./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:28:16,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:28:16,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:28:16,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:28:16,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:28:16,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:28:16,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:28:16,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:28:16,358 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:28:16,358 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:28:16,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:28:16,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:28:16,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:28:16,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:28:16,359 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:28:16,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:28:16,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:28:16,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:28:16,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:28:16,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:28:16,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:28:16,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:28:16,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:28:16,360 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:28:16,360 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:28:16,360 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:28:16,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:28:16,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:28:16,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:28:16,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:28:16,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:28:16,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:28:16,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:28:16,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:28:16,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:28:16,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:28:16,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:28:16,361 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:28:16,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:28:16,361 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:28:16,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:28:16,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:28:16,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:28:16,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:28:16,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:28:16,361 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_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 [2024-12-02 15:28:16,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:28:16,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:28:16,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:28:16,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:28:16,604 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:28:16,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2024-12-02 15:28:19,169 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/data/a2c58de26/96a3daa3d01741a6a46a93f04384e0e3/FLAGdd9b126bd [2024-12-02 15:28:19,661 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:28:19,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2024-12-02 15:28:19,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/data/a2c58de26/96a3daa3d01741a6a46a93f04384e0e3/FLAGdd9b126bd [2024-12-02 15:28:19,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/data/a2c58de26/96a3daa3d01741a6a46a93f04384e0e3 [2024-12-02 15:28:19,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:28:19,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:28:19,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:28:19,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:28:19,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:28:19,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:19" (1/1) ... [2024-12-02 15:28:19,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4476281f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:19, skipping insertion in model container [2024-12-02 15:28:19,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:28:19" (1/1) ... [2024-12-02 15:28:19,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:28:21,940 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_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2024-12-02 15:28:21,943 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_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2024-12-02 15:28:21,944 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_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2024-12-02 15:28:21,944 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_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2024-12-02 15:28:21,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:28:21,995 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:28:22,109 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"); [5286] [2024-12-02 15:28:22,111 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)); [5293] [2024-12-02 15:28:22,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5300] [2024-12-02 15:28:22,114 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)); [5339-5340] [2024-12-02 15:28:22,114 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"); [5345-5347] [2024-12-02 15:28:22,116 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" (809), "i" (12UL)); [5372-5373] [2024-12-02 15:28:22,116 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5378-5380] [2024-12-02 15:28:22,117 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" (814), "i" (12UL)); [5404-5405] [2024-12-02 15:28:22,117 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5410-5412] [2024-12-02 15:28:22,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5564] [2024-12-02 15:28:22,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5572] [2024-12-02 15:28:22,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5580] [2024-12-02 15:28:22,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5587] [2024-12-02 15:28:22,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5594] [2024-12-02 15:28:22,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5601] [2024-12-02 15:28:22,129 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)); [5696-5697] [2024-12-02 15:28:22,131 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)); [5730-5731] [2024-12-02 15:28:22,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5966-5967] [2024-12-02 15:28:22,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5973] [2024-12-02 15:28:22,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6670] [2024-12-02 15:28:22,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7126] [2024-12-02 15:28:22,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7718] [2024-12-02 15:28:22,320 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_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2024-12-02 15:28:22,321 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_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2024-12-02 15:28:22,321 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_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2024-12-02 15:28:22,321 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_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2024-12-02 15:28:22,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:28:22,546 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:28:22,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22 WrapperNode [2024-12-02 15:28:22,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:28:22,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:28:22,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:28:22,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:28:22,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:22,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:22,737 INFO L138 Inliner]: procedures = 454, calls = 1845, calls flagged for inlining = 226, calls inlined = 204, statements flattened = 5131 [2024-12-02 15:28:22,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:28:22,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:28:22,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:28:22,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:28:22,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:22,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:22,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:23,686 INFO L175 MemorySlicer]: Split 751 memory accesses to 19 slices as follows [17, 1, 2, 4, 9, 9, 4, 9, 3, 5, 5, 52, 3, 609, 3, 6, 2, 2, 6]. 81 percent of accesses are in the largest equivalence class. The 57 initializations are split as follows [0, 1, 2, 0, 8, 8, 4, 8, 3, 5, 5, 0, 1, 6, 0, 0, 0, 0, 6]. The 366 writes are split as follows [7, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 42, 0, 311, 0, 2, 1, 1, 0]. [2024-12-02 15:28:23,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:23,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:23,768 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:23,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:23,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:23,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:23,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:23,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:28:23,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:28:23,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:28:23,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:28:23,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (1/1) ... [2024-12-02 15:28:23,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:28:23,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:28:23,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:28:23,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74cbe34-0b9e-474e-b8c5-d6a97c9de2ee/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:28:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 15:28:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 15:28:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2024-12-02 15:28:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2024-12-02 15:28:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 15:28:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 15:28:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 15:28:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 15:28:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 15:28:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 15:28:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 15:28:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 15:28:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 15:28:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 15:28:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:28:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:28:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-12-02 15:28:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-12-02 15:28:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 15:28:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 15:28:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 15:28:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 15:28:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-12-02 15:28:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-12-02 15:28:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 15:28:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 15:28:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 15:28:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 15:28:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 15:28:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 15:28:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 15:28:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 15:28:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 15:28:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 15:28:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-12-02 15:28:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-12-02 15:28:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 15:28:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 15:28:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:28:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 15:28:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 15:28:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-12-02 15:28:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2024-12-02 15:28:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 15:28:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2024-12-02 15:28:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 15:28:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2024-12-02 15:28:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 15:28:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2024-12-02 15:28:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 15:28:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2024-12-02 15:28:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 15:28:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 15:28:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 15:28:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 15:28:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 15:28:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 15:28:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 15:28:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 15:28:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 15:28:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 15:28:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 15:28:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 15:28:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 15:28:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 15:28:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 15:28:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 15:28:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 15:28:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2024-12-02 15:28:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2024-12-02 15:28:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:28:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:28:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 15:28:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 15:28:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 15:28:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 15:28:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 15:28:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2024-12-02 15:28:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2024-12-02 15:28:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-12-02 15:28:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-12-02 