./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/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 10193951df4eb6f67d99eaaa8758acfa57b6461ca38071389a41cbdc5c585dfb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:37:29,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:37:29,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:37:29,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:37:29,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:37:29,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:37:29,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:37:29,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:37:29,759 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:37:29,759 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:37:29,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:37:29,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:37:29,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:37:29,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:37:29,760 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:37:29,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:37:29,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:37:29,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:37:29,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:37:29,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:37:29,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:37:29,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:37:29,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:37:29,762 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:37:29,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:37:29,762 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:37:29,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:37:29,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:37:29,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:37:29,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:37:29,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:37:29,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:37:29,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:37:29,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:37:29,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:37:29,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:37:29,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:37:29,764 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:37:29,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:37:29,764 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:37:29,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:37:29,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:37:29,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:37:29,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:37:29,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:37:29,765 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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/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 -> 10193951df4eb6f67d99eaaa8758acfa57b6461ca38071389a41cbdc5c585dfb [2024-11-24 00:37:30,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:37:30,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:37:30,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:37:30,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:37:30,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:37:30,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i [2024-11-24 00:37:33,189 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/bin/uautomizer-verify-LYvppIcaGC/data/a440cec51/a1f19a74d15c4e2ba21f541257d11e4a/FLAG66a666001 [2024-11-24 00:37:34,007 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:37:34,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i [2024-11-24 00:37:34,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/bin/uautomizer-verify-LYvppIcaGC/data/a440cec51/a1f19a74d15c4e2ba21f541257d11e4a/FLAG66a666001 [2024-11-24 00:37:34,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/bin/uautomizer-verify-LYvppIcaGC/data/a440cec51/a1f19a74d15c4e2ba21f541257d11e4a [2024-11-24 00:37:34,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:37:34,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:37:34,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:37:34,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:37:34,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:37:34,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:34" (1/1) ... [2024-11-24 00:37:34,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b5e1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:34, skipping insertion in model container [2024-11-24 00:37:34,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:34" (1/1) ... [2024-11-24 00:37:34,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:37:36,871 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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341176,341189] [2024-11-24 00:37:36,875 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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341345,341358] [2024-11-24 00:37:36,875 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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341512,341525] [2024-11-24 00:37:36,876 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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341680,341693] [2024-11-24 00:37:36,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:37:36,945 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:37:37,105 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"); [5891] [2024-11-24 00:37:37,107 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)); [5898] [2024-11-24 00:37:37,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5905] [2024-11-24 00:37:37,110 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)); [5960-5961] [2024-11-24 00:37:37,111 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"); [5966-5968] [2024-11-24 00:37:37,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5982] [2024-11-24 00:37:37,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6078] [2024-11-24 00:37:37,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6085] [2024-11-24 00:37:37,126 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)); [6245-6246] [2024-11-24 00:37:37,128 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)); [6279-6280] [2024-11-24 00:37:37,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [6316-6317] [2024-11-24 00:37:37,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [6353-6354] [2024-11-24 00:37:37,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6852] [2024-11-24 00:37:37,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6864] [2024-11-24 00:37:37,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6877] [2024-11-24 00:37:37,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7146] [2024-11-24 00:37:37,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7149] [2024-11-24 00:37:37,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7218] [2024-11-24 00:37:37,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7221] [2024-11-24 00:37:37,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7224] [2024-11-24 00:37:37,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7247] [2024-11-24 00:37:37,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7254] [2024-11-24 00:37:37,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7257] [2024-11-24 00:37:37,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7269] [2024-11-24 00:37:37,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7316] [2024-11-24 00:37:37,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7323] [2024-11-24 00:37:37,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7332] [2024-11-24 00:37:37,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7344] [2024-11-24 00:37:37,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7372] [2024-11-24 00:37:37,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7450] [2024-11-24 00:37:37,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7521] [2024-11-24 00:37:37,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7524] [2024-11-24 00:37:37,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7568] [2024-11-24 00:37:37,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7770] [2024-11-24 00:37:37,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7798] [2024-11-24 00:37:37,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7806] [2024-11-24 