./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC --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 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:49:41,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:49:41,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 22:49:41,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:49:41,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:49:41,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:49:41,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:49:41,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:49:41,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:49:41,519 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:49:41,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:49:41,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:49:41,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:49:41,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:49:41,520 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:49:41,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:49:41,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:49:41,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:49:41,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:49:41,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:49:41,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:49:41,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:49:41,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:49:41,522 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:49:41,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:49:41,522 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:49:41,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:49:41,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:49:41,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:49:41,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:49:41,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:49:41,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:49:41,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:49:41,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:49:41,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:49:41,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:49:41,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:49:41,523 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:49:41,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:49:41,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:49:41,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:49:41,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:49:41,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:49:41,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:49:41,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:49:41,524 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_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC 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 -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2024-11-23 22:49:41,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:49:41,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:49:41,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:49:41,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:49:41,829 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:49:41,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2024-11-23 22:49:44,730 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/data/bdaf92633/5d8ecddd307c4f3b8b069f0441878340/FLAGab3248e9e [2024-11-23 22:49:45,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:49:45,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2024-11-23 22:49:45,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/data/bdaf92633/5d8ecddd307c4f3b8b069f0441878340/FLAGab3248e9e [2024-11-23 22:49:45,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/data/bdaf92633/5d8ecddd307c4f3b8b069f0441878340 [2024-11-23 22:49:45,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:49:45,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:49:45,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:49:45,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:49:45,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:49:45,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:49:45" (1/1) ... [2024-11-23 22:49:45,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b524dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:45, skipping insertion in model container [2024-11-23 22:49:45,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:49:45" (1/1) ... [2024-11-23 22:49:45,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:49:48,561 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_ae5c55f3-62ff-4d21-96b4-7371de88c23b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2024-11-23 22:49:48,565 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_ae5c55f3-62ff-4d21-96b4-7371de88c23b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2024-11-23 22:49:48,565 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_ae5c55f3-62ff-4d21-96b4-7371de88c23b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2024-11-23 22:49:48,566 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_ae5c55f3-62ff-4d21-96b4-7371de88c23b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2024-11-23 22:49:48,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:49:48,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:49:48,795 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"); [5245] [2024-11-23 22:49:48,800 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)); [5252] [2024-11-23 22:49:48,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5259] [2024-11-23 22:49:48,803 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)); [5309-5310] [2024-11-23 22:49:48,806 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"); [5315-5317] [2024-11-23 22:49:48,819 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)); [5476-5477] [2024-11-23 22:49:48,821 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)); [5510-5511] [2024-11-23 22:49:48,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7257] [2024-11-23 22:49:48,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7580] [2024-11-23 22:49:49,134 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_ae5c55f3-62ff-4d21-96b4-7371de88c23b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2024-11-23 22:49:49,135 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_ae5c55f3-62ff-4d21-96b4-7371de88c23b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2024-11-23 22:49:49,139 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_ae5c55f3-62ff-4d21-96b4-7371de88c23b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2024-11-23 22:49:49,140 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_ae5c55f3-62ff-4d21-96b4-7371de88c23b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2024-11-23 22:49:49,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:49:49,433 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:49:49,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49 WrapperNode [2024-11-23 22:49:49,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:49:49,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:49:49,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:49:49,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:49:49,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:49,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:49,818 INFO L138 Inliner]: procedures = 421, calls = 2027, calls flagged for inlining = 203, calls inlined = 186, statements flattened = 6148 [2024-11-23 22:49:49,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:49:49,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:49:49,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:49:49,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:49:49,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:49,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:49,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:50,974 INFO L175 MemorySlicer]: Split 1041 memory accesses to 23 slices as follows [3, 3, 5, 5, 2, 5, 1, 2, 2, 13, 4, 853, 5, 1, 2, 4, 3, 56, 5, 5, 6, 4, 52]. 