15:28:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:28:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 15:28:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 15:28:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 15:28:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 15:28:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:28:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 15:28:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 15:28:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:28:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:28:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-12-02 15:28:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-12-02 15:28:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2024-12-02 15:28:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2024-12-02 15:28:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 15:28:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 15:28:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-12-02 15:28:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-12-02 15:28:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 15:28:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 15:28:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2024-12-02 15:28:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2024-12-02 15:28:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 15:28:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 15:28:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 15:28:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 15:28:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 15:28:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-12-02 15:28:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-12-02 15:28:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-12-02 15:28:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:28:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2024-12-02 15:28:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 15:28:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 15:28:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 15:28:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:28:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 15:28:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2024-12-02 15:28:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2024-12-02 15:28:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2024-12-02 15:28:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 15:28:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 15:28:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2024-12-02 15:28:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2024-12-02 15:28:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 15:28:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 15:28:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2024-12-02 15:28:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2024-12-02 15:28:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 15:28:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 15:28:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-12-02 15:28:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-12-02 15:28:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 15:28:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 15:28:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-12-02 15:28:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-12-02 15:28:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:28:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-12-02 15:28:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-12-02 15:28:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 15:28:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 15:28:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2024-12-02 15:28:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2024-12-02 15:28:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-12-02 15:28:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2024-12-02 15:28:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2024-12-02 15:28:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 15:28:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 15:28:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 15:28:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 15:28:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_66 [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_66 [2024-12-02 15:28:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2024-12-02 15:28:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 15:28:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 15:28:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 15:28:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-12-02 15:28:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 15:28:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 15:28:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 15:28:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2024-12-02 15:28:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 15:28:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_68 [2024-12-02 15:28:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_68 [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2024-12-02 15:28:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2024-12-02 15:28:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 15:28:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 15:28:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2024-12-02 15:28:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 15:28:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:28:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 15:28:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2024-12-02 15:28:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2024-12-02 15:28:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 15:28:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 15:28:24,702 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:28:24,704 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:28:24,727 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 15:28:34,552 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 15:28:35,473 INFO L? ?]: Removed 2395 outVars from TransFormulas that were not future-live. [2024-12-02 15:28:35,473 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:28:35,512 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:28:35,512 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 15:28:35,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:28:35 BoogieIcfgContainer [2024-12-02 15:28:35,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:28:35,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:28:35,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:28:35,519 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:28:35,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:28:19" (1/3) ... [2024-12-02 15:28:35,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a83142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:28:35, skipping insertion in model container [2024-12-02 15:28:35,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:28:22" (2/3) ... [2024-12-02 15:28:35,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a83142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:28:35, skipping insertion in model container [2024-12-02 15:28:35,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:28:35" (3/3) ... [2024-12-02 15:28:35,521 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2024-12-02 15:28:35,535 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:28:35,538 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i that has 100 procedures, 2072 locations, 1 initial locations, 4 loop locations, and 3 error locations. [2024-12-02 15:28:35,630 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:28:35,641 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;@9858033, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:28:35,641 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 15:28:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 2070 states, 1432 states have (on average 1.2960893854748603) internal successors, (1856), 1460 states have internal predecessors, (1856), 537 states have call successors, (537), 99 states have call predecessors, (537), 98 states have return successors, (532), 525 states have call predecessors, (532), 532 states have call successors, (532) [2024-12-02 15:28:35,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 15:28:35,663 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:35,664 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:35,664 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:28:35,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:35,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1266993872, now seen corresponding path program 1 times [2024-12-02 15:28:35,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:35,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192855575] [2024-12-02 15:28:35,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:35,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 15:28:38,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:38,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192855575] [2024-12-02 15:28:38,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192855575] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:38,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:38,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:28:38,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545971187] [2024-12-02 15:28:38,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:38,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:28:38,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:38,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:28:38,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:38,981 INFO L87 Difference]: Start difference. First operand has 2070 states, 1432 states have (on average 1.2960893854748603) internal successors, (1856), 1460 states have internal predecessors, (1856), 537 states have call successors, (537), 99 states have call predecessors, (537), 98 states have return successors, (532), 525 states have call predecessors, (532), 532 states have call successors, (532) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 15:28:43,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:43,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:43,398 INFO L93 Difference]: Finished difference Result 6086 states and 8879 transitions. [2024-12-02 15:28:43,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:28:43,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 134 [2024-12-02 15:28:43,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:43,440 INFO L225 Difference]: With dead ends: 6086 [2024-12-02 15:28:43,440 INFO L226 Difference]: Without dead ends: 4031 [2024-12-02 15:28:43,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:43,463 INFO L435 NwaCegarLoop]: 2906 mSDtfsCounter, 2786 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2786 SdHoareTripleChecker+Valid, 5750 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:43,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2786 Valid, 5750 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 15:28:43,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4031 states. [2024-12-02 15:28:43,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4031 to 4027. [2024-12-02 15:28:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4027 states, 2802 states have (on average 1.271948608137045) internal successors, (3564), 2856 states have internal predecessors, (3564), 1029 states have call successors, (1029), 194 states have call predecessors, (1029), 193 states have return successors, (1026), 1012 states have call predecessors, (1026), 1026 states have call successors, (1026) [2024-12-02 15:28:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 4027 states and 5619 transitions. [2024-12-02 15:28:43,840 INFO L78 Accepts]: Start accepts. Automaton has 4027 states and 5619 transitions. Word has length 134 [2024-12-02 15:28:43,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:43,841 INFO L471 AbstractCegarLoop]: Abstraction has 4027 states and 5619 transitions. [2024-12-02 15:28:43,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 15:28:43,841 INFO L276 IsEmpty]: Start isEmpty. Operand 4027 states and 5619 transitions. [2024-12-02 15:28:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 15:28:43,847 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:43,847 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:43,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:28:43,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:28:43,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:43,848 INFO L85 PathProgramCache]: Analyzing trace with hash 672445398, now seen corresponding path program 1 times [2024-12-02 15:28:43,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:43,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107570320] [2024-12-02 15:28:43,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:43,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 15:28:46,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:46,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107570320] [2024-12-02 15:28:46,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107570320] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:46,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:46,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:28:46,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428353791] [2024-12-02 15:28:46,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:46,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:28:46,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:46,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:28:46,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:46,842 INFO L87 Difference]: Start difference. First operand 4027 states and 5619 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 15:28:50,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:51,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:51,519 INFO L93 Difference]: Finished difference Result 11923 states and 16657 transitions. [2024-12-02 15:28:51,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:28:51,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 148 [2024-12-02 15:28:51,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:51,589 INFO L225 Difference]: With dead ends: 11923 [2024-12-02 15:28:51,589 INFO L226 Difference]: Without dead ends: 7921 [2024-12-02 15:28:51,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:51,612 INFO L435 NwaCegarLoop]: 3019 mSDtfsCounter, 2804 mSDsluCounter, 2801 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 5820 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:51,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 5820 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 15:28:51,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7921 