-27 20:19:00,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:19:00,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472178267] [2024-11-27 20:19:00,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:00,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:19:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-27 20:19:08,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:19:08,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472178267] [2024-11-27 20:19:08,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472178267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:19:08,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:19:08,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:19:08,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188776309] [2024-11-27 20:19:08,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:19:08,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:19:08,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:19:08,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:19:08,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:08,638 INFO L87 Difference]: Start difference. First operand has 1903 states, 1405 states have (on average 1.3330960854092526) internal successors, (1873), 1425 states have internal predecessors, (1873), 412 states have call successors, (412), 84 states have call predecessors, (412), 83 states have return successors, (406), 403 states have call predecessors, (406), 406 states have call successors, (406) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 20:19:12,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:19:13,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:19:13,822 INFO L93 Difference]: Finished difference Result 5566 states and 8045 transitions. [2024-11-27 20:19:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:19:13,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2024-11-27 20:19:13,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:19:13,889 INFO L225 Difference]: With dead ends: 5566 [2024-11-27 20:19:13,890 INFO L226 Difference]: Without dead ends: 3676 [2024-11-27 20:19:13,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:13,918 INFO L435 NwaCegarLoop]: 2681 mSDtfsCounter, 2534 mSDsluCounter, 2608 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2534 SdHoareTripleChecker+Valid, 5289 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:19:13,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2534 Valid, 5289 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-27 20:19:13,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2024-11-27 20:19:14,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3672. [2024-11-27 20:19:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3672 states, 2738 states have (on average 1.318845872899927) internal successors, (3611), 2777 states have internal predecessors, (3611), 769 states have call successors, (769), 163 states have call predecessors, (769), 162 states have return successors, (765), 759 states have call predecessors, (765), 765 states have call successors, (765) [2024-11-27 20:19:14,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3672 states to 3672 states and 5145 transitions. [2024-11-27 20:19:14,377 INFO L78 Accepts]: Start accepts. Automaton has 3672 states and 5145 transitions. Word has length 127 [2024-11-27 20:19:14,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:19:14,383 INFO L471 AbstractCegarLoop]: Abstraction has 3672 states and 5145 transitions. [2024-11-27 20:19:14,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 20:19:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 3672 states and 5145 transitions. [2024-11-27 20:19:14,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-27 20:19:14,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:19:14,398 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:19:14,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:19:14,399 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 20:19:14,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:14,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1441388940, now seen corresponding path program 1 times [2024-11-27 20:19:14,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:19:14,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184614327] [2024-11-27 20:19:14,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:14,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:19:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-27 20:19:20,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:19:20,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184614327] [2024-11-27 20:19:20,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184614327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:19:20,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:19:20,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:19:20,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130231398] [2024-11-27 20:19:20,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:19:20,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:19:20,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:19:20,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:19:20,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:20,617 INFO L87 Difference]: Start difference. First operand 3672 states and 5145 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 20:19:24,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:19:25,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:19:25,709 INFO L93 Difference]: Finished difference Result 10240 states and 14295 transitions. [2024-11-27 20:19:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:19:25,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 129 [2024-11-27 20:19:25,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:19:25,768 INFO L225 Difference]: With dead ends: 10240 [2024-11-27 20:19:25,768 INFO L226 Difference]: Without dead ends: 6591 [2024-11-27 20:19:25,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:25,789 INFO L435 NwaCegarLoop]: 2836 mSDtfsCounter, 2113 mSDsluCounter, 2574 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 5410 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:19:25,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2113 Valid, 5410 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-27 20:19:25,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6591 states. [2024-11-27 20:19:26,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6591 to 6561. [2024-11-27 20:19:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6561 states, 4860 states have (on average 1.30679012345679) internal successors, (6351), 4932 states have internal predecessors, (6351), 1385 states have call successors, (1385), 316 states have call