82 percent of accesses are in the largest equivalence class. The 65 initializations are split as follows [3, 1, 5, 5, 0, 5, 0, 0, 0, 0, 0, 17, 5, 1, 2, 4, 3, 0, 5, 5, 0, 4, 0]. The 473 writes are split as follows [0, 0, 0, 0, 1, 0, 0, 1, 1, 5, 3, 360, 0, 0, 0, 0, 0, 56, 0, 0, 4, 0, 42]. [2024-11-23 22:49:50,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:50,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:51,183 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:51,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:51,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:51,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:51,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:51,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:49:51,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:49:51,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:49:51,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:49:51,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (1/1) ... [2024-11-23 22:49:51,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:49:51,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:49:51,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:49:51,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5c55f3-62ff-4d21-96b4-7371de88c23b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:49:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-23 22:49:51,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-23 22:49:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 22:49:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 22:49:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-23 22:49:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-23 22:49:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2024-11-23 22:49:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2024-11-23 22:49:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-23 22:49:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-23 22:49:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 22:49:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 22:49:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2024-11-23 22:49:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2024-11-23 22:49:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-23 22:49:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-23 22:49:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-23 22:49:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-23 22:49:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dmfe_board_info [2024-11-23 22:49:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dmfe_board_info [2024-11-23 22:49:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-23 22:49:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-23 22:49:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-23 22:49:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-23 22:49:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-23 22:49:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-23 22:49:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-11-23 22:49:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-11-23 22:49:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-23 22:49:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-23 22:49:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-23 22:49:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-23 22:49:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2024-11-23 22:49:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2024-11-23 22:49:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2024-11-23 22:49:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2024-11-23 22:49:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-23 22:49:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-23 22:49:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-23 22:49:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-23 22:49:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-23 22:49:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-23 22:49:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-23 22:49:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-23 22:49:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-23 22:49:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-23 22:49:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 22:49:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 22:49:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2024-11-23 22:49:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2024-11-23 22:49:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 22:49:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2024-11-23 22:49:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2024-11-23 22:49:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-23 22:49:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-23 22:49:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 22:49:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 22:49:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 22:49:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 22:49:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 22:49:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 22:49:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 22:49:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 22:49:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 22:49:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 22:49:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 22:49:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 22:49:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 22:49:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 22:49:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 22:49:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 22:49:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 22:49:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-23 22:49:51,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2024-11-23 22:49:51,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 22:49:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 22:49:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 22:49:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 22:49:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 22:49:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 22:49:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 22:49:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 22:49:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 22:49:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 22:49:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 22:49:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-23 22:49:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-23 22:49:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-23 22:49:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-23 22:49:51,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-23 22:49:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2024-11-23 22:49:51,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2024-11-23 22:49:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2024-11-23 22:49:51,485 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2024-11-23 22:49:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 22:49:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 22:49:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-23 22:49:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-23 22:49:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2024-11-23 22:49:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2024-11-23 22:49:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-23 22:49:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-23 22:49:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-23 22:49:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-23 22:49:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-23 22:49:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-23 22:49:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-23 22:49:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-23 22:49:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2024-11-23 22:49:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2024-11-23 22:49:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-23 22:49:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-23 