states. [2024-12-02 15:28:52,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7921 to 7886. [2024-12-02 15:28:52,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7886 states, 5500 states have (on average 1.274) internal successors, (7007), 5612 states have internal predecessors, (7007), 2002 states have call successors, (2002), 386 states have call predecessors, (2002), 381 states have return successors, (2013), 1957 states have call predecessors, (2013), 1999 states have call successors, (2013) [2024-12-02 15:28:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7886 states to 7886 states and 11022 transitions. [2024-12-02 15:28:52,079 INFO L78 Accepts]: Start accepts. Automaton has 7886 states and 11022 transitions. Word has length 148 [2024-12-02 15:28:52,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:52,080 INFO L471 AbstractCegarLoop]: Abstraction has 7886 states and 11022 transitions. [2024-12-02 15:28:52,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 15:28:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 7886 states and 11022 transitions. [2024-12-02 15:28:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 15:28:52,083 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:52,084 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:52,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:28:52,084 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:28:52,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:52,085 INFO L85 PathProgramCache]: Analyzing trace with hash 62121489, now seen corresponding path program 1 times [2024-12-02 15:28:52,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:52,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628842281] [2024-12-02 15:28:52,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:52,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 15:28:54,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:54,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628842281] [2024-12-02 15:28:54,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628842281] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:54,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:54,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:28:54,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044131958] [2024-12-02 15:28:54,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:54,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:28:54,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:54,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:28:54,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:54,908 INFO L87 Difference]: Start difference. First operand 7886 states and 11022 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 15:28:58,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:00,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:00,158 INFO L93 Difference]: Finished difference Result 22216 states and 31004 transitions. [2024-12-02 15:29:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:29:00,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 146 [2024-12-02 15:29:00,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:00,260 INFO L225 Difference]: With dead ends: 22216 [2024-12-02 15:29:00,260 INFO L226 Difference]: Without dead ends: 14355 [2024-12-02 15:29:00,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:29:00,303 INFO L435 NwaCegarLoop]: 2899 mSDtfsCounter, 2385 mSDsluCounter, 2779 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2385 SdHoareTripleChecker+Valid, 5678 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:00,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2385 Valid, 5678 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:29:00,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14355 states. [2024-12-02 15:29:01,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14355 to 14318. [2024-12-02 15:29:01,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14318 states, 9926 states have (on average 1.2731210961112231) internal successors, (12637), 10140 states have internal predecessors, (12637), 3642 states have call successors, (3642), 756 states have call predecessors, (3642), 747 states have return successors, (3673), 3547 states have call predecessors, (3673), 3639 states have call successors, (3673) [2024-12-02 15:29:01,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14318 states to 14318 states and 19952 transitions. [2024-12-02 15:29:01,218 INFO L78 Accepts]: Start accepts. Automaton has 14318 states and 19952 transitions. Word has length 146 [2024-12-02 15:29:01,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:01,219 INFO L471 AbstractCegarLoop]: Abstraction has 14318 states and 19952 transitions. [2024-12-02 15:29:01,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 15:29:01,219 INFO L276 IsEmpty]: Start isEmpty. Operand 14318 states and 19952 transitions. [2024-12-02 15:29:01,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 15:29:01,222 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:01,222 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:01,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:29:01,223 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:01,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:01,224 INFO L85 PathProgramCache]: Analyzing trace with hash -195923646, now seen corresponding path program 1 times [2024-12-02 15:29:01,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:01,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079052706] [2024-12-02 15:29:01,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:01,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:04,539 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 15:29:04,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:04,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079052706] [2024-12-02 15:29:04,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079052706] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:04,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:04,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:29:04,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726728846] [2024-12-02 15:29:04,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:04,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:29:04,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:04,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:29:04,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:29:04,541 INFO L87 Difference]: Start difference. First operand 14318 states and 19952 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:29:08,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:09,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:09,395 INFO L93 Difference]: Finished difference Result 24847 states and 34572 transitions. [2024-12-02 15:29:09,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:29:09,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 155 [2024-12-02 15:29:09,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:09,450 INFO L225 Difference]: With dead ends: 24847 [2024-12-02 15:29:09,451 INFO L226 Difference]: Without dead ends: 10554 [2024-12-02 15:29:09,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:29:09,489 INFO L435 NwaCegarLoop]: 4178 mSDtfsCounter, 1860 mSDsluCounter, 2804 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 6982 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:09,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1860 Valid, 6982 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:29:09,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10554 states. [2024-12-02 15:29:09,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10554 to 10526. [2024-12-02 15:29:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10526 states, 7410 states have (on average 1.2719298245614035) internal successors, (9425), 7568 states have internal predecessors, (9425), 2550 states have call successors, (2550), 568 states have call predecessors, (2550), 563 states have return successors, (2564), 2479 states have call predecessors, (2564), 2547 states have call successors, (2564) [2024-12-02 15:29:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10526 states to 10526 states and 14539 transitions. [2024-12-02 15:29:10,003 INFO L78 Accepts]: Start accepts. Automaton has 10526 states and 14539 transitions. Word has length 155 [2024-12-02 15:29:10,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:10,003 INFO L471 AbstractCegarLoop]: Abstraction has 10526 states and 14539 transitions. [2024-12-02 15:29:10,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:29:10,004 INFO L276 IsEmpty]: Start isEmpty. Operand 10526 states and 14539 transitions. [2024-12-02 15:29:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 15:29:10,007 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:10,007 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:10,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:29:10,008 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:10,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:10,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1276141894, now seen corresponding path program 1 times [2024-12-02 15:29:10,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:10,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387172221] [2024-12-02 15:29:10,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:10,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2024-12-02 15:29:12,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:12,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387172221] [2024-12-02 15:29:12,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387172221] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:12,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:12,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:29:12,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930905108] [2024-12-02 15:29:12,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:12,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:29:12,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:12,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:29:12,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:29:12,787 INFO L87 Difference]: Start difference. First operand 10526 states and 14539 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:29:16,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:17,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:17,402 INFO L93 Difference]: Finished difference Result 31065 states and 42964 transitions. [2024-12-02 15:29:17,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:29:17,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 186 [2024-12-02 15:29:17,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:17,510 INFO L225 Difference]: With dead ends: 31065 [2024-12-02 15:29:17,510 INFO L226 Difference]: Without dead ends: 20621 [2024-12-02 15:29:17,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:29:17,555 INFO L435 NwaCegarLoop]: 2986 mSDtfsCounter, 2789 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 5830 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:17,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2789 Valid, 5830 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 15:29:17,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20621 states. [2024-12-02 15:29:18,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20621 to 20599. [2024-12-02 15:29:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20599 states, 14520 states have (on average 1.2742424242424242) internal successors, (18502), 14814 states have internal predecessors, (18502), 4977 states have call successors, (4977), 1108 states have call predecessors, (4977), 1099 states have return successors, (5008), 4856 states have call predecessors, (5008), 4974 states have call successors, (5008) [2024-12-02 15:29:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20599 states to 20599 states and 28487 transitions. [2024-12-02 15:29:18,510 INFO L78 Accepts]: Start accepts. Automaton has 20599 states and 28487 transitions. Word has length 186 [2024-12-02 15:29:18,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:18,510 INFO L471 AbstractCegarLoop]: Abstraction has 20599 states and 28487 transitions. [2024-12-02 15:29:18,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:29:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 20599 states and 28487 transitions. [2024-12-02 15:29:18,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 15:29:18,513 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:18,513 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:18,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:29:18,514 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)] === [2024-12-02 15:29:18,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:18,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1698843720, now seen corresponding path program 1 times [2024-12-02 15:29:18,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:18,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50697163] [2024-12-02 15:29:18,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:18,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-12-02 15:29:21,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:21,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50697163] [2024-12-02 15:29:21,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50697163] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:21,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:21,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:21,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561525738] [2024-12-02 15:29:21,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:21,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:21,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:21,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:21,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:21,492 INFO L87 Difference]: Start difference. First operand 20599 states and 28487 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:29:22,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:22,049 INFO L93 Difference]: Finished difference Result 20605 states and 28492 transitions. [2024-12-02 15:29:22,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:22,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2024-12-02 15:29:22,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:22,114 INFO L225 Difference]: With dead ends: 20605 [2024-12-02 15:29:22,114 INFO L226 Difference]: Without dead ends: 20603 [2024-12-02 15:29:22,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:22,121 INFO L435 NwaCegarLoop]: 2867 mSDtfsCounter, 2821 mSDsluCounter, 5721 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 8588 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:22,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2822 Valid, 8588 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:29:22,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20603 states. [2024-12-02 15:29:22,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20603 