predecessors, (1385), 313 states have return successors, (1399), 1358 states have call predecessors, (1399), 1381 states have call successors, (1399) [2024-11-27 20:19:26,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6561 states to 6561 states and 9135 transitions. [2024-11-27 20:19:26,243 INFO L78 Accepts]: Start accepts. Automaton has 6561 states and 9135 transitions. Word has length 129 [2024-11-27 20:19:26,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:19:26,244 INFO L471 AbstractCegarLoop]: Abstraction has 6561 states and 9135 transitions. [2024-11-27 20:19:26,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 20:19:26,245 INFO L276 IsEmpty]: Start isEmpty. Operand 6561 states and 9135 transitions. [2024-11-27 20:19:26,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 20:19:26,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:19:26,252 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:19:26,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:19:26,252 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 20:19:26,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:26,252 INFO L85 PathProgramCache]: Analyzing trace with hash 577806900, now seen corresponding path program 1 times [2024-11-27 20:19:26,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:19:26,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636214255] [2024-11-27 20:19:26,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:26,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:19:31,661 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-27 20:19:31,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:19:31,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636214255] [2024-11-27 20:19:31,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636214255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:19:31,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:19:31,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:19:31,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692218519] [2024-11-27 20:19:31,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:19:31,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:19:31,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:19:31,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:19:31,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:31,667 INFO L87 Difference]: Start difference. First operand 6561 states and 9135 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 20:19:35,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:19:37,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:19:37,647 INFO L93 Difference]: Finished difference Result 18773 states and 26183 transitions. [2024-11-27 20:19:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:19:37,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 134 [2024-11-27 20:19:37,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:19:37,749 INFO L225 Difference]: With dead ends: 18773 [2024-11-27 20:19:37,750 INFO L226 Difference]: Without dead ends: 12235 [2024-11-27 20:19:37,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:37,785 INFO L435 NwaCegarLoop]: 2660 mSDtfsCounter, 2317 mSDsluCounter, 2570 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 5230 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:19:37,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2317 Valid, 5230 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-27 20:19:37,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12235 states. [2024-11-27 20:19:38,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12235 to 12203. [2024-11-27 20:19:38,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12203 states, 8998 states have (on average 1.3099577683929762) internal successors, (11787), 9136 states have internal predecessors, (11787), 2597 states have call successors, (2597), 610 states have call predecessors, (2597), 605 states have return successors, (2635), 2538 states have call predecessors, (2635), 2593 states have call successors, (2635) [2024-11-27 20:19:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12203 states to 12203 states and 17019 transitions. [2024-11-27 20:19:38,616 INFO L78 Accepts]: Start accepts. Automaton has 12203 states and 17019 transitions. Word has length 134 [2024-11-27 20:19:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:19:38,617 INFO L471 AbstractCegarLoop]: Abstraction has 12203 states and 17019 transitions. [2024-11-27 20:19:38,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 20:19:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 12203 states and 17019 transitions. [2024-11-27 20:19:38,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 20:19:38,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:19:38,623 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:19:38,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:19:38,623 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 20:19:38,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:38,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1031790339, now seen corresponding path program 1 times [2024-11-27 20:19:38,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:19:38,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090936248] [2024-11-27 20:19:38,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:38,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:19:45,155 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-27 20:19:45,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:19:45,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090936248] [2024-11-27 20:19:45,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090936248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:19:45,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:19:45,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:19:45,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487711345] [2024-11-27 20:19:45,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:19:45,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:19:45,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:19:45,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:19:45,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:45,159 INFO L87 Difference]: Start difference. First operand 12203 states and 17019 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 20:19:49,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:19:51,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:19:51,113 INFO L93 Difference]: Finished difference Result 22940 states and 31984 transitions. [2024-11-27 20:19:51,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:19:51,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 134 [2024-11-27 20:19:51,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:19:51,283 