22:49:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2024-11-23 22:49:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2024-11-23 22:49:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-23 22:49:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-23 22:49:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2024-11-23 22:49:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2024-11-23 22:49:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 22:49:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-23 22:49:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-23 22:49:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-23 22:49:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-23 22:49:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:49:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2024-11-23 22:49:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2024-11-23 22:49:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-23 22:49:51,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-23 22:49:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-23 22:49:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-23 22:49:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 22:49:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 22:49:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 22:49:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 22:49:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 22:49:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 22:49:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 22:49:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 22:49:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 22:49:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 22:49:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 22:49:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 22:49:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 22:49:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 22:49:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 22:49:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 22:49:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 22:49:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 22:49:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 22:49:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 22:49:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-23 22:49:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-23 22:49:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-23 22:49:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-11-23 22:49:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-11-23 22:49:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 22:49:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 22:49:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-23 22:49:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-23 22:49:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2024-11-23 22:49:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2024-11-23 22:49:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-23 22:49:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-23 22:49:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-23 22:49:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-23 22:49:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-23 22:49:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-23 22:49:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-23 22:49:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-23 22:49:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2024-11-23 22:49:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2024-11-23 22:49:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:49:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 22:49:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 22:49:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 22:49:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-23 22:49:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-23 22:49:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2024-11-23 22:49:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-23 22:49:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-23 22:49:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-23 22:49:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2024-11-23 22:49:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-23 22:49:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-23 22:49:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2024-11-23 22:49:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-23 22:49:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 22:49:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 22:49:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 22:49:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 22:49:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 22:49:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 22:49:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 22:49:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 22:49:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 22:49:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 22:49:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-23 22:49:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-23 22:49:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-23 22:49:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-23 22:49:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-23 22:49:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-23 22:49:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-23 22:49:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 22:49:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 22:49:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2024-11-23 22:49:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2024-11-23 22:49:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-23 22:49:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-23 22:49:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-23 22:49:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-23 22:49:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-11-23 22:49:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-11-23 22:49:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-23 22:49:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-23 22:49:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2024-11-23 22:49:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 22:49:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 22:49:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2024-11-23 22:49:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2024-11-23 22:49:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2024-11-23 22:49:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-23 22:49:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-23 22:49:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-23 22:49:51,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-23 22:49:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-23 22:49:51,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-23 22:49:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:49:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:49:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:49:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 22:49:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 22:49:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 22:49:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 22:49:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 22:49:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 22:49:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 22:49:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 22:49:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 22:49:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 22:49:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 22:49:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 22:49:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 22:49:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 22:49:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 