to 20603. [2024-12-02 15:29:22,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20603 states, 14523 states have (on average 1.2741857742890588) internal successors, (18505), 14817 states have internal predecessors, (18505), 4977 states have call successors, (4977), 1109 states have call predecessors, (4977), 1100 states have return successors, (5008), 4856 states have call predecessors, (5008), 4974 states have call successors, (5008) [2024-12-02 15:29:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20603 states to 20603 states and 28490 transitions. [2024-12-02 15:29:22,975 INFO L78 Accepts]: Start accepts. Automaton has 20603 states and 28490 transitions. Word has length 186 [2024-12-02 15:29:22,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:22,976 INFO L471 AbstractCegarLoop]: Abstraction has 20603 states and 28490 transitions. [2024-12-02 15:29:22,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:29:22,976 INFO L276 IsEmpty]: Start isEmpty. Operand 20603 states and 28490 transitions. [2024-12-02 15:29:22,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-12-02 15:29:22,982 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:22,982 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:22,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:29:22,983 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)] === [2024-12-02 15:29:22,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:22,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1403757848, now seen corresponding path program 1 times [2024-12-02 15:29:22,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:22,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77861871] [2024-12-02 15:29:22,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:22,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-12-02 15:29:25,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:25,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77861871] [2024-12-02 15:29:25,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77861871] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:25,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:25,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:25,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310964990] [2024-12-02 15:29:25,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:25,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:25,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:25,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:25,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:25,927 INFO L87 Difference]: Start difference. First operand 20603 states and 28490 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:29:26,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:26,552 INFO L93 Difference]: Finished difference Result 20609 states and 28495 transitions. [2024-12-02 15:29:26,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:26,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2024-12-02 15:29:26,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:26,676 INFO L225 Difference]: With dead ends: 20609 [2024-12-02 15:29:26,676 INFO L226 Difference]: Without dead ends: 20607 [2024-12-02 15:29:26,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:26,690 INFO L435 NwaCegarLoop]: 2870 mSDtfsCounter, 2817 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2818 SdHoareTripleChecker+Valid, 8592 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:26,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2818 Valid, 8592 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:29:26,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20607 states. [2024-12-02 15:29:27,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20607 to 20607. [2024-12-02 15:29:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20607 states, 14526 states have (on average 1.2741291477350958) internal successors, (18508), 14820 states have internal predecessors, (18508), 4977 states have call successors, (4977), 1110 states have call predecessors, (4977), 1101 states have return successors, (5008), 4856 states have call predecessors, (5008), 4974 states have call successors, (5008) [2024-12-02 15:29:27,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20607 states to 20607 states and 28493 transitions. [2024-12-02 15:29:27,917 INFO L78 Accepts]: Start accepts. Automaton has 20607 states and 28493 transitions. Word has length 191 [2024-12-02 15:29:27,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:27,917 INFO L471 AbstractCegarLoop]: Abstraction has 20607 states and 28493 transitions. [2024-12-02 15:29:27,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:29:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 20607 states and 28493 transitions. [2024-12-02 15:29:27,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-12-02 15:29:27,921 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:27,921 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:27,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:29:27,921 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:27,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:27,921 INFO L85 PathProgramCache]: Analyzing trace with hash -176191480, now seen corresponding path program 1 times [2024-12-02 15:29:27,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:27,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749458321] [2024-12-02 15:29:27,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:27,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2024-12-02 15:29:30,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:30,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749458321] [2024-12-02 15:29:30,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749458321] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:30,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:30,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:30,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133797935] [2024-12-02 15:29:30,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:30,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:30,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:30,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:30,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:30,729 INFO L87 Difference]: Start difference. First operand 20607 states and 28493 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:29:31,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:31,606 INFO L93 Difference]: Finished difference Result 20613 states and 28498 transitions. [2024-12-02 15:29:31,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:31,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2024-12-02 15:29:31,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:31,692 INFO L225 Difference]: With dead ends: 20613 [2024-12-02 15:29:31,692 INFO L226 Difference]: Without dead ends: 20611 [2024-12-02 15:29:31,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:31,700 INFO L435 NwaCegarLoop]: 2870 mSDtfsCounter, 2816 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2817 SdHoareTripleChecker+Valid, 8592 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:31,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2817 Valid, 8592 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:29:31,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20611 states. [2024-12-02 15:29:32,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20611 to 20611. [2024-12-02 15:29:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20611 states, 14529 states have (on average 1.2740725445660404) internal successors, (18511), 14823 states have internal predecessors, (18511), 4977 states have call successors, (4977), 1111 states have call predecessors, (4977), 1102 states have return successors, (5008), 4856 states have call predecessors, (5008), 4974 states have call successors, (5008) [2024-12-02 15:29:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20611 states to 20611 states and 28496 transitions. [2024-12-02 15:29:32,669 INFO L78 Accepts]: Start accepts. Automaton has 20611 states and 28496 transitions. Word has length 196 [2024-12-02 15:29:32,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:32,670 INFO L471 AbstractCegarLoop]: Abstraction has 20611 states and 28496 transitions. [2024-12-02 15:29:32,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:29:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 20611 states and 28496 transitions. [2024-12-02 15:29:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-12-02 15:29:32,672 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:32,672 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:32,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:29:32,673 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:32,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:32,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1342134616, now seen corresponding path program 1 times [2024-12-02 15:29:32,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:32,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059829090] [2024-12-02 15:29:32,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:32,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2024-12-02 15:29:35,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:35,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059829090] [2024-12-02 15:29:35,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059829090] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:35,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:35,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:35,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346949354] [2024-12-02 15:29:35,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:35,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:35,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:35,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:35,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:35,378 INFO L87 Difference]: Start difference. First operand 20611 states and 28496 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 15:29:36,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:36,037 INFO L93 Difference]: Finished difference Result 20617 states and 28501 transitions. [2024-12-02 15:29:36,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:36,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2024-12-02 15:29:36,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:36,109 INFO L225 Difference]: With dead ends: 20617 [2024-12-02 15:29:36,110 INFO L226 Difference]: Without dead ends: 20615 [2024-12-02 15:29:36,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:36,121 INFO L435 NwaCegarLoop]: 2870 mSDtfsCounter, 2815 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2816 SdHoareTripleChecker+Valid, 8592 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:36,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2816 Valid, 8592 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:29:36,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20615 states. [2024-12-02 15:29:36,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20615 to 20615. [2024-12-02 15:29:36,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20615 states, 14532 states have (on average 1.2740159647674099) internal successors, (18514), 14826 states have internal predecessors, (18514), 4977 states have call successors, (4977), 1112 states have call predecessors, (4977), 1103 states have return successors, (5008), 4856 states have call predecessors, (5008), 4974 states have call successors, (5008) [2024-12-02 15:29:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20615 states to 20615 states and 28499 transitions. [2024-12-02 15:29:36,842 INFO L78 Accepts]: Start accepts. Automaton has 20615 states and 28499 transitions. Word has length 201 [2024-12-02 15:29:36,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:36,842 INFO L471 AbstractCegarLoop]: Abstraction has 20615 states and 28499 transitions. [2024-12-02 15:29:36,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 15:29:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 20615 states and 28499 transitions. [2024-12-02 15:29:36,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-12-02 15:29:36,844 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:36,845 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:36,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:29:36,845 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:36,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:36,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1599683640, now seen corresponding path program 1 times [2024-12-02 15:29:36,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:36,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323121834] [2024-12-02 15:29:36,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:36,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-12-02 15:29:39,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:39,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323121834] [2024-12-02 15:29:39,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323121834] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:39,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:39,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:39,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178769493] [2024-12-02 15:29:39,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:39,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:39,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:39,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:39,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:39,943 INFO L87 Difference]: Start difference. First operand 20615 states and 28499 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:29:40,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:40,650 INFO L93 Difference]: Finished difference Result 20621 states and 28504 transitions. [2024-12-02 15:29:40,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:40,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 206 [2024-12-02 15:29:40,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:40,704 INFO L225 Difference]: With dead ends: 20621 [2024-12-02 15:29:40,704 INFO L226 Difference]: Without dead ends: 20619 [2024-12-02 15:29:40,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:40,711 INFO L435 NwaCegarLoop]: 2870 mSDtfsCounter, 2814 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 8592 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:40,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2815 Valid, 8592 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:29:40,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20619 states. [2024-12-02 15:29:41,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20619 to 20619. [2024-12-02 15:29:41,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20619 states, 14535 states have (on average 1.2739594083247334) internal successors, (18517), 14829 states have internal predecessors, (18517), 4977 states have call successors, (4977), 1113 states have