00:37:37,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7831] [2024-11-24 00:37:37,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7845] [2024-11-24 00:37:37,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7853] [2024-11-24 00:37:37,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7861] [2024-11-24 00:37:37,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7869] [2024-11-24 00:37:37,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7932] [2024-11-24 00:37:37,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7940] [2024-11-24 00:37:37,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7948] [2024-11-24 00:37:37,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7970] [2024-11-24 00:37:37,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8069] [2024-11-24 00:37:37,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8145] [2024-11-24 00:37:37,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8168] [2024-11-24 00:37:37,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8258] [2024-11-24 00:37:37,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8335] [2024-11-24 00:37:37,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8662] [2024-11-24 00:37:37,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8735] [2024-11-24 00:37:37,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8737] [2024-11-24 00:37:37,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8747] [2024-11-24 00:37:37,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8796] [2024-11-24 00:37:37,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8798] [2024-11-24 00:37:37,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8817] [2024-11-24 00:37:37,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9022] [2024-11-24 00:37:37,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9025] [2024-11-24 00:37:37,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9028] [2024-11-24 00:37:37,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9031] [2024-11-24 00:37:37,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9034] [2024-11-24 00:37:37,408 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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341176,341189] [2024-11-24 00:37:37,408 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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341345,341358] [2024-11-24 00:37:37,409 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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341512,341525] [2024-11-24 00:37:37,409 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_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341680,341693] [2024-11-24 00:37:37,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:37:37,609 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:37:37,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37 WrapperNode [2024-11-24 00:37:37,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:37:37,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:37:37,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:37:37,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:37:37,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:37,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:37,936 INFO L138 Inliner]: procedures = 426, calls = 1839, calls flagged for inlining = 206, calls inlined = 187, statements flattened = 5086 [2024-11-24 00:37:37,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:37:37,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:37:37,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:37:37,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:37:37,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:37,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:37,981 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:38,940 INFO L175 MemorySlicer]: Split 718 memory accesses to 14 slices as follows [8, 2, 2, 89, 6, 1, 4, 8, 533, 1, 2, 54, 5, 3]. 74 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [8, 0, 0, 20, 0, 0, 0, 8, 8, 1, 2, 0, 0, 1]. The 307 writes are split as follows [0, 1, 1, 69, 0, 0, 1, 0, 190, 0, 0, 42, 3, 0]. [2024-11-24 00:37:38,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:38,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:39,078 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:39,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:39,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:39,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:39,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:39,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:37:39,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:37:39,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:37:39,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:37:39,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (1/1) ... [2024-11-24 00:37:39,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:37:39,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:37:39,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:37:39,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed5ac73-8446-4ab4-a89a-82c9f71d4cfe/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:37:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-11-24 00:37:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-11-24 00:37:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-24 00:37:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-24 00:37:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 00:37:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 00:37:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2024-11-24 00:37:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2024-11-24 00:37:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-24 00:37:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-24 00:37:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 00:37:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 00:37:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rr_driver_exit_13_2 [2024-11-24 00:37:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rr_driver_exit_13_2 [2024-11-24 00:37:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rr_private [2024-11-24 00:37:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rr_private [2024-11-24 00:37:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 00:37:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 00:37:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-24 00:37:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-24 00:37:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 00:37:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 00:37:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 00:37:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 00:37:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-24 00:37:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-24 00:37:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:37:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-24 00:37:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-24 00:37:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-24 00:37:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-24 00:37:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2024-11-24 00:37:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2024-11-24 00:37:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 00:37:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 00:37:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2024-11-24 00:37:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2024-11-24 00:37:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 00:37:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 00:37:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 00:37:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 00:37:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 00:37:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 00:37:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 00:37:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 00:37:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 00:37:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 00:37:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 00:37:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 00:37:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 00:37:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 