22:49:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 22:49:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 22:49:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-23 22:49:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-23 22:49:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-23 22:49:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-23 22:49:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-23 22:49:52,722 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:49:52,725 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:49:52,759 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 22:50:06,840 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-23 22:50:08,174 INFO L? ?]: Removed 2337 outVars from TransFormulas that were not future-live. [2024-11-23 22:50:08,176 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:50:08,295 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:50:08,295 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:50:08,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:50:08 BoogieIcfgContainer [2024-11-23 22:50:08,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:50:08,302 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:50:08,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:50:08,312 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:50:08,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:49:45" (1/3) ... [2024-11-23 22:50:08,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61435ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:50:08, skipping insertion in model container [2024-11-23 22:50:08,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:49" (2/3) ... [2024-11-23 22:50:08,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61435ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:50:08, skipping insertion in model container [2024-11-23 22:50:08,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:50:08" (3/3) ... [2024-11-23 22:50:08,326 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2024-11-23 22:50:08,360 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:50:08,369 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i that has 85 procedures, 2243 locations, 1 initial locations, 3 loop locations, and 3 error locations. [2024-11-23 22:50:08,656 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:50:08,694 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;@74a44c2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:50:08,694 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-23 22:50:08,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 2241 states, 1695 states have (on average 1.3640117994100296) internal successors, (2312), 1718 states have internal predecessors, (2312), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) [2024-11-23 22:50:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 22:50:08,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:50:08,782 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:50:08,785 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)] === [2024-11-23 22:50:08,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:50:08,804 INFO L85 PathProgramCache]: Analyzing trace with hash -327425371, now seen corresponding path program 1 times [2024-11-23 22:50:08,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:50:08,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698217717] [2024-11-23 22:50:08,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:50:08,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:50:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:50:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-23 22:50:18,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:50:18,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698217717] [2024-11-23 22:50:18,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698217717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:50:18,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:50:18,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:50:18,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642970792] [2024-11-23 22:50:18,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:50:18,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:50:18,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:50:18,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:50:18,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:50:18,110 INFO L87 Difference]: Start difference. First operand has 2241 states, 1695 states have (on average 1.3640117994100296) internal successors, (2312), 1718 states have internal predecessors, (2312), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 22:50:22,203 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 [] [2024-11-23 22:50:23,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:50:23,320 INFO L93 Difference]: Finished difference Result 6562 states and 9670 transitions. [2024-11-23 22:50:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:50:23,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2024-11-23 22:50:23,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:50:23,408 INFO L225 Difference]: With dead ends: 6562 [2024-11-23 22:50:23,408 INFO L226 Difference]: Without dead ends: 4332 [2024-11-23 22:50:23,469 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 [2024-11-23 22:50:23,477 INFO L435 NwaCegarLoop]: 3190 mSDtfsCounter, 3040 mSDsluCounter, 3085 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3040 SdHoareTripleChecker+Valid, 6275 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 [2024-11-23 22:50:23,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3040 Valid, 6275 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-23 22:50:23,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4332 states. [2024-11-23 22:50:23,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4332 to 4328. [2024-11-23 22:50:23,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4328 states, 3299 states have (on average 1.3349499848438922) internal successors, (4404), 3344 states have internal predecessors, (4404), 864 states have call successors, (864), 163 states have call predecessors, (864), 162 states have return successors, (860), 842 states have call predecessors, (860), 860 states have call successors, (860) [2024-11-23 22:50:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4328 states to 4328 states and 6128 transitions. [2024-11-23 22:50:23,968 INFO L78 Accepts]: Start accepts. Automaton has 4328 states and 6128 transitions. Word has length 116 [2024-11-23 22:50:23,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:50:23,969 INFO L471 AbstractCegarLoop]: Abstraction has 4328 states and 6128 transitions. [2024-11-23 22:50:23,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 22:50:23,969 INFO L276 IsEmpty]: Start isEmpty. Operand 4328 states and 6128 transitions. [2024-11-23 22:50:23,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 22:50:23,985 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:50:23,986 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:50:23,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:50:23,986 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:50:23,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:50:23,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1325677422, now seen corresponding path program 1 times [2024-11-23 22:50:23,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:50:23,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532003040] [2024-11-23 22:50:23,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:50:23,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:50:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:50:31,826 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-23 22:50:31,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:50:31,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532003040] [2024-11-23 22:50:31,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532003040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:50:31,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:50:31,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:50:31,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085542640] [2024-11-23 