call predecessors, (4977), 1104 states have return successors, (5008), 4856 states have call predecessors, (5008), 4974 states have call successors, (5008) [2024-12-02 15:29:41,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20619 states to 20619 states and 28502 transitions. [2024-12-02 15:29:41,394 INFO L78 Accepts]: Start accepts. Automaton has 20619 states and 28502 transitions. Word has length 206 [2024-12-02 15:29:41,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:41,394 INFO L471 AbstractCegarLoop]: Abstraction has 20619 states and 28502 transitions. [2024-12-02 15:29:41,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:29:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 20619 states and 28502 transitions. [2024-12-02 15:29:41,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-12-02 15:29:41,397 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:41,397 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:41,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:29:41,398 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:41,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:41,398 INFO L85 PathProgramCache]: Analyzing trace with hash -620563864, now seen corresponding path program 1 times [2024-12-02 15:29:41,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:41,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503609949] [2024-12-02 15:29:41,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:41,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-12-02 15:29:44,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:44,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503609949] [2024-12-02 15:29:44,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503609949] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:44,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:44,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:44,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014894687] [2024-12-02 15:29:44,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:44,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:44,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:44,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:44,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:44,091 INFO L87 Difference]: Start difference. First operand 20619 states and 28502 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:29:44,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:44,850 INFO L93 Difference]: Finished difference Result 20625 states and 28507 transitions. [2024-12-02 15:29:44,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:44,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 211 [2024-12-02 15:29:44,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:44,897 INFO L225 Difference]: With dead ends: 20625 [2024-12-02 15:29:44,897 INFO L226 Difference]: Without dead ends: 20623 [2024-12-02 15:29:44,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:44,902 INFO L435 NwaCegarLoop]: 2870 mSDtfsCounter, 2813 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2814 SdHoareTripleChecker+Valid, 8592 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:44,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 8592 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:29:44,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20623 states. [2024-12-02 15:29:45,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20623 to 20623. [2024-12-02 15:29:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20623 states, 14538 states have (on average 1.2739028752235522) internal successors, (18520), 14832 states have internal predecessors, (18520), 4977 states have call successors, (4977), 1114 states have call predecessors, (4977), 1105 states have return successors, (5008), 4856 states have call predecessors, (5008), 4974 states have call successors, (5008) [2024-12-02 15:29:45,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20623 states to 20623 states and 28505 transitions. [2024-12-02 15:29:45,624 INFO L78 Accepts]: Start accepts. Automaton has 20623 states and 28505 transitions. Word has length 211 [2024-12-02 15:29:45,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:45,624 INFO L471 AbstractCegarLoop]: Abstraction has 20623 states and 28505 transitions. [2024-12-02 15:29:45,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:29:45,624 INFO L276 IsEmpty]: Start isEmpty. Operand 20623 states and 28505 transitions. [2024-12-02 15:29:45,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-12-02 15:29:45,626 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:45,626 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 7, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:45,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:29:45,627 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:45,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:45,627 INFO L85 PathProgramCache]: Analyzing trace with hash 183555729, now seen corresponding path program 1 times [2024-12-02 15:29:45,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:45,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566368371] [2024-12-02 15:29:45,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:45,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:48,562 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2024-12-02 15:29:48,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:48,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566368371] [2024-12-02 15:29:48,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566368371] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:48,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:48,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:48,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52411866] [2024-12-02 15:29:48,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:48,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:48,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:48,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:48,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:48,563 INFO L87 Difference]: Start difference. First operand 20623 states and 28505 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:29:49,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:49,412 INFO L93 Difference]: Finished difference Result 22405 states and 30474 transitions. [2024-12-02 15:29:49,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:49,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 234 [2024-12-02 15:29:49,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:49,472 INFO L225 Difference]: With dead ends: 22405 [2024-12-02 15:29:49,473 INFO L226 Difference]: Without dead ends: 22403 [2024-12-02 15:29:49,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:49,484 INFO L435 NwaCegarLoop]: 2934 mSDtfsCounter, 1659 mSDsluCounter, 7233 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1660 SdHoareTripleChecker+Valid, 10167 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:49,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1660 Valid, 10167 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:29:49,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22403 states. [2024-12-02 15:29:50,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22403 to 22403. [2024-12-02 15:29:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22403 states, 15795 states have (on average 1.2664134219689775) internal successors, (20003), 16113 states have internal predecessors, (20003), 5219 states have call successors, (5219), 1395 states have call predecessors, (5219), 1386 states have return successors, (5250), 5098 states have call predecessors, (5250), 5216 states have call successors, (5250) [2024-12-02 15:29:50,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22403 states to 22403 states and 30472 transitions. [2024-12-02 15:29:50,331 INFO L78 Accepts]: Start accepts. Automaton has 22403 states and 30472 transitions. Word has length 234 [2024-12-02 15:29:50,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:50,331 INFO L471 AbstractCegarLoop]: Abstraction has 22403 states and 30472 transitions. [2024-12-02 15:29:50,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:29:50,332 INFO L276 IsEmpty]: Start isEmpty. Operand 22403 states and 30472 transitions. [2024-12-02 15:29:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-12-02 15:29:50,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:50,335 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:50,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:29:50,335 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:50,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:50,336 INFO L85 PathProgramCache]: Analyzing trace with hash -14025496, now seen corresponding path program 1 times [2024-12-02 15:29:50,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:50,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128955086] [2024-12-02 15:29:50,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:50,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2024-12-02 15:29:52,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:52,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128955086] [2024-12-02 15:29:52,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128955086] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:52,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:52,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:29:52,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87704098] [2024-12-02 15:29:52,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:52,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:29:52,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:52,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:29:52,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:29:52,682 INFO L87 Difference]: Start difference. First operand 22403 states and 30472 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 15:29:56,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:58,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:58,153 INFO L93 Difference]: Finished difference Result 51324 states and 69801 transitions. [2024-12-02 15:29:58,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:29:58,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 215 [2024-12-02 15:29:58,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:58,233 INFO L225 Difference]: With dead ends: 51324 [2024-12-02 15:29:58,233 INFO L226 Difference]: Without dead ends: 29003 [2024-12-02 15:29:58,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:29:58,284 INFO L435 NwaCegarLoop]: 4664 mSDtfsCounter, 1859 mSDsluCounter, 2800 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1859 SdHoareTripleChecker+Valid, 7464 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:58,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1859 Valid, 7464 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 15:29:58,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29003 states. [2024-12-02 15:29:59,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29003 to 28947. [2024-12-02 15:29:59,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28947 states, 20547 states have (on average 1.2672896286562516) internal successors, (26039), 20949 states have internal predecessors, (26039), 6591 states have call successors, (6591), 1815 states have call predecessors, (6591), 1806 states have return successors, (6622), 6444 states have call predecessors, (6622), 6588 states have call successors, (6622) [2024-12-02 15:29:59,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28947 states to 28947 states and 39252 transitions. [2024-12-02 15:29:59,377 INFO L78 Accepts]: Start accepts. Automaton has 28947 states and 39252 transitions. Word has length 215 [2024-12-02 15:29:59,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:59,377 INFO L471 AbstractCegarLoop]: Abstraction has 28947 states and 39252 transitions. [2024-12-02 15:29:59,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 15:29:59,378 INFO L276 IsEmpty]: Start isEmpty. Operand 28947 states and 39252 transitions. [2024-12-02 15:29:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-12-02 15:29:59,379 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:59,379 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 8, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:59,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:29:59,379 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:59,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:59,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1567384767, now seen corresponding path program 1 times [2024-12-02 15:29:59,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:59,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136811750] [2024-12-02 15:29:59,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:59,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2024-12-02 15:30:01,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:01,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136811750] [2024-12-02 15:30:01,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136811750] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:01,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:01,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:30:01,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314307492] [2024-12-02 15:30:01,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:01,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:30:01,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:01,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:30:01,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:30:01,984 INFO L87 Difference]: Start difference. First operand 28947 states and 39252 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:30:03,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:03,441 INFO L93 Difference]: Finished difference Result 28953 states and 39257 transitions. [2024-12-02 15:30:03,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:30:03,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 239 [2024-12-02 15:30:03,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:03,520 INFO L225 Difference]: With dead ends: 28953 [2024-12-02 15:30:03,520 INFO L226 Difference]: Without dead ends: 28951 [2024-12-02 15:30:03,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:30:03,533 INFO L435 NwaCegarLoop]: 2870 mSDtfsCounter, 2800 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2801 SdHoareTripleChecker+Valid, 8592 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:03,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2801 Valid, 8592 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:30:03,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28951 states. [2024-12-02 15:30:04,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28951 to 28951. [2024-12-02 15:30:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28951 states, 20550 states have (on average 1.2672506082725061) internal successors, (26042), 20952 states have internal predecessors, (26042), 6591 states have call successors, (6591), 