INFO L225 Difference]: With dead ends: 22940 [2024-11-27 20:19:51,283 INFO L226 Difference]: Without dead ends: 10760 [2024-11-27 20:19:51,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:51,380 INFO L435 NwaCegarLoop]: 3154 mSDtfsCounter, 1821 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 5731 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:19:51,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1821 Valid, 5731 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-27 20:19:51,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10760 states. [2024-11-27 20:19:52,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10760 to 10728. [2024-11-27 20:19:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10728 states, 7961 states have (on average 1.314030900640623) internal successors, (10461), 8074 states have internal predecessors, (10461), 2199 states have call successors, (2199), 572 states have call predecessors, (2199), 565 states have return successors, (2216), 2143 states have call predecessors, (2216), 2195 states have call successors, (2216) [2024-11-27 20:19:52,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10728 states to 10728 states and 14876 transitions. [2024-11-27 20:19:52,238 INFO L78 Accepts]: Start accepts. Automaton has 10728 states and 14876 transitions. Word has length 134 [2024-11-27 20:19:52,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:19:52,239 INFO L471 AbstractCegarLoop]: Abstraction has 10728 states and 14876 transitions. [2024-11-27 20:19:52,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 20:19:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 10728 states and 14876 transitions. [2024-11-27 20:19:52,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 20:19:52,242 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:19:52,242 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:19:52,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:19:52,243 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 20:19:52,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:52,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1371567593, now seen corresponding path program 1 times [2024-11-27 20:19:52,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:19:52,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253468825] [2024-11-27 20:19:52,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:52,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:19:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-27 20:19:58,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:19:58,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253468825] [2024-11-27 20:19:58,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253468825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:19:58,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:19:58,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:19:58,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604326183] [2024-11-27 20:19:58,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:19:58,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:19:58,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:19:58,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:19:58,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:58,163 INFO L87 Difference]: Start difference. First operand 10728 states and 14876 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 20:20:02,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:03,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:20:03,281 INFO L93 Difference]: Finished difference Result 29899 states and 41368 transitions. [2024-11-27 20:20:03,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:20:03,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 134 [2024-11-27 20:20:03,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:20:03,404 INFO L225 Difference]: With dead ends: 29899 [2024-11-27 20:20:03,404 INFO L226 Difference]: Without dead ends: 19194 [2024-11-27 20:20:03,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:20:03,451 INFO L435 NwaCegarLoop]: 3268 mSDtfsCounter, 2527 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2527 SdHoareTripleChecker+Valid, 5833 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:20:03,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2527 Valid, 5833 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-27 20:20:03,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19194 states. [2024-11-27 20:20:04,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19194 to 19155. [2024-11-27 20:20:04,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19155 states, 14259 states have (on average 1.308577039063048) internal successors, (18659), 14491 states have internal predecessors, (18659), 3877 states have call successors, (3877), 1035 states have call predecessors, (3877), 1016 states have return successors, (3922), 3748 states have call predecessors, (3922), 3873 states have call successors, (3922) [2024-11-27 20:20:04,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19155 states to 19155 states and 26458 transitions. [2024-11-27 20:20:04,515 INFO L78 Accepts]: Start accepts. Automaton has 19155 states and 26458 transitions. Word has length 134 [2024-11-27 20:20:04,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:20:04,516 INFO L471 AbstractCegarLoop]: Abstraction has 19155 states and 26458 transitions. [2024-11-27 20:20:04,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 20:20:04,518 INFO L276 IsEmpty]: Start isEmpty. Operand 19155 states and 26458 transitions. [2024-11-27 20:20:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-27 20:20:04,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:20:04,526 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 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] [2024-11-27 20:20:04,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:20:04,526 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)] === [2024-11-27 20:20:04,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:20:04,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1921102590, now seen corresponding path program 1 times [2024-11-27 20:20:04,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:20:04,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745253102] [2024-11-27 20:20:04,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:20:04,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:20:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:20:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-27 20:20:10,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:20:10,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745253102] [2024-11-27 