00:37:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-24 00:37:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-24 00:37:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-24 00:37:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-24 00:37:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2024-11-24 00:37:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2024-11-24 00:37:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:37:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:37:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:37:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:37:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:37:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:37:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:37:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 00:37:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 00:37:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 00:37:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 00:37:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 00:37:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 00:37:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 00:37:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 00:37:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 00:37:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:37:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:37:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:37:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:37:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:37:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:37:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:37:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:37:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-24 00:37:39,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:37:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:37:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:37:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:37:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:37:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:37:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:37:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:37:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:37:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:37:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:37:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:37:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:37:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:37:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:37:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:37:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:37:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-24 00:37:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-24 00:37:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-24 00:37:39,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-24 00:37:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-24 00:37:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-24 00:37:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-24 00:37:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-24 00:37:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 00:37:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 00:37:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:37:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 00:37:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 00:37:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:37:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 00:37:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 00:37:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 00:37:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 00:37:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:37:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:37:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:37:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:37:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:37:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:37:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:37:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 00:37:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 00:37:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 00:37:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 00:37:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 00:37:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 00:37:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 00:37:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 00:37:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 00:37:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-24 00:37:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-24 00:37:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:37:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:37:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rr_private [2024-11-24 00:37:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rr_private [2024-11-24 00:37:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-24 00:37:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-24 00:37:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-24 00:37:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-24 00:37:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-24 00:37:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-24 00:37:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-24 00:37:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-24 00:37:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-24 00:37:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-24 00:37:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-24 00:37:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-24 00:37:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:37:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:37:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-24 00:37:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 00:37:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 00:37:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 00:37:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-24 00:37:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure rr_remove_one [2024-11-24 00:37:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_remove_one [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-24 00:37:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 00:37:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 00:37:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 00:37:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 00:37:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 00:37:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 00:37:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 00:37:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 00:37:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 00:37:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 00:37:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 00:37:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 00:37:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 00:37:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 00:37:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 00:37:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 00:37:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 00:37:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 00:37:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-24 00:37:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2024-11-24 00:37:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-24 00:37:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-24 00:37:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:37:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure rr_open [2024-11-24 00:37:39,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_open [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-24 00:37:39,285 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-24 00:37:39,285 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 00:37:39,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 00:37:39,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 