1816 states have call predecessors, (6591), 1807 states have return successors, (6622), 6444 states have call predecessors, (6622), 6588 states have call successors, (6622) [2024-12-02 15:30:04,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28951 states to 28951 states and 39255 transitions. [2024-12-02 15:30:04,682 INFO L78 Accepts]: Start accepts. Automaton has 28951 states and 39255 transitions. Word has length 239 [2024-12-02 15:30:04,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:04,683 INFO L471 AbstractCegarLoop]: Abstraction has 28951 states and 39255 transitions. [2024-12-02 15:30:04,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:30:04,683 INFO L276 IsEmpty]: Start isEmpty. Operand 28951 states and 39255 transitions. [2024-12-02 15:30:04,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-12-02 15:30:04,684 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:04,684 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 9, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:04,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:30:04,684 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:30:04,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:04,685 INFO L85 PathProgramCache]: Analyzing trace with hash -23749871, now seen corresponding path program 1 times [2024-12-02 15:30:04,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:04,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162701705] [2024-12-02 15:30:04,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:04,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2024-12-02 15:30:07,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:07,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162701705] [2024-12-02 15:30:07,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162701705] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:07,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:07,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:30:07,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908991564] [2024-12-02 15:30:07,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:07,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:30:07,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:07,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:30:07,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:30:07,099 INFO L87 Difference]: Start difference. First operand 28951 states and 39255 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:30:08,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:08,219 INFO L93 Difference]: Finished difference Result 28957 states and 39260 transitions. [2024-12-02 15:30:08,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:30:08,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 244 [2024-12-02 15:30:08,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:08,286 INFO L225 Difference]: With dead ends: 28957 [2024-12-02 15:30:08,286 INFO L226 Difference]: Without dead ends: 28955 [2024-12-02 15:30:08,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:30:08,293 INFO L435 NwaCegarLoop]: 2870 mSDtfsCounter, 2799 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2800 SdHoareTripleChecker+Valid, 8592 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:08,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2800 Valid, 8592 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:30:08,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28955 states. [2024-12-02 15:30:09,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28955 to 28955. [2024-12-02 15:30:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28955 states, 20553 states have (on average 1.2672115992799105) internal successors, (26045), 20955 states have internal predecessors, (26045), 6591 states have call successors, (6591), 1817 states have call predecessors, (6591), 1808 states have return successors, (6622), 6444 states have call predecessors, (6622), 6588 states have call successors, (6622) [2024-12-02 15:30:09,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28955 states to 28955 states and 39258 transitions. [2024-12-02 15:30:09,411 INFO L78 Accepts]: Start accepts. Automaton has 28955 states and 39258 transitions. Word has length 244 [2024-12-02 15:30:09,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:09,411 INFO L471 AbstractCegarLoop]: Abstraction has 28955 states and 39258 transitions. [2024-12-02 15:30:09,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:30:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 28955 states and 39258 transitions. [2024-12-02 15:30:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-12-02 15:30:09,413 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:09,413 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:09,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:30:09,413 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:30:09,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:09,413 INFO L85 PathProgramCache]: Analyzing trace with hash 956926440, now seen corresponding path program 1 times [2024-12-02 15:30:09,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:09,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682265805] [2024-12-02 15:30:09,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:09,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:11,997 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2024-12-02 15:30:11,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:11,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682265805] [2024-12-02 15:30:11,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682265805] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:11,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:11,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:30:11,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469495354] [2024-12-02 15:30:11,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:11,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:30:11,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:11,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:30:11,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:30:11,999 INFO L87 Difference]: Start difference. First operand 28955 states and 39258 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:30:13,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:13,109 INFO L93 Difference]: Finished difference Result 28961 states and 39263 transitions. [2024-12-02 15:30:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:30:13,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 231 [2024-12-02 15:30:13,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:13,195 INFO L225 Difference]: With dead ends: 28961 [2024-12-02 15:30:13,196 INFO L226 Difference]: Without dead ends: 28959 [2024-12-02 15:30:13,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:30:13,212 INFO L435 NwaCegarLoop]: 2870 mSDtfsCounter, 2809 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2810 SdHoareTripleChecker+Valid, 8592 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:13,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2810 Valid, 8592 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:30:13,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28959 states. [2024-12-02 15:30:14,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28959 to 28959. [2024-12-02 15:30:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28959 states, 20556 states have (on average 1.2671726016734772) internal successors, (26048), 20958 states have internal predecessors, (26048), 6591 states have call successors, (6591), 1818 states have call predecessors, (6591), 1809 states have return successors, (6622), 6444 states have call predecessors, (6622), 6588 states have call successors, (6622) [2024-12-02 15:30:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28959 states to 28959 states and 39261 transitions. [2024-12-02 15:30:14,483 INFO L78 Accepts]: Start accepts. Automaton has 28959 states and 39261 transitions. Word has length 231 [2024-12-02 15:30:14,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:14,484 INFO L471 AbstractCegarLoop]: Abstraction has 28959 states and 39261 transitions. [2024-12-02 15:30:14,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:30:14,484 INFO L276 IsEmpty]: Start isEmpty. Operand 28959 states and 39261 transitions. [2024-12-02 15:30:14,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-12-02 15:30:14,485 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:14,486 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 11, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:14,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:30:14,486 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:30:14,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:14,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1658875793, now seen corresponding path program 1 times [2024-12-02 15:30:14,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:14,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755281792] [2024-12-02 15:30:14,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2024-12-02 15:30:17,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:17,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755281792] [2024-12-02 15:30:17,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755281792] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:17,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:17,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:30:17,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349583441] [2024-12-02 15:30:17,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:17,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:30:17,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:17,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:30:17,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:30:17,102 INFO L87 Difference]: Start difference. First operand 28959 states and 39261 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 15:30:18,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:18,650 INFO L93 Difference]: Finished difference Result 28965 states and 39266 transitions. [2024-12-02 15:30:18,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:30:18,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 254 [2024-12-02 15:30:18,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:18,738 INFO L225 Difference]: With dead ends: 28965 [2024-12-02 15:30:18,738 INFO L226 Difference]: Without dead ends: 28961 [2024-12-02 15:30:18,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:30:18,753 INFO L435 NwaCegarLoop]: 2870 mSDtfsCounter, 2797 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2798 SdHoareTripleChecker+Valid, 8592 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:18,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2798 Valid, 8592 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:30:18,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28961 states. [2024-12-02 15:30:20,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28961 to 28961. [2024-12-02 15:30:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28961 states, 20558 states have (on average 1.267097966728281) internal successors, (26049), 20959 states have internal predecessors, (26049), 6591 states have call successors, (6591), 1819 states have call predecessors, (6591), 1809 states have return successors, (6622), 6444 states have call predecessors, (6622), 6588 states have call successors, (6622) [2024-12-02 15:30:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28961 states to 28961 states and 39262 transitions. [2024-12-02 15:30:20,104 INFO L78 Accepts]: Start accepts. Automaton has 28961 states and 39262 transitions. Word has length 254 [2024-12-02 15:30:20,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:20,105 INFO L471 AbstractCegarLoop]: Abstraction has 28961 states and 39262 transitions. [2024-12-02 15:30:20,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 15:30:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 28961 states and 39262 transitions. [2024-12-02 15:30:20,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-12-02 15:30:20,107 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:20,107 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 12, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:20,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:30:20,107 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:30:20,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:20,107 INFO L85 PathProgramCache]: Analyzing trace with hash 621663656, now seen corresponding path program 1 times [2024-12-02 15:30:20,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:20,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679989426] [2024-12-02 15:30:20,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:20,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2024-12-02 15:30:22,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:22,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679989426] [2024-12-02 15:30:22,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679989426] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:22,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:22,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:30:22,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156296917] [2024-12-02 15:30:22,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:22,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:30:22,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:22,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:30:22,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:30:22,659 INFO L87 Difference]: Start difference. First operand 28961 states and 39262 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 15:30:23,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:23,939 INFO L93 Difference]: Finished difference Result 28961 states and 39262 transitions. [2024-12-02 15:30:23,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:30:23,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 241 [2024-12-02 15:30:23,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:24,010 INFO L225 Difference]: With dead ends: 28961 [2024-12-02 15:30:24,010 INFO L226 Difference]: Without dead ends: 28721 [2024-12-02 15:30:24,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:30:24,020 INFO L435 NwaCegarLoop]: 2868 mSDtfsCounter, 2804 mSDsluCounter, 5720 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 8588 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:24,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 8588 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:30:24,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28721 states. [2024-12-02 15:30:25,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28721 to 28721. [2024-12-02 15:30:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28721 states, 20404 states have (on average 1.266663399333464) internal successors, (25845), 20781 states have internal predecessors, (25845), 6522 states have call successors, (6522), 1801 states have call