20:20:10,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745253102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:20:10,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:20:10,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:20:10,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592825746] [2024-11-27 20:20:10,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:20:10,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:20:10,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:20:10,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:20:10,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:20:10,607 INFO L87 Difference]: Start difference. First operand 19155 states and 26458 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-27 20:20:14,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:16,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:20:16,309 INFO L93 Difference]: Finished difference Result 56117 states and 77577 transitions. [2024-11-27 20:20:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:20:16,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 157 [2024-11-27 20:20:16,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:20:16,546 INFO L225 Difference]: With dead ends: 56117 [2024-11-27 20:20:16,546 INFO L226 Difference]: Without dead ends: 36985 [2024-11-27 20:20:16,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:20:16,623 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 2592 mSDsluCounter, 2631 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2592 SdHoareTripleChecker+Valid, 5857 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:20:16,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2592 Valid, 5857 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-27 20:20:16,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36985 states. [2024-11-27 20:20:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36985 to 36927. [2024-11-27 20:20:18,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36927 states, 27459 states have (on average 1.3083870497833132) internal successors, (35927), 27941 states have internal predecessors, (35927), 7506 states have call successors, (7506), 1996 states have call predecessors, (7506), 1959 states have return successors, (7600), 7227 states have call predecessors, (7600), 7502 states have call successors, (7600) [2024-11-27 20:20:18,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36927 states to 36927 states and 51033 transitions. [2024-11-27 20:20:18,713 INFO L78 Accepts]: Start accepts. Automaton has 36927 states and 51033 transitions. Word has length 157 [2024-11-27 20:20:18,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:20:18,713 INFO L471 AbstractCegarLoop]: Abstraction has 36927 states and 51033 transitions. [2024-11-27 20:20:18,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-27 20:20:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 36927 states and 51033 transitions. [2024-11-27 20:20:18,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-27 20:20:18,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:20:18,719 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2024-11-27 20:20:18,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:20:18,720 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 20:20:18,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:20:18,720 INFO L85 PathProgramCache]: Analyzing trace with hash 123462004, now seen corresponding path program 1 times [2024-11-27 20:20:18,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:20:18,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853365517] [2024-11-27 20:20:18,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:20:18,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:20:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:20:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-27 20:20:24,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:20:24,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853365517] [2024-11-27 20:20:24,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853365517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:20:24,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:20:24,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:20:24,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475751485] [2024-11-27 20:20:24,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:20:24,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:20:24,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:20:24,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:20:24,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:20:24,642 INFO L87 Difference]: Start difference. First operand 36927 states and 51033 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 20:20:28,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:31,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:20:31,626 INFO L93 Difference]: Finished difference Result 108601 states and 150254 transitions. [2024-11-27 20:20:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:20:31,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 188 [2024-11-27 20:20:31,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:20:32,140 INFO L225 Difference]: With dead ends: 108601 [2024-11-27 20:20:32,140 INFO L226 Difference]: Without dead ends: 71753 [2024-11-27 20:20:32,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:20:32,291 INFO L435 NwaCegarLoop]: 3441 mSDtfsCounter, 2495 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2495 SdHoareTripleChecker+Valid, 6061 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:20:32,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2495 Valid, 6061 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-27 20:20:32,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71753 states. [2024-11-27 20:20:35,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71753 to 71749. [2024-11-27 20:20:35,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71749 states, 53595 states have (on average 1.309916969866592) internal successors, (70205), 54413 states have internal predecessors, (70205), 14378 states have call successors, (14378), 3830 states have call predecessors, (14378), 3773 states have return successors, (14570), 13981 states have call predecessors, (14570), 14374 states have call successors, (14570) [2024-11-27 20:20:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71749 states to 71749 states and 99153 transitions. [2024-11-27 20:20:36,282 INFO L78 Accepts]: Start accepts. Automaton has 71749 states and 99153 transitions. Word has length 188 [2024-11-27 20:20:36,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:20:36,283 INFO L471 AbstractCegarLoop]: Abstraction has 71749 states and 99153 transitions. [2024-11-27 20:20:36,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 20:20:36,284 INFO L276 IsEmpty]: Start