00:37:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-24 00:37:39,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 00:37:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-24 00:37:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 00:37:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 00:37:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 00:37:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 00:37:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 00:37:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2024-11-24 00:37:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2024-11-24 00:37:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure rr_close [2024-11-24 00:37:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_close [2024-11-24 00:37:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 00:37:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 00:37:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-24 00:37:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-24 00:37:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-24 00:37:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-24 00:37:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:37:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:37:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:37:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:37:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:37:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:37:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:37:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:37:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:37:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:37:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:37:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:37:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:37:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 00:37:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 00:37:39,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 00:37:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2024-11-24 00:37:39,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2024-11-24 00:37:40,423 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:37:40,427 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:37:41,036 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 00:37:50,782 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 00:37:51,894 INFO L? ?]: Removed 2341 outVars from TransFormulas that were not future-live. [2024-11-24 00:37:51,894 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:37:51,954 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:37:51,954 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 00:37:51,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:51 BoogieIcfgContainer [2024-11-24 00:37:51,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:37:51,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:37:51,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:37:51,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:37:51,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:37:34" (1/3) ... [2024-11-24 00:37:51,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e31a246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:37:51, skipping insertion in model container [2024-11-24 00:37:51,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:37" (2/3) ... [2024-11-24 00:37:51,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e31a246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:37:51, skipping insertion in model container [2024-11-24 00:37:51,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:51" (3/3) ... [2024-11-24 00:37:51,967 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i [2024-11-24 00:37:51,985 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:37:51,988 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i that has 99 procedures, 1928 locations, 1 initial locations, 42 loop locations, and 3 error locations. [2024-11-24 00:37:52,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:37:52,131 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;@333e1982, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:37:52,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-24 00:37:52,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 1809 states, 1185 states have (on average 1.2717299578059071) internal successors, (1507), 1200 states have internal predecessors, (1507), 550 states have call successors, (550), 72 states have call predecessors, (550), 71 states have return successors, (544), 543 states have call predecessors, (544), 544 states have call successors, (544) [2024-11-24 00:37:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-24 00:37:52,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:37:52,165 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:37:52,166 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)] === [2024-11-24 00:37:52,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:52,173 INFO L85 PathProgramCache]: Analyzing trace with hash -151746085, now seen corresponding path program 1 times [2024-11-24 00:37:52,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:37:52,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439851400] [2024-11-24 00:37:52,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:52,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-24 00:37:58,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:37:58,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439851400] [2024-11-24 00:37:58,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439851400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:37:58,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:37:58,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:37:58,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884199387] [2024-11-24 00:37:58,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:37:58,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:37:58,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:37:58,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:37:58,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:37:58,586 INFO L87 Difference]: Start difference. First operand has 1809 states, 1185 states have (on average 1.2717299578059071) internal successors, (1507), 1200 states have internal predecessors, (1507), 550 states have call successors, (550), 72 states have call predecessors, (550), 71 states have return successors, (544), 543 states have call predecessors, (544), 544 states have call successors, (544) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-24 00:38:02,672 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 [] [2024-11-24 00:38:03,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:03,825 INFO L93 Difference]: Finished difference Result 5286 states and 7780 transitions. [2024-11-24 00:38:03,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:38:03,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 105 [2024-11-24 00:38:03,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:03,891 INFO L225 Difference]: With dead ends: 5286 [2024-11-24 00:38:03,892 INFO L226 Difference]: Without dead ends: 3486 [2024-11-24 00:38:03,911 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 [2024-11-24 00:38:03,914 INFO L435 NwaCegarLoop]: 2578 mSDtfsCounter, 2433 mSDsluCounter, 2508 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2433 SdHoareTripleChecker+Valid, 5086 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 [2024-11-24 00:38:03,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2433 Valid, 5086 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 00:38:03,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2024-11-24 00:38:04,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 3482. [2024-11-24 00:38:04,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3482 states, 2297 states have (on average 1.2451023073574228) internal successors, (2860), 2326 states have internal predecessors, (2860), 1044 states have call successors, (1044), 139 states have call predecessors, (1044), 138 states have return successors, (1040), 1038 states have call predecessors, (1040), 1040 states have call successors, (1040) [2024-11-24 00:38:04,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3482 states to 3482 states and 4944 transitions. [2024-11-24 00:38:04,368 INFO L78 Accepts]: Start accepts. Automaton