22:50:31,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:50:31,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:50:31,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:50:31,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:50:31,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:50:31,832 INFO L87 Difference]: Start difference. First operand 4328 states and 6128 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-11-23 22:50:35,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:50:37,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:50:37,172 INFO L93 Difference]: Finished difference Result 12850 states and 18214 transitions. [2024-11-23 22:50:37,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:50:37,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 122 [2024-11-23 22:50:37,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:50:37,257 INFO L225 Difference]: With dead ends: 12850 [2024-11-23 22:50:37,258 INFO L226 Difference]: Without dead ends: 8543 [2024-11-23 22:50:37,283 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 [2024-11-23 22:50:37,285 INFO L435 NwaCegarLoop]: 3170 mSDtfsCounter, 3093 mSDsluCounter, 3099 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3093 SdHoareTripleChecker+Valid, 6269 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-23 22:50:37,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3093 Valid, 6269 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-23 22:50:37,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8543 states. [2024-11-23 22:50:37,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8543 to 8513. [2024-11-23 22:50:37,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8513 states, 6513 states have (on average 1.3373253493013972) internal successors, (8710), 6607 states have internal predecessors, (8710), 1676 states have call successors, (1676), 324 states have call predecessors, (1676), 321 states have return successors, (1682), 1625 states have call predecessors, (1682), 1672 states have call successors, (1682) [2024-11-23 22:50:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8513 states to 8513 states and 12068 transitions. [2024-11-23 22:50:37,858 INFO L78 Accepts]: Start accepts. Automaton has 8513 states and 12068 transitions. Word has length 122 [2024-11-23 22:50:37,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:50:37,858 INFO L471 AbstractCegarLoop]: Abstraction has 8513 states and 12068 transitions. [2024-11-23 22:50:37,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-11-23 22:50:37,859 INFO L276 IsEmpty]: Start isEmpty. Operand 8513 states and 12068 transitions. [2024-11-23 22:50:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 22:50:37,864 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:50:37,865 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:50:37,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:50:37,865 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)] === [2024-11-23 22:50:37,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:50:37,866 INFO L85 PathProgramCache]: Analyzing trace with hash -565710973, now seen corresponding path program 1 times [2024-11-23 22:50:37,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:50:37,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341444935] [2024-11-23 22:50:37,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:50:37,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:50:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:50:44,481 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-23 22:50:44,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:50:44,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341444935] [2024-11-23 22:50:44,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341444935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:50:44,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:50:44,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:50:44,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999556337] [2024-11-23 22:50:44,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:50:44,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:50:44,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:50:44,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:50:44,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:50:44,483 INFO L87 Difference]: Start difference. First operand 8513 states and 12068 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-23 22:50:48,551 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 [] [2024-11-23 22:50:49,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:50:49,770 INFO L93 Difference]: Finished difference Result 24107 states and 34080 transitions. [2024-11-23 22:50:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:50:49,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 122 [2024-11-23 22:50:49,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:50:49,942 INFO L225 Difference]: With dead ends: 24107 [2024-11-23 22:50:49,942 INFO L226 Difference]: Without dead ends: 15615 [2024-11-23 22:50:49,995 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 [2024-11-23 22:50:49,997 INFO L435 NwaCegarLoop]: 3371 mSDtfsCounter, 2636 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2636 SdHoareTripleChecker+Valid, 6462 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:50:49,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2636 Valid, 6462 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-23 22:50:50,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15615 states. [2024-11-23 22:50:50,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15615 to 15581. [2024-11-23 22:50:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15581 states, 11903 states have (on average 1.3321011509703435) internal successors, (15856), 12085 states have internal predecessors, (15856), 3056 states have call successors, (3056), 626 states have call predecessors, (3056), 619 states have return successors, (3078), 2953 states have call predecessors, (3078), 3052 states have call successors, (3078) [2024-11-23 22:50:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15581 states to 15581 states and 21990 transitions. [2024-11-23 22:50:51,104 INFO L78 Accepts]: Start accepts. Automaton has 15581 states and 21990 transitions. Word has length 122 [2024-11-23 22:50:51,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:50:51,106 INFO L471 AbstractCegarLoop]: Abstraction has 15581 states and 21990 transitions. [2024-11-23 22:50:51,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-23 22:50:51,107 INFO L276 IsEmpty]: Start isEmpty. Operand 15581 states and 21990 transitions. [2024-11-23 22:50:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-23 22:50:51,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:50:51,116 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:50:51,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:50:51,117 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)] === [2024-11-23 22:50:51,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:50:51,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1124795088, now seen corresponding path program 1 times [2024-11-23 22:50:51,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:50:51,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043868090] [2024-11-23 22:50:51,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:50:51,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:50:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:50:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-23 22:50:57,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:50:57,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043868090] [2024-11-23 22:50:57,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043868090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:50:57,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:50:57,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:50:57,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823248926] [2024-11-23 22:50:57,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:50:57,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:50:57,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:50:57,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:50:57,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:50:57,939 INFO L87 Difference]: Start difference. First operand 15581 states and 21990 