predecessors, (6522), 1793 states have return successors, (6556), 6400 states have call predecessors, (6556), 6522 states have call successors, (6556) [2024-12-02 15:30:25,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28721 states to 28721 states and 38923 transitions. [2024-12-02 15:30:25,463 INFO L78 Accepts]: Start accepts. Automaton has 28721 states and 38923 transitions. Word has length 241 [2024-12-02 15:30:25,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:25,463 INFO L471 AbstractCegarLoop]: Abstraction has 28721 states and 38923 transitions. [2024-12-02 15:30:25,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 15:30:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 28721 states and 38923 transitions. [2024-12-02 15:30:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-12-02 15:30:25,465 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:25,465 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 10, 10, 10, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:25,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:30:25,466 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:30:25,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:25,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1703439086, now seen corresponding path program 1 times [2024-12-02 15:30:25,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:25,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968990329] [2024-12-02 15:30:25,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:25,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2024-12-02 15:30:28,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:28,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968990329] [2024-12-02 15:30:28,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968990329] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:28,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:28,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:30:28,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190200418] [2024-12-02 15:30:28,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:28,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:30:28,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:28,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:30:28,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:30:28,107 INFO L87 Difference]: Start difference. First operand 28721 states and 38923 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 15:30:30,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:30,108 INFO L93 Difference]: Finished difference Result 66940 states and 90462 transitions. [2024-12-02 15:30:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:30:30,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 289 [2024-12-02 15:30:30,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:30,216 INFO L225 Difference]: With dead ends: 66940 [2024-12-02 15:30:30,216 INFO L226 Difference]: Without dead ends: 38301 [2024-12-02 15:30:30,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:30:30,276 INFO L435 NwaCegarLoop]: 3502 mSDtfsCounter, 2731 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 5554 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:30,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 5554 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:30:30,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38301 states. [2024-12-02 15:30:32,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38301 to 38293. [2024-12-02 15:30:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38293 states, 27168 states have (on average 1.263803003533569) internal successors, (34335), 27669 states have internal predecessors, (34335), 8628 states have call successors, (8628), 2511 states have call predecessors, (8628), 2495 states have return successors, (8662), 8468 states have call predecessors, (8662), 8628 states have call successors, (8662) [2024-12-02 15:30:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38293 states to 38293 states and 51625 transitions. [2024-12-02 15:30:32,189 INFO L78 Accepts]: Start accepts. Automaton has 38293 states and 51625 transitions. Word has length 289 [2024-12-02 15:30:32,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:32,190 INFO L471 AbstractCegarLoop]: Abstraction has 38293 states and 51625 transitions. [2024-12-02 15:30:32,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 15:30:32,190 INFO L276 IsEmpty]: Start isEmpty. Operand 38293 states and 51625 transitions. [2024-12-02 15:30:32,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-12-02 15:30:32,193 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:32,193 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 10, 10, 10, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:32,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:30:32,193 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:30:32,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:32,194 INFO L85 PathProgramCache]: Analyzing trace with hash 804288675, now seen corresponding path program 1 times [2024-12-02 15:30:32,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:32,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988313521] [2024-12-02 15:30:32,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:32,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2024-12-02 15:30:34,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:34,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988313521] [2024-12-02 15:30:34,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988313521] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:34,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:34,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:30:34,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438926482] [2024-12-02 15:30:34,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:34,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:30:34,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:34,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:30:34,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:30:34,613 INFO L87 Difference]: Start difference. First operand 38293 states and 51625 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 15:30:38,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:30:41,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:41,419 INFO L93 Difference]: Finished difference Result 82925 states and 111843 transitions. [2024-12-02 15:30:41,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:30:41,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 308 [2024-12-02 15:30:41,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:41,561 INFO L225 Difference]: With dead ends: 82925 [2024-12-02 15:30:41,561 INFO L226 Difference]: Without dead ends: 44655 [2024-12-02 15:30:41,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:30:41,651 INFO L435 NwaCegarLoop]: 4624 mSDtfsCounter, 1807 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 7385 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:41,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 7385 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 15:30:41,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44655 states. [2024-12-02 15:30:43,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44655 to 44647. [2024-12-02 15:30:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44647 states, 31789 states have (on average 1.2649973261190979) internal successors, (40213), 32366 states have internal predecessors, (40213), 9955 states have call successors, (9955), 2917 states have call predecessors, (9955), 2901 states have return successors, (9989), 9777 states have call predecessors, (9989), 9955 states have call successors, (9989) [2024-12-02 15:30:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44647 states to 44647 states and 60157 transitions. [2024-12-02 15:30:44,099 INFO L78 Accepts]: Start accepts. Automaton has 44647 states and 60157 transitions. Word has length 308 [2024-12-02 15:30:44,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:44,099 INFO L471 AbstractCegarLoop]: Abstraction has 44647 states and 60157 transitions. [2024-12-02 15:30:44,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 15:30:44,099 INFO L276 IsEmpty]: Start isEmpty. Operand 44647 states and 60157 transitions. [2024-12-02 15:30:44,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-12-02 15:30:44,102 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:44,102 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 10, 10, 10, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:44,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:30:44,102 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:30:44,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:44,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1529103963, now seen corresponding path program 1 times [2024-12-02 15:30:44,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:44,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378214320] [2024-12-02 15:30:44,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:44,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2024-12-02 15:30:46,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:46,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378214320] [2024-12-02 15:30:46,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378214320] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:46,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:46,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:30:46,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55195477] [2024-12-02 15:30:46,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:46,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:30:46,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:46,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:30:46,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:30:46,712 INFO L87 Difference]: Start difference. First operand 44647 states and 60157 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 15:30:50,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:30:53,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:53,747 INFO L93 Difference]: Finished difference Result 98630 states and 132982 transitions. [2024-12-02 15:30:53,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:30:53,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 308 [2024-12-02 15:30:53,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:53,917 INFO L225 Difference]: With dead ends: 98630 [2024-12-02 15:30:53,917 INFO L226 Difference]: Without dead ends: 54065 [2024-12-02 15:30:54,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:30:54,020 INFO L435 NwaCegarLoop]: 4750 mSDtfsCounter, 2261 mSDsluCounter, 2521 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2261 SdHoareTripleChecker+Valid, 7271 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:54,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2261 Valid, 7271 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 15:30:54,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54065 states. [2024-12-02 15:30:56,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54065 to 54057. [2024-12-02 15:30:56,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54057 states, 38405 states have (on average 1.2640020830621013) internal successors, (48544), 39094 states have internal predecessors, (48544), 12119 states have call successors, (12119), 3551 states have call predecessors, (12119), 3531 states have return successors, (12153), 11905 states have call predecessors, (12153), 12119 states have call successors, (12153) [2024-12-02 15:30:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54057 states to 54057 states and 72816 transitions. [2024-12-02 15:30:56,961 INFO L78 Accepts]: Start accepts. Automaton has 54057 states and 72816 transitions. Word has length 308 [2024-12-02 15:30:56,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:56,962 INFO L471 AbstractCegarLoop]: Abstraction has 54057 states and 72816 transitions. [2024-12-02 15:30:56,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 15:30:56,962 INFO L276 IsEmpty]: Start isEmpty. Operand 54057 states and 72816 transitions. [2024-12-02 15:30:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-12-02 15:30:56,965 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:56,966 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:56,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:30:56,966 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:30:56,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:56,966 INFO L85 PathProgramCache]: Analyzing trace with hash -661189867, now seen corresponding path program 1 times [2024-12-02 15:30:56,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:56,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031938358] [2024-12-02 15:30:56,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:56,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:00,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-12-02 15:31:00,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:00,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031938358] [2024-12-02 15:31:00,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031938358] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:00,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:00,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:31:00,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287423599] [2024-12-02 15:31:00,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:00,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:31:00,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:00,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:31:00,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:31:00,284 INFO L87 Difference]: Start difference. First operand 54057 states and 72816 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:31:04,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:31:08,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:31:08,443 INFO L93 Difference]: Finished difference Result 114434 states and 154216 transitions. [2024-12-02 15:31:08,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:31:08,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 367 [2024-12-02 15:31:08,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:31:08,647 INFO L225 Difference]: With dead ends: 114434 [2024-12-02 15:31:08,647 INFO L226 Difference]: Without dead ends: 60473 [2024-12-02 15:31:08,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:31:08,774 INFO L435 NwaCegarLoop]: 4306 mSDtfsCounter, 1807 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 7066 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:31:08,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 7066 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 15:31:08,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60473 states. [2024-12-02 15:31:11,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60473 to 60465. [2024-12-02 15:31:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60465 states, 43077 states have (on average 