has 3482 states and 4944 transitions. Word has length 105 [2024-11-24 00:38:04,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:04,370 INFO L471 AbstractCegarLoop]: Abstraction has 3482 states and 4944 transitions. [2024-11-24 00:38:04,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-24 00:38:04,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3482 states and 4944 transitions. [2024-11-24 00:38:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 00:38:04,377 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:04,377 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:04,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:38:04,378 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)] === [2024-11-24 00:38:04,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:04,382 INFO L85 PathProgramCache]: Analyzing trace with hash 2079689775, now seen corresponding path program 1 times [2024-11-24 00:38:04,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:04,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94392449] [2024-11-24 00:38:04,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:04,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-24 00:38:09,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:09,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94392449] [2024-11-24 00:38:09,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94392449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:09,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:09,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:38:09,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683103573] [2024-11-24 00:38:09,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:09,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:38:09,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:09,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:38:09,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:38:09,582 INFO L87 Difference]: Start difference. First operand 3482 states and 4944 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, (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) [2024-11-24 00:38:13,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:38:14,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:14,779 INFO L93 Difference]: Finished difference Result 9702 states and 13764 transitions. [2024-11-24 00:38:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:38:14,780 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, (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 113 [2024-11-24 00:38:14,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:14,845 INFO L225 Difference]: With dead ends: 9702 [2024-11-24 00:38:14,845 INFO L226 Difference]: Without dead ends: 6239 [2024-11-24 00:38:14,866 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 [2024-11-24 00:38:14,868 INFO L435 NwaCegarLoop]: 2587 mSDtfsCounter, 2041 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 5063 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:14,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 5063 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-24 00:38:14,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6239 states. [2024-11-24 00:38:15,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6239 to 6207. [2024-11-24 00:38:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6207 states, 4070 states have (on average 1.2415233415233415) internal successors, (5053), 4126 states have internal predecessors, (5053), 1867 states have call successors, (1867), 274 states have call predecessors, (1867), 267 states have return successors, (1875), 1842 states have call predecessors, (1875), 1863 states have call successors, (1875) [2024-11-24 00:38:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6207 states to 6207 states and 8795 transitions. [2024-11-24 00:38:15,341 INFO L78 Accepts]: Start accepts. Automaton has 6207 states and 8795 transitions. Word has length 113 [2024-11-24 00:38:15,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:15,342 INFO L471 AbstractCegarLoop]: Abstraction has 6207 states and 8795 transitions. [2024-11-24 00:38:15,342 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, (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) [2024-11-24 00:38:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 6207 states and 8795 transitions. [2024-11-24 00:38:15,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 00:38:15,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:15,349 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:15,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:38:15,350 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)] === [2024-11-24 00:38:15,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:15,351 INFO L85 PathProgramCache]: Analyzing trace with hash 872380599, now seen corresponding path program 1 times [2024-11-24 00:38:15,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:15,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906022685] [2024-11-24 00:38:15,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:15,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-24 00:38:20,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:20,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906022685] [2024-11-24 00:38:20,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906022685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:20,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:20,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:38:20,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923709347] [2024-11-24 00:38:20,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:20,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:38:20,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:20,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:38:20,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:38:20,252 INFO L87 Difference]: Start difference. First operand 6207 states and 8795 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, (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) [2024-11-24 00:38:24,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:38:25,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:25,957 INFO L93 Difference]: Finished difference Result 12294 states and 17418 transitions. [2024-11-24 00:38:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:38:25,958 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, (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 121 [2024-11-24 00:38:25,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:26,008 INFO L225 Difference]: With dead ends: 12294 [2024-11-24 00:38:26,008 INFO L226 Difference]: Without dead ends: 6106 [2024-11-24 00:38:26,039 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 [2024-11-24 00:38:26,040 INFO L435 NwaCegarLoop]: 2695 mSDtfsCounter, 1716 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1716 SdHoareTripleChecker+Valid, 5169 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 [2024-11-24 00:38:26,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1716 Valid, 5169 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-24 00:38:26,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6106 states. [2024-11-24 00:38:26,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6106 to 6076. [2024-11-24 00:38:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6076 states, 3952 states have (on average 1.2388663967611335) internal successors, (4896), 4008 states have internal predecessors, (4896), 1831 states have call successors, (1831), 296 states have call predecessors, (1831), 290 states have return successors, (1833), 1805 states have call predecessors, (1833), 1827 states have call successors, (1833) [2024-11-24 00:38:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6076 states to 6076 states and 8560 transitions. [2024-11-24 00:38:26,460 INFO L78 Accepts]: Start accepts. Automaton has 6076 states and 8560 transitions. Word has length 121 [2024-11-24 00:38:26,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:26,460 INFO L471 AbstractCegarLoop]: Abstraction has 6076 states and 8560 transitions. [2024-11-24 00:38:26,460 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, (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) [2024-11-24 00:38:26,461 INFO L276 IsEmpty]: Start isEmpty. Operand 6076 states and 8560 transitions. [2024-11-24 00:38:26,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 