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 22:51:02,005 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 [] [2024-11-23 22:51:03,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:03,706 INFO L93 Difference]: Finished difference Result 30605 states and 43212 transitions. [2024-11-23 22:51:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:51:03,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 126 [2024-11-23 22:51:03,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:03,817 INFO L225 Difference]: With dead ends: 30605 [2024-11-23 22:51:03,817 INFO L226 Difference]: Without dead ends: 15045 [2024-11-23 22:51:03,889 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 [2024-11-23 22:51:03,890 INFO L435 NwaCegarLoop]: 3847 mSDtfsCounter, 2322 mSDsluCounter, 3086 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 6933 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:03,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 6933 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-23 22:51:03,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15045 states. [2024-11-23 22:51:04,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15045 to 15013. [2024-11-23 22:51:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15013 states, 11568 states have (on average 1.3384336099585061) internal successors, (15483), 11751 states have internal predecessors, (15483), 2811 states have call successors, (2811), 639 states have call predecessors, (2811), 631 states have return successors, (2820), 2703 states have call predecessors, (2820), 2807 states have call successors, (2820) [2024-11-23 22:51:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15013 states to 15013 states and 21114 transitions. [2024-11-23 22:51:04,533 INFO L78 Accepts]: Start accepts. Automaton has 15013 states and 21114 transitions. Word has length 126 [2024-11-23 22:51:04,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:04,534 INFO L471 AbstractCegarLoop]: Abstraction has 15013 states and 21114 transitions. [2024-11-23 22:51:04,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 22:51:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 15013 states and 21114 transitions. [2024-11-23 22:51:04,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-23 22:51:04,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:04,540 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:51:04,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:51:04,540 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)] === [2024-11-23 22:51:04,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:04,541 INFO L85 PathProgramCache]: Analyzing trace with hash 584664628, now seen corresponding path program 1 times [2024-11-23 22:51:04,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:04,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905637455] [2024-11-23 22:51:04,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:04,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-23 22:51:10,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:10,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905637455] [2024-11-23 22:51:10,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905637455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:10,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:10,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:51:10,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909677567] [2024-11-23 22:51:10,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:10,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:51:10,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:10,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:51:10,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:51:10,941 INFO L87 Difference]: Start difference. First operand 15013 states and 21114 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 22:51:15,000 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 [] [2024-11-23 22:51:16,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:16,631 INFO L93 Difference]: Finished difference Result 39655 states and 55791 transitions. [2024-11-23 22:51:16,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:51:16,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2024-11-23 22:51:16,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:16,774 INFO L225 Difference]: With dead ends: 39655 [2024-11-23 22:51:16,774 INFO L226 Difference]: Without dead ends: 24663 [2024-11-23 22:51:16,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:51:16,831 INFO L435 NwaCegarLoop]: 3169 mSDtfsCounter, 2919 mSDsluCounter, 3087 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2919 SdHoareTripleChecker+Valid, 6256 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:16,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2919 Valid, 6256 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-23 22:51:16,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24663 states. [2024-11-23 22:51:17,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24663 to 24632. [2024-11-23 22:51:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24632 states, 18982 states have (on average 1.337741017806343) internal successors, (25393), 19275 states have internal predecessors, (25393), 4599 states have call successors, (4599), 1063 states have call predecessors, (4599), 1048 states have return successors, (4624), 4407 states have call predecessors, (4624), 4595 states have call successors, (4624) [2024-11-23 22:51:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24632 states to 24632 states and 34616 transitions. [2024-11-23 22:51:17,843 INFO L78 Accepts]: Start accepts. Automaton has 24632 states and 34616 transitions. Word has length 128 [2024-11-23 22:51:17,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:17,843 INFO L471 AbstractCegarLoop]: Abstraction has 24632 states and 34616 transitions. [2024-11-23 22:51:17,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 22:51:17,844 INFO L276 IsEmpty]: Start isEmpty. Operand 24632 states and 34616 transitions. [2024-11-23 22:51:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-23 22:51:17,847 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:17,847 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 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] [2024-11-23 22:51:17,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:51:17,847 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)] === [2024-11-23 22:51:17,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:17,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1908803273, now seen corresponding path program 1 times [2024-11-23 22:51:17,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:17,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896736791] [2024-11-23 22:51:17,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:17,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-23 22:51:24,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:24,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896736791] [2024-11-23 22:51:24,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896736791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:24,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:24,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:51:24,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256312008] [2024-11-23 22:51:24,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:24,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:51:24,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:24,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:51:24,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:51:24,635 INFO L87 Difference]: Start difference. First operand 24632 states and 34616 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 22:51:28,698 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 [] [2024-11-23 22:51:30,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:30,318 INFO L93 Difference]: Finished difference Result 71502 states and 100541 transitions. [2024-11-23 22:51:30,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:51:30,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2024-11-23 22:51:30,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:30,572 INFO L225 Difference]: With dead ends: 71502 [2024-11-23 22:51:30,572 