isEmpty. Operand 71749 states and 99153 transitions. [2024-11-27 20:20:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-27 20:20:36,290 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:20:36,291 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2024-11-27 20:20:36,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:20:36,291 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 20:20:36,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:20:36,292 INFO L85 PathProgramCache]: Analyzing trace with hash 264010614, now seen corresponding path program 1 times [2024-11-27 20:20:36,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:20:36,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150653149] [2024-11-27 20:20:36,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:20:36,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:20:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:20:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-27 20:20:43,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:20:43,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150653149] [2024-11-27 20:20:43,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150653149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:20:43,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:20:43,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:20:43,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266031972] [2024-11-27 20:20:43,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:20:43,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:20:43,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:20:43,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:20:43,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:20:43,424 INFO L87 Difference]: Start difference. First operand 71749 states and 99153 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 20:20:46,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:20:46,282 INFO L93 Difference]: Finished difference Result 71755 states and 99158 transitions. [2024-11-27 20:20:46,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:20:46,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 188 [2024-11-27 20:20:46,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:20:46,983 INFO L225 Difference]: With dead ends: 71755 [2024-11-27 20:20:46,983 INFO L226 Difference]: Without dead ends: 71753 [2024-11-27 20:20:47,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:20:47,016 INFO L435 NwaCegarLoop]: 2644 mSDtfsCounter, 2594 mSDsluCounter, 5274 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2595 SdHoareTripleChecker+Valid, 7918 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:20:47,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2595 Valid, 7918 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:20:47,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71753 states. [2024-11-27 20:20:50,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71753 to 71753. [2024-11-27 20:20:50,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71753 states, 53598 states have (on average 1.3098996231202658) internal successors, (70208), 54416 states have internal predecessors, (70208), 14378 states have call successors, (14378), 3831 states have call predecessors, (14378), 3774 states have return successors, (14570), 13981 states have call predecessors, (14570), 14374 states have call successors, (14570) [2024-11-27 20:20:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71753 states to 71753 states and 99156 transitions. [2024-11-27 20:20:50,567 INFO L78 Accepts]: Start accepts. Automaton has 71753 states and 99156 transitions. Word has length 188 [2024-11-27 20:20:50,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:20:50,575 INFO L471 AbstractCegarLoop]: Abstraction has 71753 states and 99156 transitions. [2024-11-27 20:20:50,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 20:20:50,576 INFO L276 IsEmpty]: Start isEmpty. Operand 71753 states and 99156 transitions. [2024-11-27 20:20:50,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-27 20:20:50,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:20:50,585 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2024-11-27 20:20:50,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:20:50,585 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 20:20:50,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:20:50,586 INFO L85 PathProgramCache]: Analyzing trace with hash -51150486, now seen corresponding path program 1 times [2024-11-27 20:20:50,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:20:50,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682624891] [2024-11-27 20:20:50,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:20:50,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:20:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:20:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-27 20:20:58,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:20:58,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682624891] [2024-11-27 20:20:58,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682624891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:20:58,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:20:58,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:20:58,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027647450] [2024-11-27 20:20:58,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:20:58,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:20:58,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:20:58,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:20:58,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:20:58,377 INFO L87 Difference]: Start difference. First operand 71753 states and 99156 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 20:21:00,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:21:00,898 INFO L93 Difference]: Finished difference Result 71759 states and 99161 transitions. [2024-11-27 20:21:00,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:21:00,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 193 [2024-11-27 20:21:00,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:21:01,253 INFO L225 Difference]: With dead ends: 71759 [2024-11-27 20:21:01,253 INFO L226 Difference]: Without dead ends: 71757 [2024-11-27 20:21:01,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:21:01,285 INFO L435 NwaCegarLoop]: 2647 mSDtfsCounter, 2590 mSDsluCounter, 5275 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 7922 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:21:01,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2591 Valid, 7922 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:21:01,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71757 states.