00:38:26,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:26,465 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, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:26,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:38:26,466 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)] === [2024-11-24 00:38:26,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:26,467 INFO L85 PathProgramCache]: Analyzing trace with hash -660750504, now seen corresponding path program 1 times [2024-11-24 00:38:26,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:26,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000823658] [2024-11-24 00:38:26,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:26,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-24 00:38:31,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:31,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000823658] [2024-11-24 00:38:31,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000823658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:31,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:31,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:38:31,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484410801] [2024-11-24 00:38:31,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:31,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:38:31,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:31,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:38:31,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:38:31,109 INFO L87 Difference]: Start difference. First operand 6076 states and 8560 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (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) [2024-11-24 00:38:35,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:38:36,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:36,448 INFO L93 Difference]: Finished difference Result 16043 states and 22589 transitions. [2024-11-24 00:38:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:38:36,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (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 134 [2024-11-24 00:38:36,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:36,545 INFO L225 Difference]: With dead ends: 16043 [2024-11-24 00:38:36,545 INFO L226 Difference]: Without dead ends: 9986 [2024-11-24 00:38:36,578 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 [2024-11-24 00:38:36,580 INFO L435 NwaCegarLoop]: 2557 mSDtfsCounter, 2155 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2155 SdHoareTripleChecker+Valid, 5034 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:36,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2155 Valid, 5034 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-24 00:38:36,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9986 states. [2024-11-24 00:38:37,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9986 to 9955. [2024-11-24 00:38:37,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9955 states, 6469 states have (on average 1.234503014376256) internal successors, (7986), 6566 states have internal predecessors, (7986), 2997 states have call successors, (2997), 499 states have call predecessors, (2997), 486 states have return successors, (3005), 2940 states have call predecessors, (3005), 2993 states have call successors, (3005) [2024-11-24 00:38:37,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9955 states to 9955 states and 13988 transitions. [2024-11-24 00:38:37,387 INFO L78 Accepts]: Start accepts. Automaton has 9955 states and 13988 transitions. Word has length 134 [2024-11-24 00:38:37,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:37,388 INFO L471 AbstractCegarLoop]: Abstraction has 9955 states and 13988 transitions. [2024-11-24 00:38:37,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (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) [2024-11-24 00:38:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 9955 states and 13988 transitions. [2024-11-24 00:38:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 00:38:37,390 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:37,391 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2024-11-24 00:38:37,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:38:37,394 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)] === [2024-11-24 00:38:37,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:37,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1083986515, now seen corresponding path program 1 times [2024-11-24 00:38:37,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:37,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2979752] [2024-11-24 00:38:37,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:37,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-24 00:38:41,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:41,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2979752] [2024-11-24 00:38:41,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2979752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:41,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:41,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:38:41,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646391014] [2024-11-24 00:38:41,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:41,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:38:41,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:41,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:38:41,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:38:41,988 INFO L87 Difference]: Start difference. First operand 9955 states and 13988 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 00:38:46,052 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 [] [2024-11-24 00:38:47,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:47,417 INFO L93 Difference]: Finished difference Result 27540 states and 38601 transitions. [2024-11-24 00:38:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:38:47,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 150 [2024-11-24 00:38:47,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:47,548 INFO L225 Difference]: With dead ends: 27540 [2024-11-24 00:38:47,548 INFO L226 Difference]: Without dead ends: 17604 [2024-11-24 00:38:47,598 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 [2024-11-24 00:38:47,599 INFO L435 NwaCegarLoop]: 3410 mSDtfsCounter, 2447 mSDsluCounter, 2451 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2447 SdHoareTripleChecker+Valid, 5861 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 [2024-11-24 00:38:47,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2447 Valid, 5861 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 00:38:47,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17604 states. [2024-11-24 00:38:48,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17604 to 17563. [2024-11-24 00:38:48,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17563 states, 11595 states have (on average 1.236308753773178) internal successors, (14335), 11791 states have internal predecessors, (14335), 5105 states have call successors, (5105), 889 states have call predecessors, (5105), 860 states have return successors, (5129), 4975 states have call predecessors, (5129), 5101 states have call successors, (5129) [2024-11-24 00:38:49,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17563 states to 17563 states and 24569 transitions. [2024-11-24 00:38:49,065 INFO L78 Accepts]: Start accepts. Automaton has 17563 states and 24569 transitions. Word has length 150 [2024-11-24 00:38:49,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:49,066 INFO L471 AbstractCegarLoop]: Abstraction has 17563 states and 24569 transitions. [2024-11-24 00:38:49,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 00:38:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 17563 states and 24569 transitions. [2024-11-24 00:38:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 00:38:49,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:49,077 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 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] [2024-11-24 00:38:49,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:38:49,077 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:38:49,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:49,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1410099421, now seen corresponding path program 1 times [2024-11-24 