1.2648977412540334) internal successors, (54488), 43842 states have internal predecessors, (54488), 13451 states have call successors, (13451), 3955 states have call predecessors, (13451), 3935 states have return successors, (13485), 13219 states have call predecessors, (13485), 13451 states have call successors, (13485) [2024-12-02 15:31:11,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60465 states to 60465 states and 81424 transitions. [2024-12-02 15:31:12,021 INFO L78 Accepts]: Start accepts. Automaton has 60465 states and 81424 transitions. Word has length 367 [2024-12-02 15:31:12,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:12,022 INFO L471 AbstractCegarLoop]: Abstraction has 60465 states and 81424 transitions. [2024-12-02 15:31:12,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:31:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 60465 states and 81424 transitions. [2024-12-02 15:31:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-12-02 15:31:12,026 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:31:12,026 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:31:12,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:31:12,026 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:31:12,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:31:12,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1300384791, now seen corresponding path program 1 times [2024-12-02 15:31:12,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:31:12,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000863226] [2024-12-02 15:31:12,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:12,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-12-02 15:31:14,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:14,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000863226] [2024-12-02 15:31:14,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000863226] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:14,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:14,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:31:14,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688361332] [2024-12-02 15:31:14,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:14,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:31:14,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:14,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:31:14,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:31:14,537 INFO L87 Difference]: Start difference. First operand 60465 states and 81424 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:31:18,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:31:22,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:31:22,212 INFO L93 Difference]: Finished difference Result 127346 states and 171552 transitions. [2024-12-02 15:31:22,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:31:22,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 367 [2024-12-02 15:31:22,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:31:22,416 INFO L225 Difference]: With dead ends: 127346 [2024-12-02 15:31:22,416 INFO L226 Difference]: Without dead ends: 66977 [2024-12-02 15:31:22,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:31:22,530 INFO L435 NwaCegarLoop]: 4624 mSDtfsCounter, 1820 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 7385 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:31:22,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1820 Valid, 7385 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 15:31:22,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66977 states. [2024-12-02 15:31:25,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66977 to 66969. [2024-12-02 15:31:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66969 states, 47829 states have (on average 1.2655083735808819) internal successors, (60528), 48670 states have internal predecessors, (60528), 14791 states have call successors, (14791), 4367 states have call predecessors, (14791), 4347 states have return successors, (14825), 14541 states have call predecessors, (14825), 14791 states have call successors, (14825) [2024-12-02 15:31:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66969 states to 66969 states and 90144 transitions. [2024-12-02 15:31:26,019 INFO L78 Accepts]: Start accepts. Automaton has 66969 states and 90144 transitions. Word has length 367 [2024-12-02 15:31:26,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:26,020 INFO L471 AbstractCegarLoop]: Abstraction has 66969 states and 90144 transitions. [2024-12-02 15:31:26,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:31:26,020 INFO L276 IsEmpty]: Start isEmpty. Operand 66969 states and 90144 transitions. [2024-12-02 15:31:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-12-02 15:31:26,024 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:31:26,024 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:31:26,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:31:26,024 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:31:26,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:31:26,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1542057024, now seen corresponding path program 1 times [2024-12-02 15:31:26,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:31:26,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887030248] [2024-12-02 15:31:26,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:26,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2024-12-02 15:31:28,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:28,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887030248] [2024-12-02 15:31:28,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887030248] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:28,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:28,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:31:28,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803046567] [2024-12-02 15:31:28,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:28,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:31:28,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:28,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:31:28,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:31:28,938 INFO L87 Difference]: Start difference. First operand 66969 states and 90144 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 15:31:32,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:31:32,133 INFO L93 Difference]: Finished difference Result 66969 states and 90144 transitions. [2024-12-02 15:31:32,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:31:32,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 389 [2024-12-02 15:31:32,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:31:32,337 INFO L225 Difference]: With dead ends: 66969 [2024-12-02 15:31:32,337 INFO L226 Difference]: Without dead ends: 66967 [2024-12-02 15:31:32,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:31:32,358 INFO L435 NwaCegarLoop]: 2850 mSDtfsCounter, 1558 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 9932 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:31:32,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1559 Valid, 9932 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:31:32,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66967 states. [2024-12-02 15:31:36,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66967 to 66967. [2024-12-02 15:31:36,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66967 states, 47828 states have (on average 1.2643848791502885) internal successors, (60473), 48668 states have internal predecessors, (60473), 14791 states have call successors, (14791), 4367 states have call predecessors, (14791), 4347 states have return successors, (14825), 14541 states have call predecessors, (14825), 14791 states have call successors, (14825) [2024-12-02 15:31:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66967 states to 66967 states and 90089 transitions. [2024-12-02 15:31:37,100 INFO L78 Accepts]: Start accepts. Automaton has 66967 states and 90089 transitions. Word has length 389 [2024-12-02 15:31:37,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:37,101 INFO L471 AbstractCegarLoop]: Abstraction has 66967 states and 90089 transitions. [2024-12-02 15:31:37,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 15:31:37,101 INFO L276 IsEmpty]: Start isEmpty. Operand 66967 states and 90089 transitions. [2024-12-02 15:31:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2024-12-02 15:31:37,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:31:37,110 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:31:37,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:31:37,110 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:31:37,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:31:37,110 INFO L85 PathProgramCache]: Analyzing trace with hash 275908095, now seen corresponding path program 1 times [2024-12-02 15:31:37,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:31:37,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398000328] [2024-12-02 15:31:37,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:37,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2024-12-02 15:31:39,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:39,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398000328] [2024-12-02 15:31:39,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398000328] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:39,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:39,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:31:39,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070092764] [2024-12-02 15:31:39,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:39,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:31:39,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:39,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:31:39,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:31:39,874 INFO L87 Difference]: Start difference. First operand 66967 states and 90089 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 15:31:43,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:31:47,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:31:47,296 INFO L93 Difference]: Finished difference Result 66967 states and 90089 transitions. [2024-12-02 15:31:47,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:31:47,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 450 [2024-12-02 15:31:47,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:31:47,354 INFO L225 Difference]: With dead ends: 66967 [2024-12-02 15:31:47,354 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 15:31:47,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:31:47,468 INFO L435 NwaCegarLoop]: 3027 mSDtfsCounter, 1374 mSDsluCounter, 7723 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 10750 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:31:47,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 10750 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 15:31:47,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 15:31:47,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 15:31:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:31:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 15:31:47,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 450 [2024-12-02 15:31:47,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:47,512 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 15:31:47,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 15:31:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 15:31:47,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 15:31:47,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-02 15:31:47,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-12-02 15:31:47,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-12-02 15:31:47,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 15:31:47,525 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:31:47,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 15:32:51,598 WARN L286 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 292 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:33:13,745 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 208 DAG size of output: 33 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:33:59,416 WARN L286 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 368 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:34:10,532 WARN L286 SmtUtils]: Spent 7.53s on a formula simplification. DAG size of input: 338 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:34:30,343 WARN L286 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 196 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:35:30,340 WARN L286 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 196 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:35:58,618 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification. DAG size of input: 224 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:36:06,488 WARN L286 SmtUtils]: Spent 7.85s on a formula simplification. DAG size of input: 328 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:36:57,989 WARN L286 SmtUtils]: Spent 7.79s on a formula simplification. DAG size of input: 328 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:37:07,154 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification. DAG size of input: 338 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:37:12,787 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 208 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:37:28,001 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 196 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:37:42,985 WARN L286 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 308 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:38:27,604 WARN L286 SmtUtils]: Spent 7.42s on a formula simplification. DAG size of input: 292 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:38:34,736 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification. DAG size of input: 224 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:39:14,648 WARN L286 SmtUtils]: Spent 10.62s on a formula simplification. DAG size of input: 458 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:39:43,566 WARN L286 SmtUtils]: Spent 14.67s on a formula simplification. DAG size of input: 495 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:40:16,197 WARN L286 SmtUtils]: Spent 7.66s on a formula simplification. DAG size of input: 328 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:40:35,956 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 208 DAG size of output: 33 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:41:12,439 WARN L286 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 196 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:41:39,593 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 232 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 15:42:02,475 WARN L286 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 238 DAG size of output: 33 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)