INFO L226 Difference]: Without dead ends: 46891 [2024-11-23 22:51:30,653 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 [2024-11-23 22:51:30,654 INFO L435 NwaCegarLoop]: 3798 mSDtfsCounter, 3104 mSDsluCounter, 3140 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3104 SdHoareTripleChecker+Valid, 6938 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 [2024-11-23 22:51:30,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3104 Valid, 6938 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-23 22:51:30,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46891 states. [2024-11-23 22:51:32,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46891 to 46833. [2024-11-23 22:51:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46833 states, 36024 states have (on average 1.3376637797024207) internal successors, (48188), 36616 states have internal predecessors, (48188), 8797 states have call successors, (8797), 2038 states have call predecessors, (8797), 2009 states have return successors, (8851), 8398 states have call predecessors, (8851), 8793 states have call successors, (8851) [2024-11-23 22:51:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46833 states to 46833 states and 65836 transitions. [2024-11-23 22:51:32,427 INFO L78 Accepts]: Start accepts. Automaton has 46833 states and 65836 transitions. Word has length 145 [2024-11-23 22:51:32,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:32,428 INFO L471 AbstractCegarLoop]: Abstraction has 46833 states and 65836 transitions. [2024-11-23 22:51:32,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-23 22:51:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 46833 states and 65836 transitions. [2024-11-23 22:51:32,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-23 22:51:32,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:32,432 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:51:32,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:51:32,433 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)] === [2024-11-23 22:51:32,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:32,433 INFO L85 PathProgramCache]: Analyzing trace with hash -73827638, now seen corresponding path program 1 times [2024-11-23 22:51:32,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:32,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062414573] [2024-11-23 22:51:32,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:32,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-23 22:51:39,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:39,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062414573] [2024-11-23 22:51:39,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062414573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:39,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:39,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:51:39,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147269985] [2024-11-23 22:51:39,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:39,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:51:39,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:39,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:51:39,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:51:39,343 INFO L87 Difference]: Start difference. First operand 46833 states and 65836 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-23 22:51:43,416 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 [] [2024-11-23 22:51:45,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:45,691 INFO L93 Difference]: Finished difference Result 137613 states and 193449 transitions. [2024-11-23 22:51:45,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:51:45,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 188 [2024-11-23 22:51:45,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:46,269 INFO L225 Difference]: With dead ends: 137613 [2024-11-23 22:51:46,269 INFO L226 Difference]: Without dead ends: 90857 [2024-11-23 22:51:46,455 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 [2024-11-23 22:51:46,457 INFO L435 NwaCegarLoop]: 4068 mSDtfsCounter, 2969 mSDsluCounter, 3129 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2969 SdHoareTripleChecker+Valid, 7197 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 [2024-11-23 22:51:46,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2969 Valid, 7197 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-23 22:51:46,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90857 states. [2024-11-23 22:51:50,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90857 to 90853. [2024-11-23 22:51:50,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90853 states, 70082 states have (on average 1.3360920065066637) internal successors, (93636), 71120 states have internal predecessors, (93636), 16897 states have call successors, (16897), 3912 states have call predecessors, (16897), 3871 states have return successors, (17009), 16260 states have call predecessors, (17009), 16893 states have call successors, (17009) [2024-11-23 22:51:51,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90853 states to 90853 states and 127542 transitions. [2024-11-23 22:51:51,135 INFO L78 Accepts]: Start accepts. Automaton has 90853 states and 127542 transitions. Word has length 188 [2024-11-23 22:51:51,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:51,136 INFO L471 AbstractCegarLoop]: Abstraction has 90853 states and 127542 transitions. [2024-11-23 22:51:51,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-23 22:51:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 90853 states and 127542 transitions. [2024-11-23 22:51:51,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-23 22:51:51,143 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:51,143 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:51:51,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:51:51,143 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)] === [2024-11-23 22:51:51,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:51,144 INFO L85 PathProgramCache]: Analyzing trace with hash 66720972, now seen corresponding path program 1 times [2024-11-23 22:51:51,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:51,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631004904] [2024-11-23 22:51:51,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:51,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-23 22:51:59,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:59,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631004904] [2024-11-23 22:51:59,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631004904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:59,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:59,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:51:59,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138773983] [2024-11-23 22:51:59,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:59,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:51:59,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:59,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:51:59,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:51:59,422 INFO L87 Difference]: Start difference. First operand 90853 states and 127542 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 22:52:01,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:01,663 INFO L93 Difference]: Finished difference Result 90859 states and 127547 transitions. [2024-11-23 22:52:01,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:52:01,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 188 [2024-11-23 22:52:01,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:02,298 INFO L225 Difference]: With dead ends: 90859 [2024-11-23 22:52:02,298 INFO L226 Difference]: Without dead ends: 90857 [2024-11-23 22:52:02,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:52:02,373 INFO L435 NwaCegarLoop]: 3153 mSDtfsCounter, 3094 mSDsluCounter, 6292 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3095 SdHoareTripleChecker+Valid, 9445 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 [2024-11-23 22:52:02,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3095 Valid, 9445 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:52:02,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90857 states.