00:38:49,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:49,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424539317] [2024-11-24 00:38:49,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:49,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-24 00:38:53,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:53,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424539317] [2024-11-24 00:38:53,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424539317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:53,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:53,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:38:53,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410512109] [2024-11-24 00:38:53,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:53,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:38:53,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:53,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:38:53,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:38:53,855 INFO L87 Difference]: Start difference. First operand 17563 states and 24569 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-24 00:38:57,915 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 [] [2024-11-24 00:39:00,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:39:00,082 INFO L93 Difference]: Finished difference Result 50473 states and 70740 transitions. [2024-11-24 00:39:00,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:39:00,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 161 [2024-11-24 00:39:00,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:39:00,341 INFO L225 Difference]: With dead ends: 50473 [2024-11-24 00:39:00,342 INFO L226 Difference]: Without dead ends: 33522 [2024-11-24 00:39:00,435 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 [2024-11-24 00:39:00,436 INFO L435 NwaCegarLoop]: 3516 mSDtfsCounter, 2397 mSDsluCounter, 2517 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 6033 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 [2024-11-24 00:39:00,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 6033 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 00:39:00,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33522 states. [2024-11-24 00:39:02,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33522 to 33518. [2024-11-24 00:39:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33518 states, 22159 states have (on average 1.236788663748364) internal successors, (27406), 22491 states have internal predecessors, (27406), 9728 states have call successors, (9728), 1677 states have call predecessors, (9728), 1628 states have return successors, (9780), 9534 states have call predecessors, (9780), 9724 states have call successors, (9780) [2024-11-24 00:39:02,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33518 states to 33518 states and 46914 transitions. [2024-11-24 00:39:02,730 INFO L78 Accepts]: Start accepts. Automaton has 33518 states and 46914 transitions. Word has length 161 [2024-11-24 00:39:02,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:39:02,731 INFO L471 AbstractCegarLoop]: Abstraction has 33518 states and 46914 transitions. [2024-11-24 00:39:02,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-24 00:39:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand 33518 states and 46914 transitions. [2024-11-24 00:39:02,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 00:39:02,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:39:02,737 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 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] [2024-11-24 00:39:02,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:39:02,737 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)] === [2024-11-24 00:39:02,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:02,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1269550811, now seen corresponding path program 1 times [2024-11-24 00:39:02,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:39:02,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222337368] [2024-11-24 00:39:02,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:02,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:39:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-24 00:39:08,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:39:08,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222337368] [2024-11-24 00:39:08,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222337368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:39:08,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:39:08,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:39:08,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196326734] [2024-11-24 00:39:08,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:39:08,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:39:08,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:39:08,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:39:08,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:39:08,980 INFO L87 Difference]: Start difference. First operand 33518 states and 46914 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 00:39:10,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:39:10,687 INFO L93 Difference]: Finished difference Result 33524 states and 46919 transitions. [2024-11-24 00:39:10,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:39:10,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2024-11-24 00:39:10,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:39:10,922 INFO L225 Difference]: With dead ends: 33524 [2024-11-24 00:39:10,922 INFO L226 Difference]: Without dead ends: 33522 [2024-11-24 00:39:10,951 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 [2024-11-24 00:39:10,952 INFO L435 NwaCegarLoop]: 2541 mSDtfsCounter, 2497 mSDsluCounter, 5066 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2498 SdHoareTripleChecker+Valid, 7607 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:39:10,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2498 Valid, 7607 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:39:10,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33522 states. [2024-11-24 00:39:12,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33522 to 33522. [2024-11-24 00:39:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33522 states, 22162 states have (on average 1.2367566104142225) internal successors, (27409), 22494 states have internal predecessors, (27409), 9728 states have call successors, (9728), 1678 states have call predecessors, (9728), 1629 states have return successors, (9780), 9534 states have call predecessors, (9780), 9724 states have call successors, (9780) [2024-11-24 00:39:12,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33522 states to 33522 states and 46917 transitions. [2024-11-24 00:39:12,969 INFO L78 Accepts]: Start accepts. Automaton has 33522 states and 46917 transitions. Word has length 161 [2024-11-24 00:39:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:39:12,969 INFO L471 AbstractCegarLoop]: Abstraction has 33522 states and 46917 transitions. [2024-11-24 00:39:12,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 00:39:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 33522 states and 46917 transitions. [2024-11-24 00:39:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-24 00:39:12,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:39:12,976 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:12,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:39:12,976 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)] === [2024-11-24 00:39:12,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:12,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1935447602, now seen corresponding path program 1 times [2024-11-24 00:39:12,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:39:12,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087931501] [2024-11-24 00:39:12,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:12,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:39:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-24 00:39:19,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:39:19,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087931501] [2024-11-24 00:39:19,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087931501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:39:19,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:39:19,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:39:19,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846383180] [2024-11-24 00:39:19,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:39:19,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:39:19,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:39:19,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:39:19,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:39:19,301 INFO L87 Difference]: Start difference. First operand 33522 states and 46917 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 00:39:20,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:39:20,933 INFO L93 Difference]: Finished difference Result 33528 states and 46922 transitions. [2024-11-24 00:39:20,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:39:20,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 166 [2024-11-24 00:39:20,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:39:21,150 INFO L225 Difference]: With dead ends: 33528 [2024-11-24 00:39:21,150 INFO L226 Difference]: Without dead ends: 33526 [2024-11-24 00:39:21,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:39:21,179 INFO L435 NwaCegarLoop]: 2544 mSDtfsCounter, 2493 mSDsluCounter, 5067 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2494 SdHoareTripleChecker+Valid, 7611 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:39:21,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2494 Valid, 7611 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:39:21,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33526 states. [2024-11-24 00:39:22,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33526 to 33526. [2024-11-24 00:39:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33526 states, 22165 states have (on average 1.2367245657568238) internal successors, (27412), 22497 states have internal predecessors, (27412), 9728 states have call successors, (9728), 1679 states have call predecessors, (9728), 1630 states have return successors, (9780), 9534 states have call predecessors, (9780), 9724 states have call successors, (9780) [2024-11-24 00:39:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33526 states to 33526 states and 46920 transitions. [2024-11-24 00:39:22,859 INFO L78 Accepts]: Start accepts. Automaton has 33526 states and 46920 transitions. Word has length 166 [2024-11-24 00:39:22,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:39:22,859 INFO L471 AbstractCegarLoop]: Abstraction has 33526 states and 46920 transitions. [2024-11-24 00:39:22,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 00:39:22,860 INFO L276 IsEmpty]: Start isEmpty. Operand 33526 states and 46920 transitions. [2024-11-24 00:39:22,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 00:39:22,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:39:22,865 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:22,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:39:22,865 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:39:22,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:22,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1033325189, now seen corresponding path program 1 times [2024-11-24 00:39:22,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:39:22,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271237990] [2024-11-24 00:39:22,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:22,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:39:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-11-24 00:39:29,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:39:29,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271237990] [2024-11-24 00:39:29,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271237990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:39:29,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:39:29,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:39:29,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050685491] [2024-11-24 00:39:29,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:39:29,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:39:29,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:39:29,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:39:29,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:39:29,364 INFO L87 Difference]: Start difference. First operand 33526 states and 46920 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-24 00:39:31,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:39:31,104 INFO L93 Difference]: Finished difference Result 33532 states and 46925 transitions. [2024-11-24 00:39:31,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:39:31,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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 171 [2024-11-24 00:39:31,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:39:31,267 INFO L225 Difference]: With dead ends: 33532 [2024-11-24 00:39:31,268 INFO L226 Difference]: Without dead ends: 33530 [2024-11-24 00:39:31,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:39:31,289 INFO L435 NwaCegarLoop]: 2544 mSDtfsCounter, 2492 mSDsluCounter, 5067 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2493 SdHoareTripleChecker+Valid, 7611 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:39:31,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2493 Valid, 7611 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:39:31,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33530 states. [2024-11-24 00:39:33,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33530 to 33530. [2024-11-24 00:39:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33530 states, 22168 states have (on average 1.2366925297726452) internal successors, (27415), 22500 states have internal predecessors, (27415), 9728 states have call successors, (9728), 1680 states have call predecessors, (9728), 1631 states have return successors, (9780), 9534 states have call predecessors, (9780), 9724 states have call successors, (9780) [2024-11-24 00:39:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33530 states to 33530 states and 46923 transitions. [2024-11-24 00:39:33,160 INFO L78 Accepts]: Start accepts. Automaton has 33530 states and 46923 transitions. Word has length 171 [2024-11-24 00:39:33,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:39:33,161 INFO L471 AbstractCegarLoop]: Abstraction has 33530 states and 46923 transitions. [2024-11-24 00:39:33,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-24 00:39:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 33530 states and 46923 transitions. [2024-11-24 00:39:33,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-24 00:39:33,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:39:33,165 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:33,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:39:33,165 INFO L396 AbstractCegarLoop]: === Iteration 10 === 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)] === [2024-11-24 00:39:33,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:33,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1034427697, now seen corresponding path program 1 times [2024-11-24 00:39:33,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:39:33,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489691207] [2024-11-24 00:39:33,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:33,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:39:37,243 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-11-24 00:39:37,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:39:37,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489691207] [2024-11-24 00:39:37,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489691207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:39:37,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:39:37,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:39:37,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089721586] [2024-11-24 00:39:37,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:39:37,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:39:37,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:39:37,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:39:37,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:39:37,247 INFO L87 Difference]: Start difference. First operand 33530 states and 46923 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 00:39:41,304 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 []